Changeset 97 in default for v2/trunk

Timestamp:

10/12/16 14:35:14 (8 years ago)

Author:

phdmakk

Message:

+ generated resources

Location:

v2/trunk/de.ugoe.cs.swe.bnftools.ebnf.ui

Files:

• plugin.xml_gen (modified) (1 diff)
• src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/AbstractEbnfProposalProvider.java (modified) (2 diffs)
• src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/EbnfParser.java (modified) (3 diffs)
• src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g (modified) (5 diffs)
• src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.tokens (modified) (4 diffs)
• src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnfLexer.java (modified) (57 diffs)
• src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnfParser.java (modified) (278 diffs)

v2/trunk/de.ugoe.cs.swe.bnftools.ebnf.ui/plugin.xml_gen

@@ -251 +251 @@
          point="org.eclipse.xtext.builder.participant">
       <participant
-            class="de.ugoe.cs.swe.bnftools.ui.EbnfExecutableExtensionFactory:org.eclipse.xtext.builder.IXtextBuilderParticipant">
+            class="de.ugoe.cs.swe.bnftools.ui.EbnfExecutableExtensionFactory:org.eclipse.xtext.builder.IXtextBuilderParticipant"
+            fileExtensions="bnf"
+            >
       </participant>
    </extension>

v2/trunk/de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/AbstractEbnfProposalProvider.java

@@ -167 +167 @@
                 // subclasses may override
         }
+        public void completeRepeatedSequence_Range(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+                completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+        }
+        public void completeRepeatRange_From(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+                completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+        }
+        public void completeRepeatRange_To(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+                completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+        }
     
         public void complete_EtsiBnf(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
@@ -234 +243 @@
                 // subclasses may override
         }
+        public void complete_RepeatRange(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+                // subclasses may override
+        }
         public void complete_ID(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
                 // subclasses may override

v2/trunk/de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/EbnfParser.java

@@ -48 +48 @@
                                         put(grammarAccess.getAtomAccess().getAlternatives(), "rule__Atom__Alternatives");
                                         put(grammarAccess.getStringRuleAccess().getAlternatives(), "rule__StringRule__Alternatives");
+                                        put(grammarAccess.getRepeatedSequenceAccess().getAlternatives_3(), "rule__RepeatedSequence__Alternatives_3");
                                         put(grammarAccess.getEtsiBnfAccess().getGroup_0(), "rule__EtsiBnf__Group_0__0");
                                         put(grammarAccess.getEtsiBnfAccess().getGroup_0_2(), "rule__EtsiBnf__Group_0_2__0");
@@ -73 +74 @@
                                         put(grammarAccess.getOptionalSequenceAccess().getGroup(), "rule__OptionalSequence__Group__0");
                                         put(grammarAccess.getRepeatedSequenceAccess().getGroup(), "rule__RepeatedSequence__Group__0");
+                                        put(grammarAccess.getRepeatRangeAccess().getGroup(), "rule__RepeatRange__Group__0");
                                         put(grammarAccess.getEtsiBnfAccess().getNameAssignment_0_1(), "rule__EtsiBnf__NameAssignment_0_1");
                                         put(grammarAccess.getEtsiBnfAccess().getTypeAssignment_0_2_0(), "rule__EtsiBnf__TypeAssignment_0_2_0");
@@ -129 +131 @@
                                         put(grammarAccess.getOptionalSequenceAccess().getDefinitionListAssignment_1(), "rule__OptionalSequence__DefinitionListAssignment_1");
                                         put(grammarAccess.getRepeatedSequenceAccess().getDefinitionsAssignment_1(), "rule__RepeatedSequence__DefinitionsAssignment_1");
-                                        put(grammarAccess.getRepeatedSequenceAccess().getMorethanonceAssignment_3(), "rule__RepeatedSequence__MorethanonceAssignment_3");
+                                        put(grammarAccess.getRepeatedSequenceAccess().getMorethanonceAssignment_3_0(), "rule__RepeatedSequence__MorethanonceAssignment_3_0");
+                                        put(grammarAccess.getRepeatedSequenceAccess().getRangeAssignment_3_1(), "rule__RepeatedSequence__RangeAssignment_3_1");
+                                        put(grammarAccess.getRepeatRangeAccess().getFromAssignment_2(), "rule__RepeatRange__FromAssignment_2");
+                                        put(grammarAccess.getRepeatRangeAccess().getToAssignment_4(), "rule__RepeatRange__ToAssignment_4");
                                 }
                         };

v2/trunk/de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g

@@ -6 +6 @@
 options {
         superClass=AbstractInternalContentAssistParser;
+        backtrack=true;
+         memoize=true;
         
 }
@@ -687 +689 @@
 
 
+// Entry rule entryRuleRepeatRange
+entryRuleRepeatRange 
+:
+{ before(grammarAccess.getRepeatRangeRule()); }
+         ruleRepeatRange
+{ after(grammarAccess.getRepeatRangeRule()); } 
+         EOF 
+;
+
+// Rule RepeatRange
+ruleRepeatRange
+    @init {
+                int stackSize = keepStackSize();
+    }
+        :
+(
+{ before(grammarAccess.getRepeatRangeAccess().getGroup()); }
+(rule__RepeatRange__Group__0)
+{ after(grammarAccess.getRepeatRangeAccess().getGroup()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+
+
 
 rule__EtsiBnf__Alternatives
@@ -1010 +1040 @@
 }
 
+rule__RepeatedSequence__Alternatives_3
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatedSequenceAccess().getMorethanonceAssignment_3_0()); }
+(rule__RepeatedSequence__MorethanonceAssignment_3_0)?
+{ after(grammarAccess.getRepeatedSequenceAccess().getMorethanonceAssignment_3_0()); }
+)
+
+    |(
+{ before(grammarAccess.getRepeatedSequenceAccess().getRangeAssignment_3_1()); }
+(rule__RepeatedSequence__RangeAssignment_3_1)?
+{ after(grammarAccess.getRepeatedSequenceAccess().getRangeAssignment_3_1()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
 
 
@@ -3757 +3809 @@
 :
 (
-{ before(grammarAccess.getRepeatedSequenceAccess().getMorethanonceAssignment_3()); }
-(rule__RepeatedSequence__MorethanonceAssignment_3)?
-{ after(grammarAccess.getRepeatedSequenceAccess().getMorethanonceAssignment_3()); }
-)
-
-;
-finally {
-        restoreStackSize(stackSize);
-}
+{ before(grammarAccess.getRepeatedSequenceAccess().getAlternatives_3()); }
+(rule__RepeatedSequence__Alternatives_3)
+{ after(grammarAccess.getRepeatedSequenceAccess().getAlternatives_3()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+
+
+rule__RepeatRange__Group__0
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+        rule__RepeatRange__Group__0__Impl
+        rule__RepeatRange__Group__1
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+rule__RepeatRange__Group__0__Impl
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatRangeAccess().getNumberSignKeyword_0()); }
+
+        '#' 
+
+{ after(grammarAccess.getRepeatRangeAccess().getNumberSignKeyword_0()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+
+rule__RepeatRange__Group__1
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+        rule__RepeatRange__Group__1__Impl
+        rule__RepeatRange__Group__2
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+rule__RepeatRange__Group__1__Impl
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatRangeAccess().getLeftParenthesisKeyword_1()); }
+
+        '(' 
+
+{ after(grammarAccess.getRepeatRangeAccess().getLeftParenthesisKeyword_1()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+
+rule__RepeatRange__Group__2
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+        rule__RepeatRange__Group__2__Impl
+        rule__RepeatRange__Group__3
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+rule__RepeatRange__Group__2__Impl
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatRangeAccess().getFromAssignment_2()); }
+(rule__RepeatRange__FromAssignment_2)
+{ after(grammarAccess.getRepeatRangeAccess().getFromAssignment_2()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+
+rule__RepeatRange__Group__3
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+        rule__RepeatRange__Group__3__Impl
+        rule__RepeatRange__Group__4
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+rule__RepeatRange__Group__3__Impl
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatRangeAccess().getCommaKeyword_3()); }
+
+        ',' 
+
+{ after(grammarAccess.getRepeatRangeAccess().getCommaKeyword_3()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+
+rule__RepeatRange__Group__4
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+        rule__RepeatRange__Group__4__Impl
+        rule__RepeatRange__Group__5
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+rule__RepeatRange__Group__4__Impl
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatRangeAccess().getToAssignment_4()); }
+(rule__RepeatRange__ToAssignment_4)
+{ after(grammarAccess.getRepeatRangeAccess().getToAssignment_4()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+
+rule__RepeatRange__Group__5
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+        rule__RepeatRange__Group__5__Impl
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+rule__RepeatRange__Group__5__Impl
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatRangeAccess().getRightParenthesisKeyword_5()); }
+
+        ')' 
+
+{ after(grammarAccess.getRepeatRangeAccess().getRightParenthesisKeyword_5()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+
+
+
 
 
@@ -4669 +4914 @@
 }
 
-rule__RepeatedSequence__MorethanonceAssignment_3
-    @init {
-                int stackSize = keepStackSize();
-    }
-:
-(
-{ before(grammarAccess.getRepeatedSequenceAccess().getMorethanoncePlusSignKeyword_3_0()); }
-(
-{ before(grammarAccess.getRepeatedSequenceAccess().getMorethanoncePlusSignKeyword_3_0()); }
+rule__RepeatedSequence__MorethanonceAssignment_3_0
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatedSequenceAccess().getMorethanoncePlusSignKeyword_3_0_0()); }
+(
+{ before(grammarAccess.getRepeatedSequenceAccess().getMorethanoncePlusSignKeyword_3_0_0()); }
 
         '+' 
 
-{ after(grammarAccess.getRepeatedSequenceAccess().getMorethanoncePlusSignKeyword_3_0()); }
-)
-
-{ after(grammarAccess.getRepeatedSequenceAccess().getMorethanoncePlusSignKeyword_3_0()); }
+{ after(grammarAccess.getRepeatedSequenceAccess().getMorethanoncePlusSignKeyword_3_0_0()); }
+)
+
+{ after(grammarAccess.getRepeatedSequenceAccess().getMorethanoncePlusSignKeyword_3_0_0()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+rule__RepeatedSequence__RangeAssignment_3_1
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatedSequenceAccess().getRangeRepeatRangeParserRuleCall_3_1_0()); }
+        ruleRepeatRange{ after(grammarAccess.getRepeatedSequenceAccess().getRangeRepeatRangeParserRuleCall_3_1_0()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+rule__RepeatRange__FromAssignment_2
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatRangeAccess().getFromINTTerminalRuleCall_2_0()); }
+        RULE_INT{ after(grammarAccess.getRepeatRangeAccess().getFromINTTerminalRuleCall_2_0()); }
+)
+
+;
+finally {
+        restoreStackSize(stackSize);
+}
+
+rule__RepeatRange__ToAssignment_4
+    @init {
+                int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getRepeatRangeAccess().getToINTTerminalRuleCall_4_0()); }
+        RULE_INT{ after(grammarAccess.getRepeatRangeAccess().getToINTTerminalRuleCall_4_0()); }
 )
 

v2/trunk/de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.tokens

@@ -1 +1 @@
 RULE_ID=4
+T__40=40
 RULE_SECTIONHEADER=5
+T__41=41
 T__29=29
 T__28=28
@@ -35 +37 @@
 RULE_INT=7
 RULE_WS=10
-'update'=39
+'update'=41
 '|'=16
 '::='=27
+'#'=34
 '/'=25
 ';'=23
 'grammar'=22
 'global'=30
-'core'=37
+'core'=39
 '+'=21
 ')'=13
@@ -51 +54 @@
 '}'=15
 'rule'=32
-'/delta'=35
-'/bnf'=34
-'/merge'=36
+'/delta'=37
+'/merge'=38
+'/bnf'=36
 '{'=19
-'package'=38
+'package'=40
 'label:'=26
 'combinator:'=31
@@ -61 +64 @@
 '*'=20
 '['=18
+','=35
 ']'=14

v2/trunk/de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnfLexer.java

@@ -13 +13 @@
 @SuppressWarnings("all")
 public class InternalEbnfLexer extends Lexer {
+    public static final int T__40=40;
     public static final int RULE_ID=4;
     public static final int RULE_SECTIONHEADER=5;
+    public static final int T__41=41;
     public static final int T__29=29;
     public static final int T__28=28;
@@ -498 +500 @@
             int _type = T__34;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:32:7: ( '/bnf' )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:32:9: '/bnf'
-            {
-            match("/bnf"); 
-
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:32:7: ( '#' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:32:9: '#'
+            {
+            match('#'); 
 
             }
@@ -519 +520 @@
             int _type = T__35;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:33:7: ( '/delta' )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:33:9: '/delta'
-            {
-            match("/delta"); 
-
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:33:7: ( ',' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:33:9: ','
+            {
+            match(','); 
 
             }
@@ -540 +540 @@
             int _type = T__36;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:34:7: ( '/merge' )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:34:9: '/merge'
-            {
-            match("/merge"); 
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:34:7: ( '/bnf' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:34:9: '/bnf'
+            {
+            match("/bnf"); 
 
 
@@ -561 +561 @@
             int _type = T__37;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:35:7: ( 'core' )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:35:9: 'core'
-            {
-            match("core"); 
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:35:7: ( '/delta' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:35:9: '/delta'
+            {
+            match("/delta"); 
 
 
@@ -582 +582 @@
             int _type = T__38;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:36:7: ( 'package' )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:36:9: 'package'
-            {
-            match("package"); 
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:36:7: ( '/merge' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:36:9: '/merge'
+            {
+            match("/merge"); 
 
 
@@ -603 +603 @@
             int _type = T__39;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:37:7: ( 'update' )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:37:9: 'update'
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:37:7: ( 'core' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:37:9: 'core'
+            {
+            match("core"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__39"
+
+    // $ANTLR start "T__40"
+    public final void mT__40() throws RecognitionException {
+        try {
+            int _type = T__40;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:38:7: ( 'package' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:38:9: 'package'
+            {
+            match("package"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__40"
+
+    // $ANTLR start "T__41"
+    public final void mT__41() throws RecognitionException {
+        try {
+            int _type = T__41;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:39:7: ( 'update' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:39:9: 'update'
             {
             match("update"); 
@@ -617 +659 @@
         }
     }
-    // $ANTLR end "T__39"
+    // $ANTLR end "T__41"
 
     // $ANTLR start "RULE_ID"
@@ -624 +666 @@
             int _type = RULE_ID;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4695:9: ( ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' )* )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4695:11: ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' )*
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4985:9: ( ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' )* )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4985:11: ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' )*
             {
             if ( (input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
@@ -636 +678 @@
                 throw mse;}
 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4695:35: ( 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' )*
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4985:35: ( 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' )*
             loop1:
             do {
@@ -685 +727 @@
             int _type = RULE_INT;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4697:10: ( ( '0' .. '9' )+ )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4697:12: ( '0' .. '9' )+
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4697:12: ( '0' .. '9' )+
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4987:10: ( ( '0' .. '9' )+ )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4987:12: ( '0' .. '9' )+
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4987:12: ( '0' .. '9' )+
             int cnt2=0;
             loop2:
@@ -702 +744 @@
                 switch (alt2) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4697:13: '0' .. '9'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4987:13: '0' .. '9'
                     {
                     matchRange('0','9'); 
@@ -734 +776 @@
             int _type = RULE_WS;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4699:9: ( ( ' ' | '\\t' | ( '\\r' )? '\\n' )+ )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4699:11: ( ' ' | '\\t' | ( '\\r' )? '\\n' )+
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4699:11: ( ' ' | '\\t' | ( '\\r' )? '\\n' )+
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4989:9: ( ( ' ' | '\\t' | ( '\\r' )? '\\n' )+ )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4989:11: ( ' ' | '\\t' | ( '\\r' )? '\\n' )+
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4989:11: ( ' ' | '\\t' | ( '\\r' )? '\\n' )+
             int cnt4=0;
             loop4:
@@ -764 +806 @@
                 switch (alt4) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4699:12: ' '
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4989:12: ' '
                     {
                     match(' '); 
@@ -771 +813 @@
                     break;
                 case 2 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4699:16: '\\t'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4989:16: '\\t'
                     {
                     match('\t'); 
@@ -778 +820 @@
                     break;
                 case 3 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4699:21: ( '\\r' )? '\\n'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4989:21: ( '\\r' )? '\\n'
                     {
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4699:21: ( '\\r' )?
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4989:21: ( '\\r' )?
                     int alt3=2;
                     int LA3_0 = input.LA(1);
@@ -789 +831 @@
                     switch (alt3) {
                         case 1 :
-                            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4699:21: '\\r'
+                            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4989:21: '\\r'
                             {
                             match('\r'); 
@@ -828 +870 @@
             int _type = RULE_COLON;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4701:12: ( '\"' '\"' '\"' )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4701:14: '\"' '\"' '\"'
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4991:12: ( '\"' '\"' '\"' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4991:14: '\"' '\"' '\"'
             {
             match('\"'); 
@@ -850 +892 @@
             int _type = RULE_STRING;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4703:13: ( ( '\"' (~ ( '\"' ) )* '\"' | '\\'' (~ ( '\\'' ) )* '\\'' ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4703:15: ( '\"' (~ ( '\"' ) )* '\"' | '\\'' (~ ( '\\'' ) )* '\\'' )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4703:15: ( '\"' (~ ( '\"' ) )* '\"' | '\\'' (~ ( '\\'' ) )* '\\'' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4993:13: ( ( '\"' (~ ( '\"' ) )* '\"' | '\\'' (~ ( '\\'' ) )* '\\'' ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4993:15: ( '\"' (~ ( '\"' ) )* '\"' | '\\'' (~ ( '\\'' ) )* '\\'' )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4993:15: ( '\"' (~ ( '\"' ) )* '\"' | '\\'' (~ ( '\\'' ) )* '\\'' )
             int alt7=2;
             int LA7_0 = input.LA(1);
@@ -871 +913 @@
             switch (alt7) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4703:16: '\"' (~ ( '\"' ) )* '\"'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4993:16: '\"' (~ ( '\"' ) )* '\"'
                     {
                     match('\"'); 
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4703:20: (~ ( '\"' ) )*
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4993:20: (~ ( '\"' ) )*
                     loop5:
                     do {
@@ -887 +929 @@
                         switch (alt5) {
                         case 1 :
-                            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4703:20: ~ ( '\"' )
+                            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4993:20: ~ ( '\"' )
                             {
                             if ( (input.LA(1)>='\u0000' && input.LA(1)<='!')||(input.LA(1)>='#' && input.LA(1)<='\uFFFF') ) {
@@ -912 +954 @@
                     break;
                 case 2 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4703:32: '\\'' (~ ( '\\'' ) )* '\\''
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4993:32: '\\'' (~ ( '\\'' ) )* '\\''
                     {
                     match('\''); 
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4703:37: (~ ( '\\'' ) )*
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4993:37: (~ ( '\\'' ) )*
                     loop6:
                     do {
@@ -928 +970 @@
                         switch (alt6) {
                         case 1 :
-                            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4703:37: ~ ( '\\'' )
+                            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4993:37: ~ ( '\\'' )
                             {
                             if ( (input.LA(1)>='\u0000' && input.LA(1)<='&')||(input.LA(1)>='(' && input.LA(1)<='\uFFFF') ) {
@@ -971 +1013 @@
             int _type = RULE_SECTIONHEADER;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4705:20: ( ( 'a' .. 'z' | 'A' .. 'Z' ) ( '.' | '0' .. '9' )+ ( ' ' | '\\t' ) (~ ( ( '\\n' | '\\r' ) ) )* ( '\\r' )? '\\n' )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4705:22: ( 'a' .. 'z' | 'A' .. 'Z' ) ( '.' | '0' .. '9' )+ ( ' ' | '\\t' ) (~ ( ( '\\n' | '\\r' ) ) )* ( '\\r' )? '\\n'
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4995:20: ( ( 'a' .. 'z' | 'A' .. 'Z' ) ( '.' | '0' .. '9' )+ ( ' ' | '\\t' ) (~ ( ( '\\n' | '\\r' ) ) )* ( '\\r' )? '\\n' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4995:22: ( 'a' .. 'z' | 'A' .. 'Z' ) ( '.' | '0' .. '9' )+ ( ' ' | '\\t' ) (~ ( ( '\\n' | '\\r' ) ) )* ( '\\r' )? '\\n'
             {
             if ( (input.LA(1)>='A' && input.LA(1)<='Z')||(input.LA(1)>='a' && input.LA(1)<='z') ) {
@@ -983 +1025 @@
                 throw mse;}
 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4705:42: ( '.' | '0' .. '9' )+
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4995:42: ( '.' | '0' .. '9' )+
             int cnt8=0;
             loop8:
@@ -1030 +1072 @@
                 throw mse;}
 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4705:69: (~ ( ( '\\n' | '\\r' ) ) )*
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4995:69: (~ ( ( '\\n' | '\\r' ) ) )*
             loop9:
             do {
@@ -1043 +1085 @@
                 switch (alt9) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4705:69: ~ ( ( '\\n' | '\\r' ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4995:69: ~ ( ( '\\n' | '\\r' ) )
                     {
                     if ( (input.LA(1)>='\u0000' && input.LA(1)<='\t')||(input.LA(1)>='\u000B' && input.LA(1)<='\f')||(input.LA(1)>='\u000E' && input.LA(1)<='\uFFFF') ) {
@@ -1063 +1105 @@
             } while (true);
 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4705:85: ( '\\r' )?
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4995:85: ( '\\r' )?
             int alt10=2;
             int LA10_0 = input.LA(1);
@@ -1072 +1114 @@
             switch (alt10) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4705:85: '\\r'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4995:85: '\\r'
                     {
                     match('\r'); 
@@ -1098 +1140 @@
             int _type = RULE_SL_COMMENT;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4707:17: ( '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )? )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4707:19: '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )?
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4997:17: ( '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )? )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4997:19: '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )?
             {
             match("//"); 
 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4707:24: (~ ( ( '\\n' | '\\r' ) ) )*
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4997:24: (~ ( ( '\\n' | '\\r' ) ) )*
             loop11:
             do {
@@ -1116 +1158 @@
                 switch (alt11) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4707:24: ~ ( ( '\\n' | '\\r' ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4997:24: ~ ( ( '\\n' | '\\r' ) )
                     {
                     if ( (input.LA(1)>='\u0000' && input.LA(1)<='\t')||(input.LA(1)>='\u000B' && input.LA(1)<='\f')||(input.LA(1)>='\u000E' && input.LA(1)<='\uFFFF') ) {
@@ -1136 +1178 @@
             } while (true);
 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4707:40: ( ( '\\r' )? '\\n' )?
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4997:40: ( ( '\\r' )? '\\n' )?
             int alt13=2;
             int LA13_0 = input.LA(1);
@@ -1145 +1187 @@
             switch (alt13) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4707:41: ( '\\r' )? '\\n'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4997:41: ( '\\r' )? '\\n'
                     {
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4707:41: ( '\\r' )?
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4997:41: ( '\\r' )?
                     int alt12=2;
                     int LA12_0 = input.LA(1);
@@ -1156 +1198 @@
                     switch (alt12) {
                         case 1 :
-                            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4707:41: '\\r'
+                            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4997:41: '\\r'
                             {
                             match('\r'); 
@@ -1188 +1230 @@
             int _type = RULE_ML_COMMENT;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4709:17: ( '/*' ( options {greedy=false; } : . )* '*/' )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4709:19: '/*' ( options {greedy=false; } : . )* '*/'
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4999:17: ( '/*' ( options {greedy=false; } : . )* '*/' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4999:19: '/*' ( options {greedy=false; } : . )* '*/'
             {
             match("/*"); 
 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4709:24: ( options {greedy=false; } : . )*
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4999:24: ( options {greedy=false; } : . )*
             loop14:
             do {
@@ -1218 +1260 @@
                 switch (alt14) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4709:52: .
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4999:52: .
                     {
                     matchAny(); 
@@ -1248 +1290 @@
             int _type = RULE_LOGIC;
             int _channel = DEFAULT_TOKEN_CHANNEL;
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4711:12: ( ( '/and' | '/or' | '/andr' | '/orr' | '/any' | '/together' ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4711:14: ( '/and' | '/or' | '/andr' | '/orr' | '/any' | '/together' )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4711:14: ( '/and' | '/or' | '/andr' | '/orr' | '/any' | '/together' )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:5001:12: ( ( '/and' | '/or' | '/andr' | '/orr' | '/any' | '/together' ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:5001:14: ( '/and' | '/or' | '/andr' | '/orr' | '/any' | '/together' )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:5001:14: ( '/and' | '/or' | '/andr' | '/orr' | '/any' | '/together' )
             int alt15=6;
             alt15 = dfa15.predict(input);
             switch (alt15) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4711:15: '/and'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:5001:15: '/and'
                     {
                     match("/and"); 
@@ -1264 +1306 @@
                     break;
                 case 2 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4711:22: '/or'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:5001:22: '/or'
                     {
                     match("/or"); 
@@ -1272 +1314 @@
                     break;
                 case 3 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4711:28: '/andr'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:5001:28: '/andr'
                     {
                     match("/andr"); 
@@ -1280 +1322 @@
                     break;
                 case 4 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4711:36: '/orr'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:5001:36: '/orr'
                     {
                     match("/orr"); 
@@ -1288 +1330 @@
                     break;
                 case 5 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4711:43: '/any'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:5001:43: '/any'
                     {
                     match("/any"); 
@@ -1296 +1338 @@
                     break;
                 case 6 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:4711:50: '/together'
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:5001:50: '/together'
                     {
                     match("/together"); 
@@ -1318 +1360 @@
 
     public void mTokens() throws RecognitionException {
-        // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:8: ( T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | T__20 | T__21 | T__22 | T__23 | T__24 | T__25 | T__26 | T__27 | T__28 | T__29 | T__30 | T__31 | T__32 | T__33 | T__34 | T__35 | T__36 | T__37 | T__38 | T__39 | RULE_ID | RULE_INT | RULE_WS | RULE_COLON | RULE_STRING | RULE_SECTIONHEADER | RULE_SL_COMMENT | RULE_ML_COMMENT | RULE_LOGIC )
-        int alt16=36;
+        // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:8: ( T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | T__20 | T__21 | T__22 | T__23 | T__24 | T__25 | T__26 | T__27 | T__28 | T__29 | T__30 | T__31 | T__32 | T__33 | T__34 | T__35 | T__36 | T__37 | T__38 | T__39 | T__40 | T__41 | RULE_ID | RULE_INT | RULE_WS | RULE_COLON | RULE_STRING | RULE_SECTIONHEADER | RULE_SL_COMMENT | RULE_ML_COMMENT | RULE_LOGIC )
+        int alt16=38;
         alt16 = dfa16.predict(input);
         switch (alt16) {
@@ -1512 +1554 @@
                 break;
             case 28 :
-                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:172: RULE_ID
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:172: T__40
+                {
+                mT__40(); 
+
+                }
+                break;
+            case 29 :
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:178: T__41
+                {
+                mT__41(); 
+
+                }
+                break;
+            case 30 :
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:184: RULE_ID
                 {
                 mRULE_ID(); 
@@ -1518 +1574 @@
                 }
                 break;
-            case 29 :
-                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:180: RULE_INT
+            case 31 :
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:192: RULE_INT
                 {
                 mRULE_INT(); 
@@ -1525 +1581 @@
                 }
                 break;
-            case 30 :
-                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:189: RULE_WS
+            case 32 :
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:201: RULE_WS
                 {
                 mRULE_WS(); 
@@ -1532 +1588 @@
                 }
                 break;
-            case 31 :
-                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:197: RULE_COLON
+            case 33 :
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:209: RULE_COLON
                 {
                 mRULE_COLON(); 
@@ -1539 +1595 @@
                 }
                 break;
-            case 32 :
-                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:208: RULE_STRING
+            case 34 :
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:220: RULE_STRING
                 {
                 mRULE_STRING(); 
@@ -1546 +1602 @@
                 }
                 break;
-            case 33 :
-                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:220: RULE_SECTIONHEADER
+            case 35 :
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:232: RULE_SECTIONHEADER
                 {
                 mRULE_SECTIONHEADER(); 
@@ -1553 +1609 @@
                 }
                 break;
-            case 34 :
-                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:239: RULE_SL_COMMENT
+            case 36 :
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:251: RULE_SL_COMMENT
                 {
                 mRULE_SL_COMMENT(); 
@@ -1560 +1616 @@
                 }
                 break;
-            case 35 :
-                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:255: RULE_ML_COMMENT
+            case 37 :
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:267: RULE_ML_COMMENT
                 {
                 mRULE_ML_COMMENT(); 
@@ -1567 +1623 @@
                 }
                 break;
-            case 36 :
-                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:271: RULE_LOGIC
+            case 38 :
+                // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:1:283: RULE_LOGIC
                 {
                 mRULE_LOGIC(); 
@@ -1640 +1696 @@
         }
         public String getDescription() {
-            return "4711:14: ( '/and' | '/or' | '/andr' | '/orr' | '/any' | '/together' )";
+            return "5001:14: ( '/and' | '/or' | '/andr' | '/orr' | '/any' | '/together' )";
         }
     }
     static final String DFA16_eotS =
-        "\12\uffff\1\34\1\uffff\1\34\1\50\1\34\3\uffff\6\34\5\uffff\3\34"+
-        "\1\uffff\1\34\7\uffff\6\34\1\33\12\34\1\uffff\5\34\1\112\1\113\1"+
-        "\114\7\34\3\uffff\3\34\1\127\1\130\1\uffff\2\34\1\133\1\134\2\uffff"+
-        "\1\34\1\136\2\uffff\1\34\1\uffff\2\34\1\uffff";
+        "\12\uffff\1\36\1\uffff\1\36\1\52\1\36\3\uffff\3\36\2\uffff\3\36"+
+        "\5\uffff\3\36\1\uffff\1\36\7\uffff\6\36\1\35\12\36\1\uffff\5\36"+
+        "\1\114\1\115\1\116\7\36\3\uffff\3\36\1\131\1\132\1\uffff\2\36\1"+
+        "\135\1\136\2\uffff\1\36\1\140\2\uffff\1\36\1\uffff\2\36\1\uffff";
     static final String DFA16_eofS =
-        "\142\uffff";
+        "\144\uffff";
     static final String DFA16_minS =
-        "\1\11\11\uffff\1\56\1\uffff\1\56\1\52\1\56\3\uffff\6\56\2\uffff"+
-        "\1\0\2\uffff\1\141\1\157\1\11\1\uffff\1\160\7\uffff\1\142\1\155"+
-        "\1\154\1\157\1\143\1\144\1\42\1\155\1\142\1\157\1\145\1\142\2\145"+
-        "\2\153\1\141\1\uffff\1\155\1\141\1\162\1\154\1\151\3\60\1\141\1"+
-        "\164\1\141\1\154\1\164\1\72\1\156\3\uffff\1\147\1\145\1\162\2\60"+
-        "\1\uffff\1\141\1\145\2\60\2\uffff\1\164\1\60\2\uffff\1\157\1\uffff"+
-        "\1\162\1\72\1\uffff";
+        "\1\11\11\uffff\1\56\1\uffff\1\56\1\52\1\56\3\uffff\3\56\2\uffff"+
+        "\3\56\2\uffff\1\0\2\uffff\1\141\1\157\1\11\1\uffff\1\160\7\uffff"+
+        "\1\142\1\155\1\154\1\157\1\143\1\144\1\42\1\155\1\142\1\157\1\145"+
+        "\1\142\2\145\2\153\1\141\1\uffff\1\155\1\141\1\162\1\154\1\151\3"+
+        "\60\1\141\1\164\1\141\1\154\1\164\1\72\1\156\3\uffff\1\147\1\145"+
+        "\1\162\2\60\1\uffff\1\141\1\145\2\60\2\uffff\1\164\1\60\2\uffff"+
+        "\1\157\1\uffff\1\162\1\72\1\uffff";
     static final String DFA16_maxS =
         "\1\175\11\uffff\1\162\1\uffff\1\155\1\164\1\141\3\uffff\1\157\1"+
-        "\165\1\157\1\141\1\160\1\71\2\uffff\1\uffff\2\uffff\1\141\1\157"+
-        "\1\71\1\uffff\1\160\7\uffff\1\142\1\162\1\154\1\157\1\143\1\144"+
-        "\1\42\1\155\1\142\1\157\1\145\1\142\2\145\2\153\1\141\1\uffff\1"+
-        "\155\1\141\1\162\1\154\1\151\3\172\1\141\1\164\1\141\1\154\1\164"+
+        "\165\1\157\2\uffff\1\141\1\160\1\71\2\uffff\1\uffff\2\uffff\1\141"+
+        "\1\157\1\71\1\uffff\1\160\7\uffff\1\142\1\162\1\154\1\157\1\143"+
+        "\1\144\1\42\1\155\1\142\1\157\1\145\1\142\2\145\2\153\1\141\1\uffff"+
+        "\1\155\1\141\1\162\1\154\1\151\3\172\1\141\1\164\1\141\1\154\1\164"+
         "\1\72\1\156\3\uffff\1\147\1\145\1\162\2\172\1\uffff\1\141\1\145"+
         "\2\172\2\uffff\1\164\1\172\2\uffff\1\157\1\uffff\1\162\1\72\1\uffff";
     static final String DFA16_acceptS =
         "\1\uffff\1\1\1\2\1\3\1\4\1\5\1\6\1\7\1\10\1\11\1\uffff\1\13\3\uffff"+
-        "\1\17\1\20\1\21\6\uffff\1\35\1\36\1\uffff\1\40\1\34\3\uffff\1\41"+
-        "\1\uffff\1\26\1\27\1\30\1\42\1\43\1\44\1\15\21\uffff\1\37\17\uffff"+
-        "\1\31\1\24\1\25\5\uffff\1\16\4\uffff\1\22\1\14\2\uffff\1\33\1\12"+
-        "\1\uffff\1\32\2\uffff\1\23";
+        "\1\17\1\20\1\21\3\uffff\1\26\1\27\3\uffff\1\37\1\40\1\uffff\1\42"+
+        "\1\36\3\uffff\1\43\1\uffff\1\30\1\31\1\32\1\44\1\45\1\46\1\15\21"+
+        "\uffff\1\41\17\uffff\1\33\1\24\1\25\5\uffff\1\16\4\uffff\1\22\1"+
+        "\14\2\uffff\1\35\1\12\1\uffff\1\34\2\uffff\1\23";
     static final String DFA16_specialS =
-        "\32\uffff\1\0\107\uffff}>";
+        "\34\uffff\1\0\107\uffff}>";
     static final String[] DFA16_transitionS = {
-            "\2\31\2\uffff\1\31\22\uffff\1\31\1\uffff\1\32\4\uffff\1\33"+
-            "\1\5\1\1\1\10\1\11\2\uffff\1\20\1\15\12\30\1\17\1\13\1\21\4"+
-            "\uffff\32\27\1\6\1\uffff\1\2\1\uffff\1\34\1\uffff\2\27\1\22"+
-            "\3\27\1\12\1\24\1\14\2\27\1\16\3\27\1\25\1\27\1\23\2\27\1\26"+
-            "\5\27\1\7\1\4\1\3",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "\1\40\1\uffff\12\37\62\uffff\1\36\5\uffff\1\35",
-            "",
-            "\1\40\1\uffff\12\37\63\uffff\1\41",
-            "\1\46\4\uffff\1\45\61\uffff\1\47\1\42\1\uffff\1\43\10\uffff"+
-            "\1\44\1\uffff\1\47\4\uffff\1\47",
-            "\1\40\1\uffff\12\37\47\uffff\1\51",
-            "",
-            "",
-            "",
-            "\1\40\1\uffff\12\37\65\uffff\1\52",
-            "\1\40\1\uffff\12\37\73\uffff\1\53",
-            "\1\40\1\uffff\12\37\65\uffff\1\54",
-            "\1\40\1\uffff\12\37\47\uffff\1\55",
-            "\1\40\1\uffff\12\37\66\uffff\1\56",
-            "\1\40\1\uffff\12\37",
-            "",
-            "",
-            "\42\33\1\57\uffdd\33",
-            "",
-            "",
-            "\1\60",
-            "\1\61",
-            "\1\40\26\uffff\1\40\15\uffff\1\40\1\uffff\12\37",
+            "\2\33\2\uffff\1\33\22\uffff\1\33\1\uffff\1\34\1\25\3\uffff\1"+
+            "\35\1\5\1\1\1\10\1\11\1\26\1\uffff\1\20\1\15\12\32\1\17\1\13"+
+            "\1\21\4\uffff\32\31\1\6\1\uffff\1\2\1\uffff\1\36\1\uffff\2\31"+
+            "\1\22\3\31\1\12\1\24\1\14\2\31\1\16\3\31\1\27\1\31\1\23\2\31"+
+            "\1\30\5\31\1\7\1\4\1\3",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "\1\42\1\uffff\12\41\62\uffff\1\40\5\uffff\1\37",
+            "",
+            "\1\42\1\uffff\12\41\63\uffff\1\43",
+            "\1\50\4\uffff\1\47\61\uffff\1\51\1\44\1\uffff\1\45\10\uffff"+
+            "\1\46\1\uffff\1\51\4\uffff\1\51",
+            "\1\42\1\uffff\12\41\47\uffff\1\53",
+            "",
+            "",
+            "",
+            "\1\42\1\uffff\12\41\65\uffff\1\54",
+            "\1\42\1\uffff\12\41\73\uffff\1\55",
+            "\1\42\1\uffff\12\41\65\uffff\1\56",
+            "",
+            "",
+            "\1\42\1\uffff\12\41\47\uffff\1\57",
+            "\1\42\1\uffff\12\41\66\uffff\1\60",
+            "\1\42\1\uffff\12\41",
+            "",
+            "",
+            "\42\35\1\61\uffdd\35",
+            "",
             "",
             "\1\62",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
             "\1\63",
-            "\1\64\4\uffff\1\65",
-            "\1\66",
-            "\1\67",
+            "\1\42\26\uffff\1\42\15\uffff\1\42\1\uffff\12\41",
+            "",
+            "\1\64",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "\1\65",
+            "\1\66\4\uffff\1\67",
             "\1\70",
             "\1\71",
@@ -1738 +1794 @@
             "\1\103",
             "\1\104",
-            "",
             "\1\105",
             "\1\106",
+            "",
             "\1\107",
             "\1\110",
             "\1\111",
-            "\12\34\7\uffff\32\34\4\uffff\1\34\1\uffff\32\34",
-            "\12\34\7\uffff\32\34\4\uffff\1\34\1\uffff\32\34",
-            "\12\34\7\uffff\32\34\4\uffff\1\34\1\uffff\32\34",
-            "\1\115",
-            "\1\116",
+            "\1\112",
+            "\1\113",
+            "\12\36\7\uffff\32\36\4\uffff\1\36\1\uffff\32\36",
+            "\12\36\7\uffff\32\36\4\uffff\1\36\1\uffff\32\36",
+            "\12\36\7\uffff\32\36\4\uffff\1\36\1\uffff\32\36",
             "\1\117",
             "\1\120",
@@ -1754 +1810 @@
             "\1\122",
             "\1\123",
-            "",
-            "",
-            "",
             "\1\124",
             "\1\125",
+            "",
+            "",
+            "",
             "\1\126",
-            "\12\34\7\uffff\32\34\4\uffff\1\34\1\uffff\32\34",
-            "\12\34\7\uffff\32\34\4\uffff\1\34\1\uffff\32\34",
-            "",
-            "\1\131",
-            "\1\132",
-            "\12\34\7\uffff\32\34\4\uffff\1\34\1\uffff\32\34",
-            "\12\34\7\uffff\32\34\4\uffff\1\34\1\uffff\32\34",
-            "",
-            "",
-            "\1\135",
-            "\12\34\7\uffff\32\34\4\uffff\1\34\1\uffff\32\34",
+            "\1\127",
+            "\1\130",
+            "\12\36\7\uffff\32\36\4\uffff\1\36\1\uffff\32\36",
+            "\12\36\7\uffff\32\36\4\uffff\1\36\1\uffff\32\36",
+            "",
+            "\1\133",
+            "\1\134",
+            "\12\36\7\uffff\32\36\4\uffff\1\36\1\uffff\32\36",
+            "\12\36\7\uffff\32\36\4\uffff\1\36\1\uffff\32\36",
             "",
             "",
             "\1\137",
-            "",
-            "\1\140",
+            "\12\36\7\uffff\32\36\4\uffff\1\36\1\uffff\32\36",
+            "",
+            "",
             "\1\141",
+            "",
+            "\1\142",
+            "\1\143",
             ""
     };
@@ -1810 +1868 @@
         }
         public String getDescription() {
-            return "1:1: Tokens : ( T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | T__20 | T__21 | T__22 | T__23 | T__24 | T__25 | T__26 | T__27 | T__28 | T__29 | T__30 | T__31 | T__32 | T__33 | T__34 | T__35 | T__36 | T__37 | T__38 | T__39 | RULE_ID | RULE_INT | RULE_WS | RULE_COLON | RULE_STRING | RULE_SECTIONHEADER | RULE_SL_COMMENT | RULE_ML_COMMENT | RULE_LOGIC );";
+            return "1:1: Tokens : ( T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | T__20 | T__21 | T__22 | T__23 | T__24 | T__25 | T__26 | T__27 | T__28 | T__29 | T__30 | T__31 | T__32 | T__33 | T__34 | T__35 | T__36 | T__37 | T__38 | T__39 | T__40 | T__41 | RULE_ID | RULE_INT | RULE_WS | RULE_COLON | RULE_STRING | RULE_SECTIONHEADER | RULE_SL_COMMENT | RULE_ML_COMMENT | RULE_LOGIC );";
         }
         public int specialStateTransition(int s, IntStream _input) throws NoViableAltException {
@@ -1817 +1875 @@
             switch ( s ) {
                     case 0 : 
-                        int LA16_26 = input.LA(1);
+                        int LA16_28 = input.LA(1);
 
                         s = -1;
-                        if ( (LA16_26=='\"') ) {s = 47;}
-
-                        else if ( ((LA16_26>='\u0000' && LA16_26<='!')||(LA16_26>='#' && LA16_26<='\uFFFF')) ) {s = 27;}
+                        if ( (LA16_28=='\"') ) {s = 49;}
+
+                        else if ( ((LA16_28>='\u0000' && LA16_28<='!')||(LA16_28>='#' && LA16_28<='\uFFFF')) ) {s = 29;}
 
                         if ( s>=0 ) return s;

v2/trunk/de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnfParser.java

@@ -19 +19 @@
 import java.util.List;
 import java.util.ArrayList;
-
+import java.util.Map;
+import java.util.HashMap;
 @SuppressWarnings("all")
 public class InternalEbnfParser extends AbstractInternalContentAssistParser {
     public static final String[] tokenNames = new String[] {
-        "<invalid>", "<EOR>", "<DOWN>", "<UP>", "RULE_ID", "RULE_SECTIONHEADER", "RULE_STRING", "RULE_INT", "RULE_LOGIC", "RULE_COLON", "RULE_WS", "RULE_SL_COMMENT", "RULE_ML_COMMENT", "')'", "']'", "'}'", "'|'", "'('", "'['", "'{'", "'*'", "'+'", "'grammar'", "';'", "'import'", "'/'", "'label:'", "'::='", "'.'", "'<-'", "'global'", "'combinator:'", "'rule'", "'hook'", "'/bnf'", "'/delta'", "'/merge'", "'core'", "'package'", "'update'"
+        "<invalid>", "<EOR>", "<DOWN>", "<UP>", "RULE_ID", "RULE_SECTIONHEADER", "RULE_STRING", "RULE_INT", "RULE_LOGIC", "RULE_COLON", "RULE_WS", "RULE_SL_COMMENT", "RULE_ML_COMMENT", "')'", "']'", "'}'", "'|'", "'('", "'['", "'{'", "'*'", "'+'", "'grammar'", "';'", "'import'", "'/'", "'label:'", "'::='", "'.'", "'<-'", "'global'", "'combinator:'", "'rule'", "'hook'", "'#'", "','", "'/bnf'", "'/delta'", "'/merge'", "'core'", "'package'", "'update'"
     };
     public static final int RULE_ID=4;
+    public static final int T__40=40;
     public static final int RULE_SECTIONHEADER=5;
+    public static final int T__41=41;
     public static final int T__29=29;
     public static final int T__28=28;
@@ -72 +75 @@
         public InternalEbnfParser(TokenStream input, RecognizerSharedState state) {
             super(input, state);
+            this.state.ruleMemo = new HashMap[356+1];
+             
              
         }
@@ -101 +106 @@
 
     // $ANTLR start "entryRuleEtsiBnf"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:60:1: entryRuleEtsiBnf : ruleEtsiBnf EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:62:1: entryRuleEtsiBnf : ruleEtsiBnf EOF ;
     public final void entryRuleEtsiBnf() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:61:1: ( ruleEtsiBnf EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:62:1: ruleEtsiBnf EOF
-            {
-             before(grammarAccess.getEtsiBnfRule()); 
-            pushFollow(FOLLOW_ruleEtsiBnf_in_entryRuleEtsiBnf61);
+        int entryRuleEtsiBnf_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 1) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:63:1: ( ruleEtsiBnf EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:64:1: ruleEtsiBnf EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getEtsiBnfRule()); 
+            }
+            pushFollow(FOLLOW_ruleEtsiBnf_in_entryRuleEtsiBnf74);
             ruleEtsiBnf();
 
             state._fsp--;
-
-             after(grammarAccess.getEtsiBnfRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleEtsiBnf68); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getEtsiBnfRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleEtsiBnf81); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 1, entryRuleEtsiBnf_StartIndex); }
         }
         return ;
@@ -131 +143 @@
 
     // $ANTLR start "ruleEtsiBnf"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:69:1: ruleEtsiBnf : ( ( rule__EtsiBnf__Alternatives ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:71:1: ruleEtsiBnf : ( ( rule__EtsiBnf__Alternatives ) ) ;
     public final void ruleEtsiBnf() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:73:2: ( ( ( rule__EtsiBnf__Alternatives ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:74:1: ( ( rule__EtsiBnf__Alternatives ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:74:1: ( ( rule__EtsiBnf__Alternatives ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:75:1: ( rule__EtsiBnf__Alternatives )
-            {
-             before(grammarAccess.getEtsiBnfAccess().getAlternatives()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:76:1: ( rule__EtsiBnf__Alternatives )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:76:2: rule__EtsiBnf__Alternatives
-            {
-            pushFollow(FOLLOW_rule__EtsiBnf__Alternatives_in_ruleEtsiBnf94);
+        int ruleEtsiBnf_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 2) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:75:2: ( ( ( rule__EtsiBnf__Alternatives ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:76:1: ( ( rule__EtsiBnf__Alternatives ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:76:1: ( ( rule__EtsiBnf__Alternatives ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:77:1: ( rule__EtsiBnf__Alternatives )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getEtsiBnfAccess().getAlternatives()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:78:1: ( rule__EtsiBnf__Alternatives )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:78:2: rule__EtsiBnf__Alternatives
+            {
+            pushFollow(FOLLOW_rule__EtsiBnf__Alternatives_in_ruleEtsiBnf107);
             rule__EtsiBnf__Alternatives();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getEtsiBnfAccess().getAlternatives()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getEtsiBnfAccess().getAlternatives()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 2, ruleEtsiBnf_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -178 +197 @@
 
     // $ANTLR start "entryRuleImportSection"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:88:1: entryRuleImportSection : ruleImportSection EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:90:1: entryRuleImportSection : ruleImportSection EOF ;
     public final void entryRuleImportSection() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:89:1: ( ruleImportSection EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:90:1: ruleImportSection EOF
-            {
-             before(grammarAccess.getImportSectionRule()); 
-            pushFollow(FOLLOW_ruleImportSection_in_entryRuleImportSection121);
+        int entryRuleImportSection_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 3) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:91:1: ( ruleImportSection EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:92:1: ruleImportSection EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getImportSectionRule()); 
+            }
+            pushFollow(FOLLOW_ruleImportSection_in_entryRuleImportSection134);
             ruleImportSection();
 
             state._fsp--;
-
-             after(grammarAccess.getImportSectionRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleImportSection128); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getImportSectionRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleImportSection141); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 3, entryRuleImportSection_StartIndex); }
         }
         return ;
@@ -208 +234 @@
 
     // $ANTLR start "ruleImportSection"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:97:1: ruleImportSection : ( ( ( rule__ImportSection__ImportsAssignment ) ) ( ( rule__ImportSection__ImportsAssignment )* ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:99:1: ruleImportSection : ( ( ( rule__ImportSection__ImportsAssignment ) ) ( ( rule__ImportSection__ImportsAssignment )* ) ) ;
     public final void ruleImportSection() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:101:2: ( ( ( ( rule__ImportSection__ImportsAssignment ) ) ( ( rule__ImportSection__ImportsAssignment )* ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:102:1: ( ( ( rule__ImportSection__ImportsAssignment ) ) ( ( rule__ImportSection__ImportsAssignment )* ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:102:1: ( ( ( rule__ImportSection__ImportsAssignment ) ) ( ( rule__ImportSection__ImportsAssignment )* ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:103:1: ( ( rule__ImportSection__ImportsAssignment ) ) ( ( rule__ImportSection__ImportsAssignment )* )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:103:1: ( ( rule__ImportSection__ImportsAssignment ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:104:1: ( rule__ImportSection__ImportsAssignment )
-            {
-             before(grammarAccess.getImportSectionAccess().getImportsAssignment()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:105:1: ( rule__ImportSection__ImportsAssignment )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:105:2: rule__ImportSection__ImportsAssignment
-            {
-            pushFollow(FOLLOW_rule__ImportSection__ImportsAssignment_in_ruleImportSection156);
+        int ruleImportSection_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 4) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:103:2: ( ( ( ( rule__ImportSection__ImportsAssignment ) ) ( ( rule__ImportSection__ImportsAssignment )* ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:104:1: ( ( ( rule__ImportSection__ImportsAssignment ) ) ( ( rule__ImportSection__ImportsAssignment )* ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:104:1: ( ( ( rule__ImportSection__ImportsAssignment ) ) ( ( rule__ImportSection__ImportsAssignment )* ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:105:1: ( ( rule__ImportSection__ImportsAssignment ) ) ( ( rule__ImportSection__ImportsAssignment )* )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:105:1: ( ( rule__ImportSection__ImportsAssignment ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:106:1: ( rule__ImportSection__ImportsAssignment )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getImportSectionAccess().getImportsAssignment()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:107:1: ( rule__ImportSection__ImportsAssignment )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:107:2: rule__ImportSection__ImportsAssignment
+            {
+            pushFollow(FOLLOW_rule__ImportSection__ImportsAssignment_in_ruleImportSection169);
             rule__ImportSection__ImportsAssignment();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getImportSectionAccess().getImportsAssignment()); 
-
-            }
-
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:108:1: ( ( rule__ImportSection__ImportsAssignment )* )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:109:1: ( rule__ImportSection__ImportsAssignment )*
-            {
-             before(grammarAccess.getImportSectionAccess().getImportsAssignment()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:110:1: ( rule__ImportSection__ImportsAssignment )*
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getImportSectionAccess().getImportsAssignment()); 
+            }
+
+            }
+
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:110:1: ( ( rule__ImportSection__ImportsAssignment )* )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:111:1: ( rule__ImportSection__ImportsAssignment )*
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getImportSectionAccess().getImportsAssignment()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:112:1: ( rule__ImportSection__ImportsAssignment )*
             loop1:
             do {
@@ -256 +290 @@
                 switch (alt1) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:110:2: rule__ImportSection__ImportsAssignment
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:112:2: rule__ImportSection__ImportsAssignment
                     {
-                    pushFollow(FOLLOW_rule__ImportSection__ImportsAssignment_in_ruleImportSection168);
+                    pushFollow(FOLLOW_rule__ImportSection__ImportsAssignment_in_ruleImportSection181);
                     rule__ImportSection__ImportsAssignment();
 
                     state._fsp--;
-
+                    if (state.failed) return ;
 
                     }
@@ -272 +306 @@
             } while (true);
 
-             after(grammarAccess.getImportSectionAccess().getImportsAssignment()); 
-
-            }
-
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getImportSectionAccess().getImportsAssignment()); 
+            }
+
+            }
+
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 4, ruleImportSection_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -298 +335 @@
 
     // $ANTLR start "entryRuleBnfEntry"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:123:1: entryRuleBnfEntry : ruleBnfEntry EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:125:1: entryRuleBnfEntry : ruleBnfEntry EOF ;
     public final void entryRuleBnfEntry() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:124:1: ( ruleBnfEntry EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:125:1: ruleBnfEntry EOF
-            {
-             before(grammarAccess.getBnfEntryRule()); 
-            pushFollow(FOLLOW_ruleBnfEntry_in_entryRuleBnfEntry198);
+        int entryRuleBnfEntry_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 5) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:126:1: ( ruleBnfEntry EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:127:1: ruleBnfEntry EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getBnfEntryRule()); 
+            }
+            pushFollow(FOLLOW_ruleBnfEntry_in_entryRuleBnfEntry211);
             ruleBnfEntry();
 
             state._fsp--;
-
-             after(grammarAccess.getBnfEntryRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleBnfEntry205); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getBnfEntryRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleBnfEntry218); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 5, entryRuleBnfEntry_StartIndex); }
         }
         return ;
@@ -328 +372 @@
 
     // $ANTLR start "ruleBnfEntry"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:132:1: ruleBnfEntry : ( ( rule__BnfEntry__Alternatives ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:134:1: ruleBnfEntry : ( ( rule__BnfEntry__Alternatives ) ) ;
     public final void ruleBnfEntry() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:136:2: ( ( ( rule__BnfEntry__Alternatives ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:137:1: ( ( rule__BnfEntry__Alternatives ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:137:1: ( ( rule__BnfEntry__Alternatives ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:138:1: ( rule__BnfEntry__Alternatives )
-            {
-             before(grammarAccess.getBnfEntryAccess().getAlternatives()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:139:1: ( rule__BnfEntry__Alternatives )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:139:2: rule__BnfEntry__Alternatives
-            {
-            pushFollow(FOLLOW_rule__BnfEntry__Alternatives_in_ruleBnfEntry231);
+        int ruleBnfEntry_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 6) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:138:2: ( ( ( rule__BnfEntry__Alternatives ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:139:1: ( ( rule__BnfEntry__Alternatives ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:139:1: ( ( rule__BnfEntry__Alternatives ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:140:1: ( rule__BnfEntry__Alternatives )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getBnfEntryAccess().getAlternatives()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:141:1: ( rule__BnfEntry__Alternatives )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:141:2: rule__BnfEntry__Alternatives
+            {
+            pushFollow(FOLLOW_rule__BnfEntry__Alternatives_in_ruleBnfEntry244);
             rule__BnfEntry__Alternatives();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getBnfEntryAccess().getAlternatives()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getBnfEntryAccess().getAlternatives()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 6, ruleBnfEntry_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -375 +426 @@
 
     // $ANTLR start "entryRuleDeltaEntry"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:151:1: entryRuleDeltaEntry : ruleDeltaEntry EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:153:1: entryRuleDeltaEntry : ruleDeltaEntry EOF ;
     public final void entryRuleDeltaEntry() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:152:1: ( ruleDeltaEntry EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:153:1: ruleDeltaEntry EOF
-            {
-             before(grammarAccess.getDeltaEntryRule()); 
-            pushFollow(FOLLOW_ruleDeltaEntry_in_entryRuleDeltaEntry258);
+        int entryRuleDeltaEntry_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 7) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:154:1: ( ruleDeltaEntry EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:155:1: ruleDeltaEntry EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getDeltaEntryRule()); 
+            }
+            pushFollow(FOLLOW_ruleDeltaEntry_in_entryRuleDeltaEntry271);
             ruleDeltaEntry();
 
             state._fsp--;
-
-             after(grammarAccess.getDeltaEntryRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleDeltaEntry265); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getDeltaEntryRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleDeltaEntry278); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 7, entryRuleDeltaEntry_StartIndex); }
         }
         return ;
@@ -405 +463 @@
 
     // $ANTLR start "ruleDeltaEntry"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:160:1: ruleDeltaEntry : ( ( rule__DeltaEntry__Alternatives ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:162:1: ruleDeltaEntry : ( ( rule__DeltaEntry__Alternatives ) ) ;
     public final void ruleDeltaEntry() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:164:2: ( ( ( rule__DeltaEntry__Alternatives ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:165:1: ( ( rule__DeltaEntry__Alternatives ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:165:1: ( ( rule__DeltaEntry__Alternatives ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:166:1: ( rule__DeltaEntry__Alternatives )
-            {
-             before(grammarAccess.getDeltaEntryAccess().getAlternatives()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:167:1: ( rule__DeltaEntry__Alternatives )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:167:2: rule__DeltaEntry__Alternatives
-            {
-            pushFollow(FOLLOW_rule__DeltaEntry__Alternatives_in_ruleDeltaEntry291);
+        int ruleDeltaEntry_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 8) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:166:2: ( ( ( rule__DeltaEntry__Alternatives ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:167:1: ( ( rule__DeltaEntry__Alternatives ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:167:1: ( ( rule__DeltaEntry__Alternatives ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:168:1: ( rule__DeltaEntry__Alternatives )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getDeltaEntryAccess().getAlternatives()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:169:1: ( rule__DeltaEntry__Alternatives )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:169:2: rule__DeltaEntry__Alternatives
+            {
+            pushFollow(FOLLOW_rule__DeltaEntry__Alternatives_in_ruleDeltaEntry304);
             rule__DeltaEntry__Alternatives();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getDeltaEntryAccess().getAlternatives()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getDeltaEntryAccess().getAlternatives()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 8, ruleDeltaEntry_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -452 +517 @@
 
     // $ANTLR start "entryRuleMergeEntry"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:179:1: entryRuleMergeEntry : ruleMergeEntry EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:181:1: entryRuleMergeEntry : ruleMergeEntry EOF ;
     public final void entryRuleMergeEntry() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:180:1: ( ruleMergeEntry EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:181:1: ruleMergeEntry EOF
-            {
-             before(grammarAccess.getMergeEntryRule()); 
-            pushFollow(FOLLOW_ruleMergeEntry_in_entryRuleMergeEntry318);
+        int entryRuleMergeEntry_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 9) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:182:1: ( ruleMergeEntry EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:183:1: ruleMergeEntry EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getMergeEntryRule()); 
+            }
+            pushFollow(FOLLOW_ruleMergeEntry_in_entryRuleMergeEntry331);
             ruleMergeEntry();
 
             state._fsp--;
-
-             after(grammarAccess.getMergeEntryRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleMergeEntry325); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getMergeEntryRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleMergeEntry338); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 9, entryRuleMergeEntry_StartIndex); }
         }
         return ;
@@ -482 +554 @@
 
     // $ANTLR start "ruleMergeEntry"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:188:1: ruleMergeEntry : ( ( rule__MergeEntry__Alternatives ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:190:1: ruleMergeEntry : ( ( rule__MergeEntry__Alternatives ) ) ;
     public final void ruleMergeEntry() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:192:2: ( ( ( rule__MergeEntry__Alternatives ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:193:1: ( ( rule__MergeEntry__Alternatives ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:193:1: ( ( rule__MergeEntry__Alternatives ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:194:1: ( rule__MergeEntry__Alternatives )
-            {
-             before(grammarAccess.getMergeEntryAccess().getAlternatives()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:195:1: ( rule__MergeEntry__Alternatives )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:195:2: rule__MergeEntry__Alternatives
-            {
-            pushFollow(FOLLOW_rule__MergeEntry__Alternatives_in_ruleMergeEntry351);
+        int ruleMergeEntry_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 10) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:194:2: ( ( ( rule__MergeEntry__Alternatives ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:195:1: ( ( rule__MergeEntry__Alternatives ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:195:1: ( ( rule__MergeEntry__Alternatives ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:196:1: ( rule__MergeEntry__Alternatives )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getMergeEntryAccess().getAlternatives()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:197:1: ( rule__MergeEntry__Alternatives )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:197:2: rule__MergeEntry__Alternatives
+            {
+            pushFollow(FOLLOW_rule__MergeEntry__Alternatives_in_ruleMergeEntry364);
             rule__MergeEntry__Alternatives();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getMergeEntryAccess().getAlternatives()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getMergeEntryAccess().getAlternatives()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 10, ruleMergeEntry_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -529 +608 @@
 
     // $ANTLR start "entryRuleSectionHeading"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:207:1: entryRuleSectionHeading : ruleSectionHeading EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:209:1: entryRuleSectionHeading : ruleSectionHeading EOF ;
     public final void entryRuleSectionHeading() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:208:1: ( ruleSectionHeading EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:209:1: ruleSectionHeading EOF
-            {
-             before(grammarAccess.getSectionHeadingRule()); 
-            pushFollow(FOLLOW_ruleSectionHeading_in_entryRuleSectionHeading378);
+        int entryRuleSectionHeading_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 11) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:210:1: ( ruleSectionHeading EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:211:1: ruleSectionHeading EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getSectionHeadingRule()); 
+            }
+            pushFollow(FOLLOW_ruleSectionHeading_in_entryRuleSectionHeading391);
             ruleSectionHeading();
 
             state._fsp--;
-
-             after(grammarAccess.getSectionHeadingRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleSectionHeading385); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getSectionHeadingRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleSectionHeading398); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 11, entryRuleSectionHeading_StartIndex); }
         }
         return ;
@@ -559 +645 @@
 
     // $ANTLR start "ruleSectionHeading"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:216:1: ruleSectionHeading : ( ( rule__SectionHeading__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:218:1: ruleSectionHeading : ( ( rule__SectionHeading__Group__0 ) ) ;
     public final void ruleSectionHeading() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:220:2: ( ( ( rule__SectionHeading__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:221:1: ( ( rule__SectionHeading__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:221:1: ( ( rule__SectionHeading__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:222:1: ( rule__SectionHeading__Group__0 )
-            {
-             before(grammarAccess.getSectionHeadingAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:223:1: ( rule__SectionHeading__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:223:2: rule__SectionHeading__Group__0
-            {
-            pushFollow(FOLLOW_rule__SectionHeading__Group__0_in_ruleSectionHeading411);
+        int ruleSectionHeading_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 12) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:222:2: ( ( ( rule__SectionHeading__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:223:1: ( ( rule__SectionHeading__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:223:1: ( ( rule__SectionHeading__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:224:1: ( rule__SectionHeading__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getSectionHeadingAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:225:1: ( rule__SectionHeading__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:225:2: rule__SectionHeading__Group__0
+            {
+            pushFollow(FOLLOW_rule__SectionHeading__Group__0_in_ruleSectionHeading424);
             rule__SectionHeading__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getSectionHeadingAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getSectionHeadingAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 12, ruleSectionHeading_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -606 +699 @@
 
     // $ANTLR start "entryRuleImport"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:235:1: entryRuleImport : ruleImport EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:237:1: entryRuleImport : ruleImport EOF ;
     public final void entryRuleImport() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:236:1: ( ruleImport EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:237:1: ruleImport EOF
-            {
-             before(grammarAccess.getImportRule()); 
-            pushFollow(FOLLOW_ruleImport_in_entryRuleImport438);
+        int entryRuleImport_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 13) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:238:1: ( ruleImport EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:239:1: ruleImport EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getImportRule()); 
+            }
+            pushFollow(FOLLOW_ruleImport_in_entryRuleImport451);
             ruleImport();
 
             state._fsp--;
-
-             after(grammarAccess.getImportRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleImport445); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getImportRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleImport458); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 13, entryRuleImport_StartIndex); }
         }
         return ;
@@ -636 +736 @@
 
     // $ANTLR start "ruleImport"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:244:1: ruleImport : ( ( rule__Import__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:246:1: ruleImport : ( ( rule__Import__Group__0 ) ) ;
     public final void ruleImport() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:248:2: ( ( ( rule__Import__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:249:1: ( ( rule__Import__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:249:1: ( ( rule__Import__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:250:1: ( rule__Import__Group__0 )
-            {
-             before(grammarAccess.getImportAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:251:1: ( rule__Import__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:251:2: rule__Import__Group__0
-            {
-            pushFollow(FOLLOW_rule__Import__Group__0_in_ruleImport471);
+        int ruleImport_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 14) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:250:2: ( ( ( rule__Import__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:251:1: ( ( rule__Import__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:251:1: ( ( rule__Import__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:252:1: ( rule__Import__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getImportAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:253:1: ( rule__Import__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:253:2: rule__Import__Group__0
+            {
+            pushFollow(FOLLOW_rule__Import__Group__0_in_ruleImport484);
             rule__Import__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getImportAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getImportAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 14, ruleImport_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -683 +790 @@
 
     // $ANTLR start "entryRuleRule"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:263:1: entryRuleRule : ruleRule EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:265:1: entryRuleRule : ruleRule EOF ;
     public final void entryRuleRule() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:264:1: ( ruleRule EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:265:1: ruleRule EOF
-            {
-             before(grammarAccess.getRuleRule()); 
-            pushFollow(FOLLOW_ruleRule_in_entryRuleRule498);
+        int entryRuleRule_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 15) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:266:1: ( ruleRule EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:267:1: ruleRule EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getRuleRule()); 
+            }
+            pushFollow(FOLLOW_ruleRule_in_entryRuleRule511);
             ruleRule();
 
             state._fsp--;
-
-             after(grammarAccess.getRuleRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleRule505); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getRuleRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleRule518); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 15, entryRuleRule_StartIndex); }
         }
         return ;
@@ -713 +827 @@
 
     // $ANTLR start "ruleRule"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:272:1: ruleRule : ( ( rule__Rule__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:274:1: ruleRule : ( ( rule__Rule__Group__0 ) ) ;
     public final void ruleRule() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:276:2: ( ( ( rule__Rule__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:277:1: ( ( rule__Rule__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:277:1: ( ( rule__Rule__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:278:1: ( rule__Rule__Group__0 )
-            {
-             before(grammarAccess.getRuleAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:279:1: ( rule__Rule__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:279:2: rule__Rule__Group__0
-            {
-            pushFollow(FOLLOW_rule__Rule__Group__0_in_ruleRule531);
+        int ruleRule_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 16) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:278:2: ( ( ( rule__Rule__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:279:1: ( ( rule__Rule__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:279:1: ( ( rule__Rule__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:280:1: ( rule__Rule__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getRuleAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:281:1: ( rule__Rule__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:281:2: rule__Rule__Group__0
+            {
+            pushFollow(FOLLOW_rule__Rule__Group__0_in_ruleRule544);
             rule__Rule__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getRuleAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getRuleAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 16, ruleRule_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -760 +881 @@
 
     // $ANTLR start "entryRuleExtRule"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:291:1: entryRuleExtRule : ruleExtRule EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:293:1: entryRuleExtRule : ruleExtRule EOF ;
     public final void entryRuleExtRule() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:292:1: ( ruleExtRule EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:293:1: ruleExtRule EOF
-            {
-             before(grammarAccess.getExtRuleRule()); 
-            pushFollow(FOLLOW_ruleExtRule_in_entryRuleExtRule558);
+        int entryRuleExtRule_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 17) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:294:1: ( ruleExtRule EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:295:1: ruleExtRule EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getExtRuleRule()); 
+            }
+            pushFollow(FOLLOW_ruleExtRule_in_entryRuleExtRule571);
             ruleExtRule();
 
             state._fsp--;
-
-             after(grammarAccess.getExtRuleRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleExtRule565); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getExtRuleRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleExtRule578); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 17, entryRuleExtRule_StartIndex); }
         }
         return ;
@@ -790 +918 @@
 
     // $ANTLR start "ruleExtRule"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:300:1: ruleExtRule : ( ( rule__ExtRule__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:302:1: ruleExtRule : ( ( rule__ExtRule__Group__0 ) ) ;
     public final void ruleExtRule() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:304:2: ( ( ( rule__ExtRule__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:305:1: ( ( rule__ExtRule__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:305:1: ( ( rule__ExtRule__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:306:1: ( rule__ExtRule__Group__0 )
-            {
-             before(grammarAccess.getExtRuleAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:307:1: ( rule__ExtRule__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:307:2: rule__ExtRule__Group__0
-            {
-            pushFollow(FOLLOW_rule__ExtRule__Group__0_in_ruleExtRule591);
+        int ruleExtRule_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 18) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:306:2: ( ( ( rule__ExtRule__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:307:1: ( ( rule__ExtRule__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:307:1: ( ( rule__ExtRule__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:308:1: ( rule__ExtRule__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getExtRuleAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:309:1: ( rule__ExtRule__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:309:2: rule__ExtRule__Group__0
+            {
+            pushFollow(FOLLOW_rule__ExtRule__Group__0_in_ruleExtRule604);
             rule__ExtRule__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getExtRuleAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getExtRuleAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 18, ruleExtRule_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -837 +972 @@
 
     // $ANTLR start "entryRuleMergeRule"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:319:1: entryRuleMergeRule : ruleMergeRule EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:321:1: entryRuleMergeRule : ruleMergeRule EOF ;
     public final void entryRuleMergeRule() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:320:1: ( ruleMergeRule EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:321:1: ruleMergeRule EOF
-            {
-             before(grammarAccess.getMergeRuleRule()); 
-            pushFollow(FOLLOW_ruleMergeRule_in_entryRuleMergeRule618);
+        int entryRuleMergeRule_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 19) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:322:1: ( ruleMergeRule EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:323:1: ruleMergeRule EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getMergeRuleRule()); 
+            }
+            pushFollow(FOLLOW_ruleMergeRule_in_entryRuleMergeRule631);
             ruleMergeRule();
 
             state._fsp--;
-
-             after(grammarAccess.getMergeRuleRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleMergeRule625); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getMergeRuleRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleMergeRule638); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 19, entryRuleMergeRule_StartIndex); }
         }
         return ;
@@ -867 +1009 @@
 
     // $ANTLR start "ruleMergeRule"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:328:1: ruleMergeRule : ( ( rule__MergeRule__Alternatives ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:330:1: ruleMergeRule : ( ( rule__MergeRule__Alternatives ) ) ;
     public final void ruleMergeRule() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:332:2: ( ( ( rule__MergeRule__Alternatives ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:333:1: ( ( rule__MergeRule__Alternatives ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:333:1: ( ( rule__MergeRule__Alternatives ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:334:1: ( rule__MergeRule__Alternatives )
-            {
-             before(grammarAccess.getMergeRuleAccess().getAlternatives()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:335:1: ( rule__MergeRule__Alternatives )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:335:2: rule__MergeRule__Alternatives
-            {
-            pushFollow(FOLLOW_rule__MergeRule__Alternatives_in_ruleMergeRule651);
+        int ruleMergeRule_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 20) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:334:2: ( ( ( rule__MergeRule__Alternatives ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:335:1: ( ( rule__MergeRule__Alternatives ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:335:1: ( ( rule__MergeRule__Alternatives ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:336:1: ( rule__MergeRule__Alternatives )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getMergeRuleAccess().getAlternatives()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:337:1: ( rule__MergeRule__Alternatives )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:337:2: rule__MergeRule__Alternatives
+            {
+            pushFollow(FOLLOW_rule__MergeRule__Alternatives_in_ruleMergeRule664);
             rule__MergeRule__Alternatives();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getMergeRuleAccess().getAlternatives()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getMergeRuleAccess().getAlternatives()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 20, ruleMergeRule_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -914 +1063 @@
 
     // $ANTLR start "entryRuleGlobalCombinator"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:347:1: entryRuleGlobalCombinator : ruleGlobalCombinator EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:349:1: entryRuleGlobalCombinator : ruleGlobalCombinator EOF ;
     public final void entryRuleGlobalCombinator() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:348:1: ( ruleGlobalCombinator EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:349:1: ruleGlobalCombinator EOF
-            {
-             before(grammarAccess.getGlobalCombinatorRule()); 
-            pushFollow(FOLLOW_ruleGlobalCombinator_in_entryRuleGlobalCombinator678);
+        int entryRuleGlobalCombinator_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 21) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:350:1: ( ruleGlobalCombinator EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:351:1: ruleGlobalCombinator EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getGlobalCombinatorRule()); 
+            }
+            pushFollow(FOLLOW_ruleGlobalCombinator_in_entryRuleGlobalCombinator691);
             ruleGlobalCombinator();
 
             state._fsp--;
-
-             after(grammarAccess.getGlobalCombinatorRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleGlobalCombinator685); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getGlobalCombinatorRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleGlobalCombinator698); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 21, entryRuleGlobalCombinator_StartIndex); }
         }
         return ;
@@ -944 +1100 @@
 
     // $ANTLR start "ruleGlobalCombinator"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:356:1: ruleGlobalCombinator : ( ( rule__GlobalCombinator__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:358:1: ruleGlobalCombinator : ( ( rule__GlobalCombinator__Group__0 ) ) ;
     public final void ruleGlobalCombinator() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:360:2: ( ( ( rule__GlobalCombinator__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:361:1: ( ( rule__GlobalCombinator__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:361:1: ( ( rule__GlobalCombinator__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:362:1: ( rule__GlobalCombinator__Group__0 )
-            {
-             before(grammarAccess.getGlobalCombinatorAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:363:1: ( rule__GlobalCombinator__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:363:2: rule__GlobalCombinator__Group__0
-            {
-            pushFollow(FOLLOW_rule__GlobalCombinator__Group__0_in_ruleGlobalCombinator711);
+        int ruleGlobalCombinator_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 22) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:362:2: ( ( ( rule__GlobalCombinator__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:363:1: ( ( rule__GlobalCombinator__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:363:1: ( ( rule__GlobalCombinator__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:364:1: ( rule__GlobalCombinator__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getGlobalCombinatorAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:365:1: ( rule__GlobalCombinator__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:365:2: rule__GlobalCombinator__Group__0
+            {
+            pushFollow(FOLLOW_rule__GlobalCombinator__Group__0_in_ruleGlobalCombinator724);
             rule__GlobalCombinator__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getGlobalCombinatorAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getGlobalCombinatorAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 22, ruleGlobalCombinator_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -991 +1154 @@
 
     // $ANTLR start "entryRuleRuleCombinator"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:375:1: entryRuleRuleCombinator : ruleRuleCombinator EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:377:1: entryRuleRuleCombinator : ruleRuleCombinator EOF ;
     public final void entryRuleRuleCombinator() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:376:1: ( ruleRuleCombinator EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:377:1: ruleRuleCombinator EOF
-            {
-             before(grammarAccess.getRuleCombinatorRule()); 
-            pushFollow(FOLLOW_ruleRuleCombinator_in_entryRuleRuleCombinator738);
+        int entryRuleRuleCombinator_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 23) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:378:1: ( ruleRuleCombinator EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:379:1: ruleRuleCombinator EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getRuleCombinatorRule()); 
+            }
+            pushFollow(FOLLOW_ruleRuleCombinator_in_entryRuleRuleCombinator751);
             ruleRuleCombinator();
 
             state._fsp--;
-
-             after(grammarAccess.getRuleCombinatorRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleRuleCombinator745); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getRuleCombinatorRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleRuleCombinator758); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 23, entryRuleRuleCombinator_StartIndex); }
         }
         return ;
@@ -1021 +1191 @@
 
     // $ANTLR start "ruleRuleCombinator"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:384:1: ruleRuleCombinator : ( ( rule__RuleCombinator__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:386:1: ruleRuleCombinator : ( ( rule__RuleCombinator__Group__0 ) ) ;
     public final void ruleRuleCombinator() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:388:2: ( ( ( rule__RuleCombinator__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:389:1: ( ( rule__RuleCombinator__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:389:1: ( ( rule__RuleCombinator__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:390:1: ( rule__RuleCombinator__Group__0 )
-            {
-             before(grammarAccess.getRuleCombinatorAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:391:1: ( rule__RuleCombinator__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:391:2: rule__RuleCombinator__Group__0
-            {
-            pushFollow(FOLLOW_rule__RuleCombinator__Group__0_in_ruleRuleCombinator771);
+        int ruleRuleCombinator_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 24) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:390:2: ( ( ( rule__RuleCombinator__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:391:1: ( ( rule__RuleCombinator__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:391:1: ( ( rule__RuleCombinator__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:392:1: ( rule__RuleCombinator__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getRuleCombinatorAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:393:1: ( rule__RuleCombinator__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:393:2: rule__RuleCombinator__Group__0
+            {
+            pushFollow(FOLLOW_rule__RuleCombinator__Group__0_in_ruleRuleCombinator784);
             rule__RuleCombinator__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getRuleCombinatorAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getRuleCombinatorAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 24, ruleRuleCombinator_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1068 +1245 @@
 
     // $ANTLR start "entryRuleHookCombinator"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:403:1: entryRuleHookCombinator : ruleHookCombinator EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:405:1: entryRuleHookCombinator : ruleHookCombinator EOF ;
     public final void entryRuleHookCombinator() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:404:1: ( ruleHookCombinator EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:405:1: ruleHookCombinator EOF
-            {
-             before(grammarAccess.getHookCombinatorRule()); 
-            pushFollow(FOLLOW_ruleHookCombinator_in_entryRuleHookCombinator798);
+        int entryRuleHookCombinator_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 25) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:406:1: ( ruleHookCombinator EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:407:1: ruleHookCombinator EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getHookCombinatorRule()); 
+            }
+            pushFollow(FOLLOW_ruleHookCombinator_in_entryRuleHookCombinator811);
             ruleHookCombinator();
 
             state._fsp--;
-
-             after(grammarAccess.getHookCombinatorRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleHookCombinator805); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getHookCombinatorRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleHookCombinator818); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 25, entryRuleHookCombinator_StartIndex); }
         }
         return ;
@@ -1098 +1282 @@
 
     // $ANTLR start "ruleHookCombinator"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:412:1: ruleHookCombinator : ( ( rule__HookCombinator__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:414:1: ruleHookCombinator : ( ( rule__HookCombinator__Group__0 ) ) ;
     public final void ruleHookCombinator() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:416:2: ( ( ( rule__HookCombinator__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:417:1: ( ( rule__HookCombinator__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:417:1: ( ( rule__HookCombinator__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:418:1: ( rule__HookCombinator__Group__0 )
-            {
-             before(grammarAccess.getHookCombinatorAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:419:1: ( rule__HookCombinator__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:419:2: rule__HookCombinator__Group__0
-            {
-            pushFollow(FOLLOW_rule__HookCombinator__Group__0_in_ruleHookCombinator831);
+        int ruleHookCombinator_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 26) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:418:2: ( ( ( rule__HookCombinator__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:419:1: ( ( rule__HookCombinator__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:419:1: ( ( rule__HookCombinator__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:420:1: ( rule__HookCombinator__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getHookCombinatorAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:421:1: ( rule__HookCombinator__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:421:2: rule__HookCombinator__Group__0
+            {
+            pushFollow(FOLLOW_rule__HookCombinator__Group__0_in_ruleHookCombinator844);
             rule__HookCombinator__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getHookCombinatorAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getHookCombinatorAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 26, ruleHookCombinator_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1145 +1336 @@
 
     // $ANTLR start "entryRuleDefinitionList"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:431:1: entryRuleDefinitionList : ruleDefinitionList EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:433:1: entryRuleDefinitionList : ruleDefinitionList EOF ;
     public final void entryRuleDefinitionList() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:432:1: ( ruleDefinitionList EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:433:1: ruleDefinitionList EOF
-            {
-             before(grammarAccess.getDefinitionListRule()); 
-            pushFollow(FOLLOW_ruleDefinitionList_in_entryRuleDefinitionList858);
+        int entryRuleDefinitionList_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 27) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:434:1: ( ruleDefinitionList EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:435:1: ruleDefinitionList EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getDefinitionListRule()); 
+            }
+            pushFollow(FOLLOW_ruleDefinitionList_in_entryRuleDefinitionList871);
             ruleDefinitionList();
 
             state._fsp--;
-
-             after(grammarAccess.getDefinitionListRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleDefinitionList865); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getDefinitionListRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleDefinitionList878); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 27, entryRuleDefinitionList_StartIndex); }
         }
         return ;
@@ -1175 +1373 @@
 
     // $ANTLR start "ruleDefinitionList"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:440:1: ruleDefinitionList : ( ( rule__DefinitionList__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:442:1: ruleDefinitionList : ( ( rule__DefinitionList__Group__0 ) ) ;
     public final void ruleDefinitionList() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:444:2: ( ( ( rule__DefinitionList__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:445:1: ( ( rule__DefinitionList__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:445:1: ( ( rule__DefinitionList__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:446:1: ( rule__DefinitionList__Group__0 )
-            {
-             before(grammarAccess.getDefinitionListAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:447:1: ( rule__DefinitionList__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:447:2: rule__DefinitionList__Group__0
-            {
-            pushFollow(FOLLOW_rule__DefinitionList__Group__0_in_ruleDefinitionList891);
+        int ruleDefinitionList_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 28) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:446:2: ( ( ( rule__DefinitionList__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:447:1: ( ( rule__DefinitionList__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:447:1: ( ( rule__DefinitionList__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:448:1: ( rule__DefinitionList__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getDefinitionListAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:449:1: ( rule__DefinitionList__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:449:2: rule__DefinitionList__Group__0
+            {
+            pushFollow(FOLLOW_rule__DefinitionList__Group__0_in_ruleDefinitionList904);
             rule__DefinitionList__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getDefinitionListAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getDefinitionListAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 28, ruleDefinitionList_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1222 +1427 @@
 
     // $ANTLR start "entryRuleSingleDefinition"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:459:1: entryRuleSingleDefinition : ruleSingleDefinition EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:461:1: entryRuleSingleDefinition : ruleSingleDefinition EOF ;
     public final void entryRuleSingleDefinition() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:460:1: ( ruleSingleDefinition EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:461:1: ruleSingleDefinition EOF
-            {
-             before(grammarAccess.getSingleDefinitionRule()); 
-            pushFollow(FOLLOW_ruleSingleDefinition_in_entryRuleSingleDefinition918);
+        int entryRuleSingleDefinition_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 29) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:462:1: ( ruleSingleDefinition EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:463:1: ruleSingleDefinition EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getSingleDefinitionRule()); 
+            }
+            pushFollow(FOLLOW_ruleSingleDefinition_in_entryRuleSingleDefinition931);
             ruleSingleDefinition();
 
             state._fsp--;
-
-             after(grammarAccess.getSingleDefinitionRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleSingleDefinition925); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getSingleDefinitionRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleSingleDefinition938); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 29, entryRuleSingleDefinition_StartIndex); }
         }
         return ;
@@ -1252 +1464 @@
 
     // $ANTLR start "ruleSingleDefinition"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:468:1: ruleSingleDefinition : ( ( ( rule__SingleDefinition__TermsAssignment ) ) ( ( rule__SingleDefinition__TermsAssignment )* ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:470:1: ruleSingleDefinition : ( ( ( rule__SingleDefinition__TermsAssignment ) ) ( ( rule__SingleDefinition__TermsAssignment )* ) ) ;
     public final void ruleSingleDefinition() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:472:2: ( ( ( ( rule__SingleDefinition__TermsAssignment ) ) ( ( rule__SingleDefinition__TermsAssignment )* ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:473:1: ( ( ( rule__SingleDefinition__TermsAssignment ) ) ( ( rule__SingleDefinition__TermsAssignment )* ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:473:1: ( ( ( rule__SingleDefinition__TermsAssignment ) ) ( ( rule__SingleDefinition__TermsAssignment )* ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:474:1: ( ( rule__SingleDefinition__TermsAssignment ) ) ( ( rule__SingleDefinition__TermsAssignment )* )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:474:1: ( ( rule__SingleDefinition__TermsAssignment ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:475:1: ( rule__SingleDefinition__TermsAssignment )
-            {
-             before(grammarAccess.getSingleDefinitionAccess().getTermsAssignment()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:476:1: ( rule__SingleDefinition__TermsAssignment )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:476:2: rule__SingleDefinition__TermsAssignment
-            {
-            pushFollow(FOLLOW_rule__SingleDefinition__TermsAssignment_in_ruleSingleDefinition953);
+        int ruleSingleDefinition_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 30) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:474:2: ( ( ( ( rule__SingleDefinition__TermsAssignment ) ) ( ( rule__SingleDefinition__TermsAssignment )* ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:475:1: ( ( ( rule__SingleDefinition__TermsAssignment ) ) ( ( rule__SingleDefinition__TermsAssignment )* ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:475:1: ( ( ( rule__SingleDefinition__TermsAssignment ) ) ( ( rule__SingleDefinition__TermsAssignment )* ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:476:1: ( ( rule__SingleDefinition__TermsAssignment ) ) ( ( rule__SingleDefinition__TermsAssignment )* )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:476:1: ( ( rule__SingleDefinition__TermsAssignment ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:477:1: ( rule__SingleDefinition__TermsAssignment )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getSingleDefinitionAccess().getTermsAssignment()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:478:1: ( rule__SingleDefinition__TermsAssignment )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:478:2: rule__SingleDefinition__TermsAssignment
+            {
+            pushFollow(FOLLOW_rule__SingleDefinition__TermsAssignment_in_ruleSingleDefinition966);
             rule__SingleDefinition__TermsAssignment();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getSingleDefinitionAccess().getTermsAssignment()); 
-
-            }
-
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:479:1: ( ( rule__SingleDefinition__TermsAssignment )* )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:480:1: ( rule__SingleDefinition__TermsAssignment )*
-            {
-             before(grammarAccess.getSingleDefinitionAccess().getTermsAssignment()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:481:1: ( rule__SingleDefinition__TermsAssignment )*
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getSingleDefinitionAccess().getTermsAssignment()); 
+            }
+
+            }
+
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:481:1: ( ( rule__SingleDefinition__TermsAssignment )* )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:482:1: ( rule__SingleDefinition__TermsAssignment )*
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getSingleDefinitionAccess().getTermsAssignment()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:483:1: ( rule__SingleDefinition__TermsAssignment )*
             loop2:
             do {
@@ -1318 +1538 @@
                 switch (alt2) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:481:2: rule__SingleDefinition__TermsAssignment
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:483:2: rule__SingleDefinition__TermsAssignment
                     {
-                    pushFollow(FOLLOW_rule__SingleDefinition__TermsAssignment_in_ruleSingleDefinition965);
+                    pushFollow(FOLLOW_rule__SingleDefinition__TermsAssignment_in_ruleSingleDefinition978);
                     rule__SingleDefinition__TermsAssignment();
 
                     state._fsp--;
-
+                    if (state.failed) return ;
 
                     }
@@ -1334 +1554 @@
             } while (true);
 
-             after(grammarAccess.getSingleDefinitionAccess().getTermsAssignment()); 
-
-            }
-
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getSingleDefinitionAccess().getTermsAssignment()); 
+            }
+
+            }
+
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 30, ruleSingleDefinition_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1360 +1583 @@
 
     // $ANTLR start "entryRuleTerm"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:494:1: entryRuleTerm : ruleTerm EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:496:1: entryRuleTerm : ruleTerm EOF ;
     public final void entryRuleTerm() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:495:1: ( ruleTerm EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:496:1: ruleTerm EOF
-            {
-             before(grammarAccess.getTermRule()); 
-            pushFollow(FOLLOW_ruleTerm_in_entryRuleTerm995);
+        int entryRuleTerm_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 31) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:497:1: ( ruleTerm EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:498:1: ruleTerm EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getTermRule()); 
+            }
+            pushFollow(FOLLOW_ruleTerm_in_entryRuleTerm1008);
             ruleTerm();
 
             state._fsp--;
-
-             after(grammarAccess.getTermRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleTerm1002); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getTermRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleTerm1015); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 31, entryRuleTerm_StartIndex); }
         }
         return ;
@@ -1390 +1620 @@
 
     // $ANTLR start "ruleTerm"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:503:1: ruleTerm : ( ( rule__Term__Alternatives ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:505:1: ruleTerm : ( ( rule__Term__Alternatives ) ) ;
     public final void ruleTerm() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:507:2: ( ( ( rule__Term__Alternatives ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:508:1: ( ( rule__Term__Alternatives ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:508:1: ( ( rule__Term__Alternatives ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:509:1: ( rule__Term__Alternatives )
-            {
-             before(grammarAccess.getTermAccess().getAlternatives()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:510:1: ( rule__Term__Alternatives )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:510:2: rule__Term__Alternatives
-            {
-            pushFollow(FOLLOW_rule__Term__Alternatives_in_ruleTerm1028);
+        int ruleTerm_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 32) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:509:2: ( ( ( rule__Term__Alternatives ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:510:1: ( ( rule__Term__Alternatives ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:510:1: ( ( rule__Term__Alternatives ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:511:1: ( rule__Term__Alternatives )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getTermAccess().getAlternatives()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:512:1: ( rule__Term__Alternatives )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:512:2: rule__Term__Alternatives
+            {
+            pushFollow(FOLLOW_rule__Term__Alternatives_in_ruleTerm1041);
             rule__Term__Alternatives();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getTermAccess().getAlternatives()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getTermAccess().getAlternatives()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 32, ruleTerm_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1437 +1674 @@
 
     // $ANTLR start "entryRuleAtom"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:522:1: entryRuleAtom : ruleAtom EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:524:1: entryRuleAtom : ruleAtom EOF ;
     public final void entryRuleAtom() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:523:1: ( ruleAtom EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:524:1: ruleAtom EOF
-            {
-             before(grammarAccess.getAtomRule()); 
-            pushFollow(FOLLOW_ruleAtom_in_entryRuleAtom1055);
+        int entryRuleAtom_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 33) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:525:1: ( ruleAtom EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:526:1: ruleAtom EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getAtomRule()); 
+            }
+            pushFollow(FOLLOW_ruleAtom_in_entryRuleAtom1068);
             ruleAtom();
 
             state._fsp--;
-
-             after(grammarAccess.getAtomRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleAtom1062); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getAtomRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleAtom1075); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 33, entryRuleAtom_StartIndex); }
         }
         return ;
@@ -1467 +1711 @@
 
     // $ANTLR start "ruleAtom"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:531:1: ruleAtom : ( ( rule__Atom__Alternatives ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:533:1: ruleAtom : ( ( rule__Atom__Alternatives ) ) ;
     public final void ruleAtom() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:535:2: ( ( ( rule__Atom__Alternatives ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:536:1: ( ( rule__Atom__Alternatives ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:536:1: ( ( rule__Atom__Alternatives ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:537:1: ( rule__Atom__Alternatives )
-            {
-             before(grammarAccess.getAtomAccess().getAlternatives()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:538:1: ( rule__Atom__Alternatives )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:538:2: rule__Atom__Alternatives
-            {
-            pushFollow(FOLLOW_rule__Atom__Alternatives_in_ruleAtom1088);
+        int ruleAtom_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 34) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:537:2: ( ( ( rule__Atom__Alternatives ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:538:1: ( ( rule__Atom__Alternatives ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:538:1: ( ( rule__Atom__Alternatives ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:539:1: ( rule__Atom__Alternatives )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getAtomAccess().getAlternatives()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:540:1: ( rule__Atom__Alternatives )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:540:2: rule__Atom__Alternatives
+            {
+            pushFollow(FOLLOW_rule__Atom__Alternatives_in_ruleAtom1101);
             rule__Atom__Alternatives();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getAtomAccess().getAlternatives()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getAtomAccess().getAlternatives()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 34, ruleAtom_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1514 +1765 @@
 
     // $ANTLR start "entryRuleRuleReference"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:550:1: entryRuleRuleReference : ruleRuleReference EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:552:1: entryRuleRuleReference : ruleRuleReference EOF ;
     public final void entryRuleRuleReference() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:551:1: ( ruleRuleReference EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:552:1: ruleRuleReference EOF
-            {
-             before(grammarAccess.getRuleReferenceRule()); 
-            pushFollow(FOLLOW_ruleRuleReference_in_entryRuleRuleReference1115);
+        int entryRuleRuleReference_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 35) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:553:1: ( ruleRuleReference EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:554:1: ruleRuleReference EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getRuleReferenceRule()); 
+            }
+            pushFollow(FOLLOW_ruleRuleReference_in_entryRuleRuleReference1128);
             ruleRuleReference();
 
             state._fsp--;
-
-             after(grammarAccess.getRuleReferenceRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleRuleReference1122); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getRuleReferenceRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleRuleReference1135); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 35, entryRuleRuleReference_StartIndex); }
         }
         return ;
@@ -1544 +1802 @@
 
     // $ANTLR start "ruleRuleReference"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:559:1: ruleRuleReference : ( ( rule__RuleReference__RulerefAssignment ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:561:1: ruleRuleReference : ( ( rule__RuleReference__RulerefAssignment ) ) ;
     public final void ruleRuleReference() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:563:2: ( ( ( rule__RuleReference__RulerefAssignment ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:564:1: ( ( rule__RuleReference__RulerefAssignment ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:564:1: ( ( rule__RuleReference__RulerefAssignment ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:565:1: ( rule__RuleReference__RulerefAssignment )
-            {
-             before(grammarAccess.getRuleReferenceAccess().getRulerefAssignment()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:566:1: ( rule__RuleReference__RulerefAssignment )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:566:2: rule__RuleReference__RulerefAssignment
-            {
-            pushFollow(FOLLOW_rule__RuleReference__RulerefAssignment_in_ruleRuleReference1148);
+        int ruleRuleReference_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 36) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:565:2: ( ( ( rule__RuleReference__RulerefAssignment ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:566:1: ( ( rule__RuleReference__RulerefAssignment ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:566:1: ( ( rule__RuleReference__RulerefAssignment ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:567:1: ( rule__RuleReference__RulerefAssignment )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getRuleReferenceAccess().getRulerefAssignment()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:568:1: ( rule__RuleReference__RulerefAssignment )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:568:2: rule__RuleReference__RulerefAssignment
+            {
+            pushFollow(FOLLOW_rule__RuleReference__RulerefAssignment_in_ruleRuleReference1161);
             rule__RuleReference__RulerefAssignment();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getRuleReferenceAccess().getRulerefAssignment()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getRuleReferenceAccess().getRulerefAssignment()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 36, ruleRuleReference_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1591 +1856 @@
 
     // $ANTLR start "entryRuleStringRule"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:578:1: entryRuleStringRule : ruleStringRule EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:580:1: entryRuleStringRule : ruleStringRule EOF ;
     public final void entryRuleStringRule() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:579:1: ( ruleStringRule EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:580:1: ruleStringRule EOF
-            {
-             before(grammarAccess.getStringRuleRule()); 
-            pushFollow(FOLLOW_ruleStringRule_in_entryRuleStringRule1175);
+        int entryRuleStringRule_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 37) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:581:1: ( ruleStringRule EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:582:1: ruleStringRule EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getStringRuleRule()); 
+            }
+            pushFollow(FOLLOW_ruleStringRule_in_entryRuleStringRule1188);
             ruleStringRule();
 
             state._fsp--;
-
-             after(grammarAccess.getStringRuleRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleStringRule1182); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getStringRuleRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleStringRule1195); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 37, entryRuleStringRule_StartIndex); }
         }
         return ;
@@ -1621 +1893 @@
 
     // $ANTLR start "ruleStringRule"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:587:1: ruleStringRule : ( ( rule__StringRule__Alternatives ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:589:1: ruleStringRule : ( ( rule__StringRule__Alternatives ) ) ;
     public final void ruleStringRule() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:591:2: ( ( ( rule__StringRule__Alternatives ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:592:1: ( ( rule__StringRule__Alternatives ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:592:1: ( ( rule__StringRule__Alternatives ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:593:1: ( rule__StringRule__Alternatives )
-            {
-             before(grammarAccess.getStringRuleAccess().getAlternatives()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:594:1: ( rule__StringRule__Alternatives )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:594:2: rule__StringRule__Alternatives
-            {
-            pushFollow(FOLLOW_rule__StringRule__Alternatives_in_ruleStringRule1208);
+        int ruleStringRule_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 38) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:593:2: ( ( ( rule__StringRule__Alternatives ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:594:1: ( ( rule__StringRule__Alternatives ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:594:1: ( ( rule__StringRule__Alternatives ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:595:1: ( rule__StringRule__Alternatives )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getStringRuleAccess().getAlternatives()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:596:1: ( rule__StringRule__Alternatives )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:596:2: rule__StringRule__Alternatives
+            {
+            pushFollow(FOLLOW_rule__StringRule__Alternatives_in_ruleStringRule1221);
             rule__StringRule__Alternatives();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getStringRuleAccess().getAlternatives()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getStringRuleAccess().getAlternatives()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 38, ruleStringRule_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1668 +1947 @@
 
     // $ANTLR start "entryRuleGroupedSequence"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:606:1: entryRuleGroupedSequence : ruleGroupedSequence EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:608:1: entryRuleGroupedSequence : ruleGroupedSequence EOF ;
     public final void entryRuleGroupedSequence() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:607:1: ( ruleGroupedSequence EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:608:1: ruleGroupedSequence EOF
-            {
-             before(grammarAccess.getGroupedSequenceRule()); 
-            pushFollow(FOLLOW_ruleGroupedSequence_in_entryRuleGroupedSequence1235);
+        int entryRuleGroupedSequence_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 39) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:609:1: ( ruleGroupedSequence EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:610:1: ruleGroupedSequence EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getGroupedSequenceRule()); 
+            }
+            pushFollow(FOLLOW_ruleGroupedSequence_in_entryRuleGroupedSequence1248);
             ruleGroupedSequence();
 
             state._fsp--;
-
-             after(grammarAccess.getGroupedSequenceRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleGroupedSequence1242); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getGroupedSequenceRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleGroupedSequence1255); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 39, entryRuleGroupedSequence_StartIndex); }
         }
         return ;
@@ -1698 +1984 @@
 
     // $ANTLR start "ruleGroupedSequence"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:615:1: ruleGroupedSequence : ( ( rule__GroupedSequence__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:617:1: ruleGroupedSequence : ( ( rule__GroupedSequence__Group__0 ) ) ;
     public final void ruleGroupedSequence() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:619:2: ( ( ( rule__GroupedSequence__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:620:1: ( ( rule__GroupedSequence__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:620:1: ( ( rule__GroupedSequence__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:621:1: ( rule__GroupedSequence__Group__0 )
-            {
-             before(grammarAccess.getGroupedSequenceAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:622:1: ( rule__GroupedSequence__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:622:2: rule__GroupedSequence__Group__0
-            {
-            pushFollow(FOLLOW_rule__GroupedSequence__Group__0_in_ruleGroupedSequence1268);
+        int ruleGroupedSequence_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 40) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:621:2: ( ( ( rule__GroupedSequence__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:622:1: ( ( rule__GroupedSequence__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:622:1: ( ( rule__GroupedSequence__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:623:1: ( rule__GroupedSequence__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getGroupedSequenceAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:624:1: ( rule__GroupedSequence__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:624:2: rule__GroupedSequence__Group__0
+            {
+            pushFollow(FOLLOW_rule__GroupedSequence__Group__0_in_ruleGroupedSequence1281);
             rule__GroupedSequence__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getGroupedSequenceAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getGroupedSequenceAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 40, ruleGroupedSequence_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1745 +2038 @@
 
     // $ANTLR start "entryRuleOptionalSequence"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:634:1: entryRuleOptionalSequence : ruleOptionalSequence EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:636:1: entryRuleOptionalSequence : ruleOptionalSequence EOF ;
     public final void entryRuleOptionalSequence() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:635:1: ( ruleOptionalSequence EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:636:1: ruleOptionalSequence EOF
-            {
-             before(grammarAccess.getOptionalSequenceRule()); 
-            pushFollow(FOLLOW_ruleOptionalSequence_in_entryRuleOptionalSequence1295);
+        int entryRuleOptionalSequence_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 41) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:637:1: ( ruleOptionalSequence EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:638:1: ruleOptionalSequence EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getOptionalSequenceRule()); 
+            }
+            pushFollow(FOLLOW_ruleOptionalSequence_in_entryRuleOptionalSequence1308);
             ruleOptionalSequence();
 
             state._fsp--;
-
-             after(grammarAccess.getOptionalSequenceRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleOptionalSequence1302); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getOptionalSequenceRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleOptionalSequence1315); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 41, entryRuleOptionalSequence_StartIndex); }
         }
         return ;
@@ -1775 +2075 @@
 
     // $ANTLR start "ruleOptionalSequence"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:643:1: ruleOptionalSequence : ( ( rule__OptionalSequence__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:645:1: ruleOptionalSequence : ( ( rule__OptionalSequence__Group__0 ) ) ;
     public final void ruleOptionalSequence() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:647:2: ( ( ( rule__OptionalSequence__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:648:1: ( ( rule__OptionalSequence__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:648:1: ( ( rule__OptionalSequence__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:649:1: ( rule__OptionalSequence__Group__0 )
-            {
-             before(grammarAccess.getOptionalSequenceAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:650:1: ( rule__OptionalSequence__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:650:2: rule__OptionalSequence__Group__0
-            {
-            pushFollow(FOLLOW_rule__OptionalSequence__Group__0_in_ruleOptionalSequence1328);
+        int ruleOptionalSequence_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 42) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:649:2: ( ( ( rule__OptionalSequence__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:650:1: ( ( rule__OptionalSequence__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:650:1: ( ( rule__OptionalSequence__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:651:1: ( rule__OptionalSequence__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getOptionalSequenceAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:652:1: ( rule__OptionalSequence__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:652:2: rule__OptionalSequence__Group__0
+            {
+            pushFollow(FOLLOW_rule__OptionalSequence__Group__0_in_ruleOptionalSequence1341);
             rule__OptionalSequence__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getOptionalSequenceAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getOptionalSequenceAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 42, ruleOptionalSequence_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1822 +2129 @@
 
     // $ANTLR start "entryRuleRepeatedSequence"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:662:1: entryRuleRepeatedSequence : ruleRepeatedSequence EOF ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:664:1: entryRuleRepeatedSequence : ruleRepeatedSequence EOF ;
     public final void entryRuleRepeatedSequence() throws RecognitionException {
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:663:1: ( ruleRepeatedSequence EOF )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:664:1: ruleRepeatedSequence EOF
-            {
-             before(grammarAccess.getRepeatedSequenceRule()); 
-            pushFollow(FOLLOW_ruleRepeatedSequence_in_entryRuleRepeatedSequence1355);
+        int entryRuleRepeatedSequence_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 43) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:665:1: ( ruleRepeatedSequence EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:666:1: ruleRepeatedSequence EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getRepeatedSequenceRule()); 
+            }
+            pushFollow(FOLLOW_ruleRepeatedSequence_in_entryRuleRepeatedSequence1368);
             ruleRepeatedSequence();
 
             state._fsp--;
-
-             after(grammarAccess.getRepeatedSequenceRule()); 
-            match(input,EOF,FOLLOW_EOF_in_entryRuleRepeatedSequence1362); 
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getRepeatedSequenceRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleRepeatedSequence1375); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 43, entryRuleRepeatedSequence_StartIndex); }
         }
         return ;
@@ -1852 +2166 @@
 
     // $ANTLR start "ruleRepeatedSequence"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:671:1: ruleRepeatedSequence : ( ( rule__RepeatedSequence__Group__0 ) ) ;
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:673:1: ruleRepeatedSequence : ( ( rule__RepeatedSequence__Group__0 ) ) ;
     public final void ruleRepeatedSequence() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:675:2: ( ( ( rule__RepeatedSequence__Group__0 ) ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:676:1: ( ( rule__RepeatedSequence__Group__0 ) )
-            {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:676:1: ( ( rule__RepeatedSequence__Group__0 ) )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:677:1: ( rule__RepeatedSequence__Group__0 )
-            {
-             before(grammarAccess.getRepeatedSequenceAccess().getGroup()); 
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:678:1: ( rule__RepeatedSequence__Group__0 )
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:678:2: rule__RepeatedSequence__Group__0
-            {
-            pushFollow(FOLLOW_rule__RepeatedSequence__Group__0_in_ruleRepeatedSequence1388);
+        int ruleRepeatedSequence_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 44) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:677:2: ( ( ( rule__RepeatedSequence__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:678:1: ( ( rule__RepeatedSequence__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:678:1: ( ( rule__RepeatedSequence__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:679:1: ( rule__RepeatedSequence__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getRepeatedSequenceAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:680:1: ( rule__RepeatedSequence__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:680:2: rule__RepeatedSequence__Group__0
+            {
+            pushFollow(FOLLOW_rule__RepeatedSequence__Group__0_in_ruleRepeatedSequence1401);
             rule__RepeatedSequence__Group__0();
 
             state._fsp--;
-
-
-            }
-
-             after(grammarAccess.getRepeatedSequenceAccess().getGroup()); 
-
-            }
-
-
-            }
-
-        }
-        catch (RecognitionException re) {
-            reportError(re);
-            recover(input,re);
-        }
-        finally {
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getRepeatedSequenceAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 44, ruleRepeatedSequence_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -1898 +2219 @@
 
 
+    // $ANTLR start "entryRuleRepeatRange"
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:692:1: entryRuleRepeatRange : ruleRepeatRange EOF ;
+    public final void entryRuleRepeatRange() throws RecognitionException {
+        int entryRuleRepeatRange_StartIndex = input.index();
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 45) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:693:1: ( ruleRepeatRange EOF )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:694:1: ruleRepeatRange EOF
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getRepeatRangeRule()); 
+            }
+            pushFollow(FOLLOW_ruleRepeatRange_in_entryRuleRepeatRange1428);
+            ruleRepeatRange();
+
+            state._fsp--;
+            if (state.failed) return ;
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getRepeatRangeRule()); 
+            }
+            match(input,EOF,FOLLOW_EOF_in_entryRuleRepeatRange1435); if (state.failed) return ;
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 45, entryRuleRepeatRange_StartIndex); }
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleRepeatRange"
+
+
+    // $ANTLR start "ruleRepeatRange"
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:701:1: ruleRepeatRange : ( ( rule__RepeatRange__Group__0 ) ) ;
+    public final void ruleRepeatRange() throws RecognitionException {
+        int ruleRepeatRange_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 46) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:705:2: ( ( ( rule__RepeatRange__Group__0 ) ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:706:1: ( ( rule__RepeatRange__Group__0 ) )
+            {
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:706:1: ( ( rule__RepeatRange__Group__0 ) )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:707:1: ( rule__RepeatRange__Group__0 )
+            {
+            if ( state.backtracking==0 ) {
+               before(grammarAccess.getRepeatRangeAccess().getGroup()); 
+            }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:708:1: ( rule__RepeatRange__Group__0 )
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:708:2: rule__RepeatRange__Group__0
+            {
+            pushFollow(FOLLOW_rule__RepeatRange__Group__0_in_ruleRepeatRange1461);
+            rule__RepeatRange__Group__0();
+
+            state._fsp--;
+            if (state.failed) return ;
+
+            }
+
+            if ( state.backtracking==0 ) {
+               after(grammarAccess.getRepeatRangeAccess().getGroup()); 
+            }
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+            if ( state.backtracking>0 ) { memoize(input, 46, ruleRepeatRange_StartIndex); }
+
+                restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleRepeatRange"
+
+
     // $ANTLR start "rule__EtsiBnf__Alternatives"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:690:1: rule__EtsiBnf__Alternatives : ( ( ( rule__EtsiBnf__Group_0__0 ) ) | ( ( rule__EtsiBnf__Group_1__0 ) ) | ( ( rule__EtsiBnf__Group_2__0 ) ) );
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:720:1: rule__EtsiBnf__Alternatives : ( ( ( rule__EtsiBnf__Group_0__0 ) ) | ( ( rule__EtsiBnf__Group_1__0 ) ) | ( ( rule__EtsiBnf__Group_2__0 ) ) );
     public final void rule__EtsiBnf__Alternatives() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:694:1: ( ( ( rule__EtsiBnf__Group_0__0 ) ) | ( ( rule__EtsiBnf__Group_1__0 ) ) | ( ( rule__EtsiBnf__Group_2__0 ) ) )
+        int rule__EtsiBnf__Alternatives_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 47) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:724:1: ( ( ( rule__EtsiBnf__Group_0__0 ) ) | ( ( rule__EtsiBnf__Group_1__0 ) ) | ( ( rule__EtsiBnf__Group_2__0 ) ) )
             int alt3=3;
             switch ( input.LA(1) ) {
@@ -1913 +2327 @@
                 }
                 break;
-            case 35:
+            case 37:
                 {
                 alt3=2;
                 }
                 break;
-            case 36:
+            case 38:
                 {
                 alt3=3;
@@ -1924 +2338 @@
                 break;
             default:
+                if (state.backtracking>0) {state.failed=true; return ;}
                 NoViableAltException nvae =
                     new NoViableAltException("", 3, 0, input);
@@ -1932 +2347 @@
             switch (alt3) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:695:1: ( ( rule__EtsiBnf__Group_0__0 ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:725:1: ( ( rule__EtsiBnf__Group_0__0 ) )
                     {
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:695:1: ( ( rule__EtsiBnf__Group_0__0 ) )
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:696:1: ( rule__EtsiBnf__Group_0__0 )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:725:1: ( ( rule__EtsiBnf__Group_0__0 ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:726:1: ( rule__EtsiBnf__Group_0__0 )
                     {
-                     before(grammarAccess.getEtsiBnfAccess().getGroup_0()); 
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:697:1: ( rule__EtsiBnf__Group_0__0 )
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:697:2: rule__EtsiBnf__Group_0__0
+                    if ( state.backtracking==0 ) {
+                       before(grammarAccess.getEtsiBnfAccess().getGroup_0()); 
+                    }
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:727:1: ( rule__EtsiBnf__Group_0__0 )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:727:2: rule__EtsiBnf__Group_0__0
                     {
-                    pushFollow(FOLLOW_rule__EtsiBnf__Group_0__0_in_rule__EtsiBnf__Alternatives1424);
+                    pushFollow(FOLLOW_rule__EtsiBnf__Group_0__0_in_rule__EtsiBnf__Alternatives1497);
                     rule__EtsiBnf__Group_0__0();
 
                     state._fsp--;
-
-
-                    }
-
-                     after(grammarAccess.getEtsiBnfAccess().getGroup_0()); 
+                    if (state.failed) return ;
+
+                    }
+
+                    if ( state.backtracking==0 ) {
+                       after(grammarAccess.getEtsiBnfAccess().getGroup_0()); 
+                    }
 
                     }
@@ -1957 +2376 @@
                     break;
                 case 2 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:701:6: ( ( rule__EtsiBnf__Group_1__0 ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:731:6: ( ( rule__EtsiBnf__Group_1__0 ) )
                     {
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:701:6: ( ( rule__EtsiBnf__Group_1__0 ) )
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:702:1: ( rule__EtsiBnf__Group_1__0 )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:731:6: ( ( rule__EtsiBnf__Group_1__0 ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:732:1: ( rule__EtsiBnf__Group_1__0 )
                     {
-                     before(grammarAccess.getEtsiBnfAccess().getGroup_1()); 
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:703:1: ( rule__EtsiBnf__Group_1__0 )
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:703:2: rule__EtsiBnf__Group_1__0
+                    if ( state.backtracking==0 ) {
+                       before(grammarAccess.getEtsiBnfAccess().getGroup_1()); 
+                    }
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:733:1: ( rule__EtsiBnf__Group_1__0 )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:733:2: rule__EtsiBnf__Group_1__0
                     {
-                    pushFollow(FOLLOW_rule__EtsiBnf__Group_1__0_in_rule__EtsiBnf__Alternatives1442);
+                    pushFollow(FOLLOW_rule__EtsiBnf__Group_1__0_in_rule__EtsiBnf__Alternatives1515);
                     rule__EtsiBnf__Group_1__0();
 
                     state._fsp--;
-
-
-                    }
-
-                     after(grammarAccess.getEtsiBnfAccess().getGroup_1()); 
+                    if (state.failed) return ;
+
+                    }
+
+                    if ( state.backtracking==0 ) {
+                       after(grammarAccess.getEtsiBnfAccess().getGroup_1()); 
+                    }
 
                     }
@@ -1982 +2405 @@
                     break;
                 case 3 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:707:6: ( ( rule__EtsiBnf__Group_2__0 ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:737:6: ( ( rule__EtsiBnf__Group_2__0 ) )
                     {
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:707:6: ( ( rule__EtsiBnf__Group_2__0 ) )
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:708:1: ( rule__EtsiBnf__Group_2__0 )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:737:6: ( ( rule__EtsiBnf__Group_2__0 ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:738:1: ( rule__EtsiBnf__Group_2__0 )
                     {
-                     before(grammarAccess.getEtsiBnfAccess().getGroup_2()); 
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:709:1: ( rule__EtsiBnf__Group_2__0 )
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:709:2: rule__EtsiBnf__Group_2__0
+                    if ( state.backtracking==0 ) {
+                       before(grammarAccess.getEtsiBnfAccess().getGroup_2()); 
+                    }
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:739:1: ( rule__EtsiBnf__Group_2__0 )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:739:2: rule__EtsiBnf__Group_2__0
                     {
-                    pushFollow(FOLLOW_rule__EtsiBnf__Group_2__0_in_rule__EtsiBnf__Alternatives1460);
+                    pushFollow(FOLLOW_rule__EtsiBnf__Group_2__0_in_rule__EtsiBnf__Alternatives1533);
                     rule__EtsiBnf__Group_2__0();
 
                     state._fsp--;
-
-
-                    }
-
-                     after(grammarAccess.getEtsiBnfAccess().getGroup_2()); 
+                    if (state.failed) return ;
+
+                    }
+
+                    if ( state.backtracking==0 ) {
+                       after(grammarAccess.getEtsiBnfAccess().getGroup_2()); 
+                    }
 
                     }
@@ -2014 +2441 @@
         }
         finally {
+            if ( state.backtracking>0 ) { memoize(input, 47, rule__EtsiBnf__Alternatives_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -2024 +2452 @@
 
     // $ANTLR start "rule__BnfEntry__Alternatives"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:718:1: rule__BnfEntry__Alternatives : ( ( ( rule__BnfEntry__SectionheaderAssignment_0 ) ) | ( ( rule__BnfEntry__RuleAssignment_1 ) ) );
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:748:1: rule__BnfEntry__Alternatives : ( ( ( rule__BnfEntry__SectionheaderAssignment_0 ) ) | ( ( rule__BnfEntry__RuleAssignment_1 ) ) );
     public final void rule__BnfEntry__Alternatives() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:722:1: ( ( ( rule__BnfEntry__SectionheaderAssignment_0 ) ) | ( ( rule__BnfEntry__RuleAssignment_1 ) ) )
+        int rule__BnfEntry__Alternatives_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 48) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:752:1: ( ( ( rule__BnfEntry__SectionheaderAssignment_0 ) ) | ( ( rule__BnfEntry__RuleAssignment_1 ) ) )
             int alt4=2;
             int LA4_0 = input.LA(1);
@@ -2041 +2471 @@
             }
             else {
+                if (state.backtracking>0) {state.failed=true; return ;}
                 NoViableAltException nvae =
                     new NoViableAltException("", 4, 0, input);
@@ -2048 +2479 @@
             switch (alt4) {
                 case 1 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:723:1: ( ( rule__BnfEntry__SectionheaderAssignment_0 ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:753:1: ( ( rule__BnfEntry__SectionheaderAssignment_0 ) )
                     {
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:723:1: ( ( rule__BnfEntry__SectionheaderAssignment_0 ) )
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:724:1: ( rule__BnfEntry__SectionheaderAssignment_0 )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:753:1: ( ( rule__BnfEntry__SectionheaderAssignment_0 ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:754:1: ( rule__BnfEntry__SectionheaderAssignment_0 )
                     {
-                     before(grammarAccess.getBnfEntryAccess().getSectionheaderAssignment_0()); 
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:725:1: ( rule__BnfEntry__SectionheaderAssignment_0 )
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:725:2: rule__BnfEntry__SectionheaderAssignment_0
+                    if ( state.backtracking==0 ) {
+                       before(grammarAccess.getBnfEntryAccess().getSectionheaderAssignment_0()); 
+                    }
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:755:1: ( rule__BnfEntry__SectionheaderAssignment_0 )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:755:2: rule__BnfEntry__SectionheaderAssignment_0
                     {
-                    pushFollow(FOLLOW_rule__BnfEntry__SectionheaderAssignment_0_in_rule__BnfEntry__Alternatives1493);
+                    pushFollow(FOLLOW_rule__BnfEntry__SectionheaderAssignment_0_in_rule__BnfEntry__Alternatives1566);
                     rule__BnfEntry__SectionheaderAssignment_0();
 
                     state._fsp--;
-
-
-                    }
-
-                     after(grammarAccess.getBnfEntryAccess().getSectionheaderAssignment_0()); 
+                    if (state.failed) return ;
+
+                    }
+
+                    if ( state.backtracking==0 ) {
+                       after(grammarAccess.getBnfEntryAccess().getSectionheaderAssignment_0()); 
+                    }
 
                     }
@@ -2073 +2508 @@
                     break;
                 case 2 :
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:729:6: ( ( rule__BnfEntry__RuleAssignment_1 ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:759:6: ( ( rule__BnfEntry__RuleAssignment_1 ) )
                     {
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:729:6: ( ( rule__BnfEntry__RuleAssignment_1 ) )
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:730:1: ( rule__BnfEntry__RuleAssignment_1 )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:759:6: ( ( rule__BnfEntry__RuleAssignment_1 ) )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:760:1: ( rule__BnfEntry__RuleAssignment_1 )
                     {
-                     before(grammarAccess.getBnfEntryAccess().getRuleAssignment_1()); 
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:731:1: ( rule__BnfEntry__RuleAssignment_1 )
-                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:731:2: rule__BnfEntry__RuleAssignment_1
+                    if ( state.backtracking==0 ) {
+                       before(grammarAccess.getBnfEntryAccess().getRuleAssignment_1()); 
+                    }
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:761:1: ( rule__BnfEntry__RuleAssignment_1 )
+                    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:761:2: rule__BnfEntry__RuleAssignment_1
                     {
-                    pushFollow(FOLLOW_rule__BnfEntry__RuleAssignment_1_in_rule__BnfEntry__Alternatives1511);
+                    pushFollow(FOLLOW_rule__BnfEntry__RuleAssignment_1_in_rule__BnfEntry__Alternatives1584);
                     rule__BnfEntry__RuleAssignment_1();
 
                     state._fsp--;
-
-
-                    }
-
-                     after(grammarAccess.getBnfEntryAccess().getRuleAssignment_1()); 
+                    if (state.failed) return ;
+
+                    }
+
+                    if ( state.backtracking==0 ) {
+                       after(grammarAccess.getBnfEntryAccess().getRuleAssignment_1()); 
+                    }
 
                     }
@@ -2105 +2544 @@
         }
         finally {
+            if ( state.backtracking>0 ) { memoize(input, 48, rule__BnfEntry__Alternatives_StartIndex); }
 
                 restoreStackSize(stackSize);
@@ -2115 +2555 @@
 
     // $ANTLR start "rule__DeltaEntry__Alternatives"
-    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:740:1: rule__DeltaEntry__Alternatives : ( ( ( rule__DeltaEntry__RuleAssignment_0 ) ) | ( ( rule__DeltaEntry__SectionheaderAssignment_1 ) ) | ( ( rule__DeltaEntry__ExtRuleAssignment_2 ) ) );
+    // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:770:1: rule__DeltaEntry__Alternatives : ( ( ( rule__DeltaEntry__RuleAssignment_0 ) ) | ( ( rule__DeltaEntry__SectionheaderAssignment_1 ) ) | ( ( rule__DeltaEntry__ExtRuleAssignment_2 ) ) );
     public final void rule__DeltaEntry__Alternatives() throws RecognitionException {
-
-                        int stackSize = keepStackSize();
-            
-        try {
-            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:744:1: ( ( ( rule__DeltaEntry__RuleAssignment_0 ) ) | ( ( rule__DeltaEntry__SectionheaderAssignment_1 ) ) | ( ( rule__DeltaEntry__ExtRuleAssignment_2 ) ) )
+        int rule__DeltaEntry__Alternatives_StartIndex = input.index();
+
+                        int stackSize = keepStackSize();
+            
+        try {
+            if ( state.backtracking>0 && alreadyParsedRule(input, 49) ) { return ; }
+            // ../de.ugoe.cs.swe.bnftools.ebnf.ui/src-gen/de/ugoe/cs/swe/bnftools/ui/contentassist/antlr/internal/InternalEbnf.g:774:1: ( ( ( rule__DeltaEntry__RuleAssignment_0 ) ) | ( ( rule__DeltaEntry__SectionheaderAssignment_1 ) ) | ( ( rule__DeltaEntry__ExtRuleAssignment_2 ) ) )
             int alt5=3;
             switch ( input.LA(1) ) {
@@ -2137 +2579 @@
                             int LA5_2 = input.LA(5);
 
-                            if ( (LA5_2==27) ) {
+                            if ( (LA5_2==17) ) {
+                                alt5=3;
+                            }
+                            else if ( (LA5_2==27) ) {
                                 alt5=1;
                             }
-                            else if ( (LA5_2==17) ) {
-                                alt5=3;
-                            }
                             else {
+                                if (state.backtracking>0) {state.failed=true; return ;}
                                 NoViableAltException nvae =
                                     new NoViableAltException("", 5, 2, input);
@@ -2151 +2594 @@
                         }
                         else {
+                            if (state.backtracking>0) {state.failed=true; return ;}
                             NoViableAltException nvae =
                                 new NoViableAltException("", 5, 5, input);
@@ -2158 +2602 @@
                     }
                     else {
+                        if (state.backtracking>0) {state.failed=true; return ;}
                         NoViableAltException nvae =
                             new NoViableAltException("", 5, 4, input);
@@ -2170 +2615 @@
                         int LA5_2 = input.LA(4);
 
-                        if ( (LA5_2==27) ) {
+                        if ( (LA5_2==17) ) {
+                            alt5=3;
+                        }
+                        else if ( (LA5_2==27) ) {
                             alt5=1;
                         }
-                        else if ( (LA5_2==17) ) {
-                            alt5=3;
-                        }
                         else {
+                            if (state.backtracking>0) {state.failed=true; return ;}
                             NoViableAltException nvae =
                                 new NoViableAltException("", 5, 2, input);
@@ -2184 +2630 @@
                     }
                     else {
+                        if (state.backtracking>0) {state.failed=true; return ;}
                         NoViableAltException nvae =
                             new NoViableAltException("", 5, 5, input);
@@ -2191 +2638 @@
                 }
                 else {
+                    if (state.backtracking>0) {state.failed=true; return ;}
                     NoViableAltException nvae =
                         new NoViableAltException("", 5, 1, input);
@@ -2202 +2650 @@
                 int LA5_2 = input.LA(2);
 
-                if ( (LA5_2==27) ) {
+                if ( (LA5_2==17) ) {
+                    alt5=3;
+                }
+                else if ( (LA5_2==27) ) {
                     alt5=1;
                 }
-                else if ( (LA5_2==17) ) {
-                    alt5=3;
-                }
                 else {
+                    if (state.backtracking>0) {state.failed=true; return ;}
                     NoViableAltException nvae =
                         new NoViableAltException("", 5, 2, input);
@@ -2222 +2671 @@
                 break;
             default:
+                if (state.backtracking>0) {state.failed=true; return ;}
                 NoViableAltException nvae =
                     new NoViableAltException("", 5, 0, input);