// This file is automatically generated by DemeterJ.

DisplayVisitor {
  {{
    protected java.io.PrintWriter out = new java.io.PrintWriter(System.out, true);
    java.io.PrintWriter get_out()             { return out; }
    void set_out(java.io.PrintWriter new_out) { out = new_out; }
    DisplayVisitor(java.io.PrintWriter out)     { set_out(out); }
    DisplayVisitor(java.io.PrintStream out)
      { set_out(new java.io.PrintWriter(out, true)); }
  }}
  finish {{ out.flush(); }}


  before Main {{
    out.print(": Main  (");
    indent++;
  }}
  after Main {{
    out.print(" )");
    indent--;
  }}
  before Input {{
    out.print(": Input  (");
    indent++;
  }}
  after Input {{
    out.print(" )");
    indent--;
  }}
  before -> Input, classgraphh, ClassGraphh {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<classgraphh> ");
  }}
  before -> Input, syntaxenhancement, SyntaxEnhancement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<syntaxenhancement> ");
  }}
  before ClassGraphh {{
    out.print(": ClassGraphh  (");
    indent++;
  }}
  after ClassGraphh {{
    out.print(" )");
    indent--;
  }}
  before -> ClassGraphh, classes, Definition_DList {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<classes> ");
  }}
  before ClassDef {{
    out.print(": ClassDef  (");
    indent++;
  }}
  after ClassDef {{
    out.print(" )");
    indent--;
  }}
  before -> ClassDef, paramclassname, ParamClassName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<paramclassname> ");
  }}
  before -> ClassDef, classparts, ClassParts {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<classparts> ");
  }}
  before ParamClassName {{
    out.print(": ParamClassName  (");
    indent++;
  }}
  after ParamClassName {{
    out.print(" )");
    indent--;
  }}
  before -> ParamClassName, classname, ClassName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<classname> ");
  }}
  before -> ParamClassName, parameters, ClassName_Commalist {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<parameters> ");
  }}
  before -> ConstOrAltClass, parts, ClassElementWithSyntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<parts> ");
  }}
  before SandwichedClassElement {{
    out.print(": SandwichedClassElement  (");
    indent++;
  }}
  after SandwichedClassElement {{
    out.print(" )");
    indent--;
  }}
  before -> SandwichedClassElement, classelement_psandwich, ClassElement_PSandwich {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<classelement_psandwich> ");
  }}
  before Part {{
    out.print(": Part  (");
    indent++;
  }}
  after Part {{
    out.print(" )");
    indent--;
  }}
  before -> Part, partname, PartName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<partname> ");
  }}
  before -> Part, classspec, ClassSpec {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<classspec> ");
  }}
  before OptionalPart {{
    out.print(": OptionalPart  (");
    indent++;
  }}
  after OptionalPart {{
    out.print(" )");
    indent--;
  }}
  before -> OptionalPart, part, Part_Sandwich {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<part> ");
  }}
  before ConstructionClass {{
    out.print(": ConstructionClass  (");
    indent++;
  }}
  after ConstructionClass {{
    out.print(" )");
    indent--;
  }}
  before AlternationClass {{
    out.print(": AlternationClass  (");
    indent++;
  }}
  after AlternationClass {{
    out.print(" )");
    indent--;
  }}
  before -> AlternationClass, subclasses, ClassSpec_Barlist {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<subclasses> ");
  }}
  before RepetitionClass {{
    out.print(": RepetitionClass  (");
    indent++;
  }}
  after RepetitionClass {{
    out.print(" )");
    indent--;
  }}
  before -> RepetitionClass, sandwiched, RepeatedPart_Sandwich {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<sandwiched> ");
  }}
  before RepeatedPart {{
    out.print(": RepeatedPart  (");
    indent++;
  }}
  after RepeatedPart {{
    out.print(" )");
    indent--;
  }}
  before -> RepeatedPart, nonempty, ClassSpec {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<nonempty> ");
  }}
  before -> RepeatedPart, repeated, ClassSpec_Sandwich {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<repeated> ");
  }}
  before ClassSpec {{
    out.print(": ClassSpec  (");
    indent++;
  }}
  after ClassSpec {{
    out.print(" )");
    indent--;
  }}
  before -> ClassSpec, classname, ClassName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<classname> ");
  }}
  before -> ClassSpec, actual_parameters, ClassSpec_Commalist {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<actual_parameters> ");
  }}
  before SyntaxToken {{
    out.print(": SyntaxToken  (");
    indent++;
  }}
  after SyntaxToken {{
    out.print(" )");
    indent--;
  }}
  before -> SyntaxToken, string, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<string> ");
    out.print(" : String");
    out.print(" \"" + source.get_string() + "\" ");
  }}
  before PrintIndent {{
    out.print(": PrintIndent  (");
    indent++;
  }}
  after PrintIndent {{
    out.print(" )");
    indent--;
  }}
  before PrintUnindent {{
    out.print(": PrintUnindent  (");
    indent++;
  }}
  after PrintUnindent {{
    out.print(" )");
    indent--;
  }}
  before PrintSkip {{
    out.print(": PrintSkip  (");
    indent++;
  }}
  after PrintSkip {{
    out.print(" )");
    indent--;
  }}
  before PrintSpace {{
    out.print(": PrintSpace  (");
    indent++;
  }}
  after PrintSpace {{
    out.print(" )");
    indent--;
  }}
  before ClassName {{
    out.print(": ClassName  (");
    indent++;
  }}
  after ClassName {{
    out.print(" )");
    indent--;
  }}
  before -> ClassName, ident, Ident {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<ident> ");
    out.print(" : Ident");
    out.print(" \"" + source.get_ident() + "\"");
  }}
  before PartName {{
    out.print(": PartName  (");
    indent++;
  }}
  after PartName {{
    out.print(" )");
    indent--;
  }}
  before -> PartName, name, Ident {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<name> ");
    out.print(" : Ident");
    out.print(" \"" + source.get_name() + "\"");
  }}
  before SyntaxEnhancement {{
    out.print(": SyntaxEnhancement  (");
    indent++;
  }}
  after SyntaxEnhancement {{
    out.print(" )");
    indent--;
  }}
  before -> SyntaxEnhancement, enhancement_list, Enhancement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<enhancement_list> ");
  }}
  before Enhancement {{
    out.print(": Enhancement  (");
    indent++;
  }}
  after Enhancement {{
    out.print(" )");
    indent--;
  }}
  before -> Enhancement, where, Where {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<where> ");
  }}
  before -> Enhancement, enhancementbody, EnhancementBody {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<enhancementbody> ");
  }}
  before -> EnhancementBody, syntaxtoken, SyntaxToken {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<syntaxtoken> ");
  }}
  before PartCoordinate {{
    out.print(": PartCoordinate  (");
    indent++;
  }}
  after PartCoordinate {{
    out.print(" )");
    indent--;
  }}
  before -> PartCoordinate, syntaxclassname, SyntaxClassName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<syntaxclassname> ");
  }}
  before -> PartCoordinate, syntaxpartname, SyntaxPartName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<syntaxpartname> ");
  }}
  before OptionalPartCoordinate {{
    out.print(": OptionalPartCoordinate  (");
    indent++;
  }}
  after OptionalPartCoordinate {{
    out.print(" )");
    indent--;
  }}
  before -> OptionalPartCoordinate, syntaxclassname, SyntaxClassName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<syntaxclassname> ");
  }}
  before -> OptionalPartCoordinate, syntaxpartname, SyntaxPartName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<syntaxpartname> ");
  }}
  before ClassBody {{
    out.print(": ClassBody  (");
    indent++;
  }}
  after ClassBody {{
    out.print(" )");
    indent--;
  }}
  before -> ClassBody, syntaxclassname, SyntaxClassName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<syntaxclassname> ");
  }}
  before CollectionCoordinate {{
    out.print(": CollectionCoordinate  (");
    indent++;
  }}
  after CollectionCoordinate {{
    out.print(" )");
    indent--;
  }}
  before -> CollectionCoordinate, syntaxclassname, SyntaxClassName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<syntaxclassname> ");
  }}
  before -> CollectionCoordinate, curlybracket, CurlyBracket {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<curlybracket> ");
  }}
  before Left {{
    out.print(": Left  (");
    indent++;
  }}
  after Left {{
    out.print(" )");
    indent--;
  }}
  before Right {{
    out.print(": Right  (");
    indent++;
  }}
  after Right {{
    out.print(" )");
    indent--;
  }}
  before SyntaxClassName {{
    out.print(": SyntaxClassName  (");
    indent++;
  }}
  after SyntaxClassName {{
    out.print(" )");
    indent--;
  }}
  before -> SyntaxClassName, ident, Ident {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<ident> ");
    out.print(" : Ident");
    out.print(" \"" + source.get_ident() + "\"");
  }}
  before SyntaxPartName {{
    out.print(": SyntaxPartName  (");
    indent++;
  }}
  after SyntaxPartName {{
    out.print(" )");
    indent--;
  }}
  before -> SyntaxPartName, ident, Ident {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<ident> ");
    out.print(" : Ident");
    out.print(" \"" + source.get_ident() + "\"");
  }}
  before Before {{
    out.print(": Before  (");
    indent++;
  }}
  after Before {{
    out.print(" )");
    indent--;
  }}
  before After {{
    out.print(": After  (");
    indent++;
  }}
  after After {{
    out.print(" )");
    indent--;
  }}
  before ClassGraphVisitor {{
    out.print(": ClassGraphVisitor  (");
    indent++;
  }}
  after ClassGraphVisitor {{
    out.print(" )");
    indent--;
  }}
  before CommandVisitor {{
    out.print(": CommandVisitor  (");
    indent++;
  }}
  after CommandVisitor {{
    out.print(" )");
    indent--;
  }}
  before ClassCommandVisitor {{
    out.print(": ClassCommandVisitor  (");
    indent++;
  }}
  after ClassCommandVisitor {{
    out.print(" )");
    indent--;
  }}
  before CollectionCommandVisitor {{
    out.print(": CollectionCommandVisitor  (");
    indent++;
  }}
  after CollectionCommandVisitor {{
    out.print(" )");
    indent--;
  }}
  before PartCommandVisitor {{
    out.print(": PartCommandVisitor  (");
    indent++;
  }}
  after PartCommandVisitor {{
    out.print(" )");
    indent--;
  }}
  before PrintVisitor {{
    out.print(": PrintVisitor  (");
    indent++;
  }}
  after PrintVisitor {{
    out.print(" )");
    indent--;
  }}
  before -> PrintVisitor, indent, int {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<indent> ");
    out.print(" : int \"" + dest + "\"");
  }}
  before -> PrintVisitor, needSpace, boolean {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<needSpace> ");
    out.print(" : boolean \"" + dest + "\"");
  }}
  before CopyVisitor {{
    out.print(": CopyVisitor  (");
    indent++;
  }}
  after CopyVisitor {{
    out.print(" )");
    indent--;
  }}
  before -> CopyVisitor, copy, Object {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<copy> ");
  }}
  before SubgraphVisitor {{
    out.print(": SubgraphVisitor  (");
    indent++;
  }}
  after SubgraphVisitor {{
    out.print(" )");
    indent--;
  }}
  before -> SubgraphVisitor, is_equal, boolean {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<is_equal> ");
    out.print(" : boolean \"" + dest + "\"");
  }}
  before EqualVisitor {{
    out.print(": EqualVisitor  (");
    indent++;
  }}
  after EqualVisitor {{
    out.print(" )");
    indent--;
  }}
  before -> EqualVisitor, is_equal, boolean {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<is_equal> ");
    out.print(" : boolean \"" + dest + "\"");
  }}
  before DisplayVisitor {{
    out.print(": DisplayVisitor  (");
    indent++;
  }}
  after DisplayVisitor {{
    out.print(" )");
    indent--;
  }}
  before -> DisplayVisitor, indent, int {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<indent> ");
    out.print(" : int \"" + dest + "\"");
  }}
  before TraceVisitor {{
    out.print(": TraceVisitor  (");
    indent++;
  }}
  after TraceVisitor {{
    out.print(" )");
    indent--;
  }}
  before -> TraceVisitor, indent, int {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<indent> ");
    out.print(" : int \"" + dest + "\"");
  }}
  before Definition_DList {{
    out.print(": Definition_DList  {");
    indent++;
  }}
  after Definition_DList {{
    out.print(" }");
    indent--;
  }}
  before -> Definition_DList, first, Nonempty_Definition_DList {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before ClassName_Commalist {{
    out.print(": ClassName_Commalist  {");
    indent++;
  }}
  after ClassName_Commalist {{
    out.print(" }");
    indent--;
  }}
  before -> ClassName_Commalist, first, Nonempty_ClassName_Commalist {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before ClassElementWithSyntax_List {{
    out.print(": ClassElementWithSyntax_List  {");
    indent++;
  }}
  after ClassElementWithSyntax_List {{
    out.print(" }");
    indent--;
  }}
  before -> ClassElementWithSyntax_List, first, Nonempty_ClassElementWithSyntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before ClassElement_PSandwich {{
    out.print(": ClassElement_PSandwich  (");
    indent++;
  }}
  after ClassElement_PSandwich {{
    out.print(" )");
    indent--;
  }}
  before -> ClassElement_PSandwich, s, ClassElement_Sandwich {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<s> ");
  }}
  before ClassElement_Sandwich {{
    out.print(": ClassElement_Sandwich  (");
    indent++;
  }}
  after ClassElement_Sandwich {{
    out.print(" )");
    indent--;
  }}
  before -> ClassElement_Sandwich, first, Syntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before -> ClassElement_Sandwich, inner, ClassElement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<inner> ");
  }}
  before -> ClassElement_Sandwich, second, Syntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<second> ");
  }}
  before Part_Sandwich {{
    out.print(": Part_Sandwich  (");
    indent++;
  }}
  after Part_Sandwich {{
    out.print(" )");
    indent--;
  }}
  before -> Part_Sandwich, first, Syntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before -> Part_Sandwich, inner, Part {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<inner> ");
  }}
  before -> Part_Sandwich, second, Syntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<second> ");
  }}
  before ClassSpec_Barlist {{
    out.print(": ClassSpec_Barlist  {");
    indent++;
  }}
  after ClassSpec_Barlist {{
    out.print(" }");
    indent--;
  }}
  before -> ClassSpec_Barlist, first, Nonempty_ClassSpec_Barlist {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before RepeatedPart_Sandwich {{
    out.print(": RepeatedPart_Sandwich  (");
    indent++;
  }}
  after RepeatedPart_Sandwich {{
    out.print(" )");
    indent--;
  }}
  before -> RepeatedPart_Sandwich, first, Syntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before -> RepeatedPart_Sandwich, inner, RepeatedPart {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<inner> ");
  }}
  before -> RepeatedPart_Sandwich, second, Syntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<second> ");
  }}
  before ClassSpec_Sandwich {{
    out.print(": ClassSpec_Sandwich  (");
    indent++;
  }}
  after ClassSpec_Sandwich {{
    out.print(" )");
    indent--;
  }}
  before -> ClassSpec_Sandwich, first, Syntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before -> ClassSpec_Sandwich, inner, ClassSpec {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<inner> ");
  }}
  before -> ClassSpec_Sandwich, second, Syntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<second> ");
  }}
  before Syntax_List {{
    out.print(": Syntax_List  {");
    indent++;
  }}
  after Syntax_List {{
    out.print(" }");
    indent--;
  }}
  before -> Syntax_List, first, Nonempty_Syntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before ClassSpec_Commalist {{
    out.print(": ClassSpec_Commalist  {");
    indent++;
  }}
  after ClassSpec_Commalist {{
    out.print(" }");
    indent--;
  }}
  before -> ClassSpec_Commalist, first, Nonempty_ClassSpec_Commalist {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before Enhancement_List {{
    out.print(": Enhancement_List  {");
    indent++;
  }}
  after Enhancement_List {{
    out.print(" }");
    indent--;
  }}
  before -> Enhancement_List, first, Nonempty_Enhancement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before Nonempty_Definition_DList {{
    out.print(": Nonempty_Definition_DList  (");
    indent++;
  }}
  after Nonempty_Definition_DList {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_Definition_DList, it, Definition {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_Definition_DList, next, Nonempty_Definition_DList {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_ClassName_Commalist {{
    out.print(": Nonempty_ClassName_Commalist  (");
    indent++;
  }}
  after Nonempty_ClassName_Commalist {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_ClassName_Commalist, it, ClassName {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_ClassName_Commalist, next, Nonempty_ClassName_Commalist {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_ClassElementWithSyntax_List {{
    out.print(": Nonempty_ClassElementWithSyntax_List  (");
    indent++;
  }}
  after Nonempty_ClassElementWithSyntax_List {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_ClassElementWithSyntax_List, it, ClassElementWithSyntax {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_ClassElementWithSyntax_List, next, Nonempty_ClassElementWithSyntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_ClassSpec_Barlist {{
    out.print(": Nonempty_ClassSpec_Barlist  (");
    indent++;
  }}
  after Nonempty_ClassSpec_Barlist {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_ClassSpec_Barlist, it, ClassSpec {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_ClassSpec_Barlist, next, Nonempty_ClassSpec_Barlist {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_Syntax_List {{
    out.print(": Nonempty_Syntax_List  (");
    indent++;
  }}
  after Nonempty_Syntax_List {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_Syntax_List, it, Syntax {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_Syntax_List, next, Nonempty_Syntax_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_ClassSpec_Commalist {{
    out.print(": Nonempty_ClassSpec_Commalist  (");
    indent++;
  }}
  after Nonempty_ClassSpec_Commalist {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_ClassSpec_Commalist, it, ClassSpec {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_ClassSpec_Commalist, next, Nonempty_ClassSpec_Commalist {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_Enhancement_List {{
    out.print(": Nonempty_Enhancement_List  (");
    indent++;
  }}
  after Nonempty_Enhancement_List {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_Enhancement_List, it, Enhancement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_Enhancement_List, next, Nonempty_Enhancement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
}