// 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 Instance {{
    out.print(": Instance  (");
    indent++;
  }}
  after Instance {{
    out.print(" )");
    indent--;
  }}
  before -> Instance, presentation, PresentationXMLElement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<presentation> ");
  }}
  before -> Instance, domains, DomainsXMLElement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<domains> ");
  }}
  before -> Instance, variables, VariablesXMLElement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<variables> ");
  }}
  before -> Instance, relations, RelationsXMLElement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<relations> ");
  }}
  before -> Instance, constraints, ConstraintsXMLElement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<constraints> ");
  }}
  before PresentationNameAttribute {{
    out.print(": PresentationNameAttribute  (");
    indent++;
  }}
  after PresentationNameAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> PresentationNameAttribute, name, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<name> ");
    out.print(" : String");
    out.print(" \"" + source.get_name() + "\" ");
  }}
  before PresentationMaxConstraintArityAttribute {{
    out.print(": PresentationMaxConstraintArityAttribute  (");
    indent++;
  }}
  after PresentationMaxConstraintArityAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> PresentationMaxConstraintArityAttribute, maxConstraintArity, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<maxConstraintArity> ");
    out.print(" : String");
    out.print(" \"" + source.get_maxConstraintArity() + "\" ");
  }}
  before PresentationNbSolutionAttribute {{
    out.print(": PresentationNbSolutionAttribute  (");
    indent++;
  }}
  after PresentationNbSolutionAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> PresentationNbSolutionAttribute, nbSolutions, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<nbSolutions> ");
    out.print(" : String");
    out.print(" \"" + source.get_nbSolutions() + "\" ");
  }}
  before PresentationSolutionAttribute {{
    out.print(": PresentationSolutionAttribute  (");
    indent++;
  }}
  after PresentationSolutionAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> PresentationSolutionAttribute, solution, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<solution> ");
    out.print(" : String");
    out.print(" \"" + source.get_solution() + "\" ");
  }}
  before PresentationMaxSatisfiableConstraintsAttribute {{
    out.print(": PresentationMaxSatisfiableConstraintsAttribute  (");
    indent++;
  }}
  after PresentationMaxSatisfiableConstraintsAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> PresentationMaxSatisfiableConstraintsAttribute, maxSatisfiableConstraints, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<maxSatisfiableConstraints> ");
    out.print(" : String");
    out.print(" \"" + source.get_maxSatisfiableConstraints() + "\" ");
  }}
  before PresentationFormatAttribute {{
    out.print(": PresentationFormatAttribute  (");
    indent++;
  }}
  after PresentationFormatAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> PresentationFormatAttribute, format, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<format> ");
    out.print(" : String");
    out.print(" \"" + source.get_format() + "\" ");
  }}
  before PresentationXMLAttributeList {{
    out.print(": PresentationXMLAttributeList  (");
    indent++;
  }}
  after PresentationXMLAttributeList {{
    out.print(" )");
    indent--;
  }}
  before -> PresentationXMLAttributeList, presentationxmlattribute_list, PresentationXMLAttribute_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<presentationxmlattribute_list> ");
  }}
  before PresentationXMLElement {{
    out.print(": PresentationXMLElement  (");
    indent++;
  }}
  after PresentationXMLElement {{
    out.print(" )");
    indent--;
  }}
  before -> PresentationXMLElement, presentationxmlattributelist, PresentationXMLAttributeList {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<presentationxmlattributelist> ");
  }}
  before DomainNameAttribute {{
    out.print(": DomainNameAttribute  (");
    indent++;
  }}
  after DomainNameAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> DomainNameAttribute, name, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<name> ");
    out.print(" : String");
    out.print(" \"" + source.get_name() + "\" ");
  }}
  before DomainNbValuesAttribute {{
    out.print(": DomainNbValuesAttribute  (");
    indent++;
  }}
  after DomainNbValuesAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> DomainNbValuesAttribute, nbValues, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<nbValues> ");
    out.print(" : String");
    out.print(" \"" + source.get_nbValues() + "\" ");
  }}
  before Num {{
    out.print(": Num  (");
    indent++;
  }}
  after Num {{
    out.print(" )");
    indent--;
  }}
  before -> Num, v, int {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<v> ");
    out.print(" : int \"" + dest + "\"");
  }}
  before Dot {{
    out.print(": Dot  (");
    indent++;
  }}
  after Dot {{
    out.print(" )");
    indent--;
  }}
  before DomainXMLElement {{
    out.print(": DomainXMLElement  (");
    indent++;
  }}
  after DomainXMLElement {{
    out.print(" )");
    indent--;
  }}
  before -> DomainXMLElement, domainnameattribute, DomainNameAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<domainnameattribute> ");
  }}
  before -> DomainXMLElement, domainnbvaluesattribute, DomainNbValuesAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<domainnbvaluesattribute> ");
  }}
  before -> DomainXMLElement, domainexp_list, DomainExp_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<domainexp_list> ");
  }}
  before DomainsNbDomainsAttribute {{
    out.print(": DomainsNbDomainsAttribute  (");
    indent++;
  }}
  after DomainsNbDomainsAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> DomainsNbDomainsAttribute, nbDomains, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<nbDomains> ");
    out.print(" : String");
    out.print(" \"" + source.get_nbDomains() + "\" ");
  }}
  before DomainsXMLElement {{
    out.print(": DomainsXMLElement  (");
    indent++;
  }}
  after DomainsXMLElement {{
    out.print(" )");
    indent--;
  }}
  before -> DomainsXMLElement, domainsnbdomainsattribute, DomainsNbDomainsAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<domainsnbdomainsattribute> ");
  }}
  before -> DomainsXMLElement, domainxmlelement_list, DomainXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<domainxmlelement_list> ");
  }}
  before variableNameAttribute {{
    out.print(": variableNameAttribute  (");
    indent++;
  }}
  after variableNameAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> variableNameAttribute, name, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<name> ");
    out.print(" : String");
    out.print(" \"" + source.get_name() + "\" ");
  }}
  before variableDomainAttribute {{
    out.print(": variableDomainAttribute  (");
    indent++;
  }}
  after variableDomainAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> variableDomainAttribute, domain, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<domain> ");
    out.print(" : String");
    out.print(" \"" + source.get_domain() + "\" ");
  }}
  before VariableXMLElement {{
    out.print(": VariableXMLElement  (");
    indent++;
  }}
  after VariableXMLElement {{
    out.print(" )");
    indent--;
  }}
  before -> VariableXMLElement, variablenameattribute, variableNameAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<variablenameattribute> ");
  }}
  before -> VariableXMLElement, variabledomainattribute, variableDomainAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<variabledomainattribute> ");
  }}
  before VariablesNbVariablesAttribute {{
    out.print(": VariablesNbVariablesAttribute  (");
    indent++;
  }}
  after VariablesNbVariablesAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> VariablesNbVariablesAttribute, nbVariables, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<nbVariables> ");
    out.print(" : String");
    out.print(" \"" + source.get_nbVariables() + "\" ");
  }}
  before VariablesXMLElement {{
    out.print(": VariablesXMLElement  (");
    indent++;
  }}
  after VariablesXMLElement {{
    out.print(" )");
    indent--;
  }}
  before -> VariablesXMLElement, variablesnbvariablesattribute, VariablesNbVariablesAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<variablesnbvariablesattribute> ");
  }}
  before -> VariablesXMLElement, variablexmlelement_list, VariableXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<variablexmlelement_list> ");
  }}
  before RelationNameAttribute {{
    out.print(": RelationNameAttribute  (");
    indent++;
  }}
  after RelationNameAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> RelationNameAttribute, name, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<name> ");
    out.print(" : String");
    out.print(" \"" + source.get_name() + "\" ");
  }}
  before RelationNumberAttribute {{
    out.print(": RelationNumberAttribute  (");
    indent++;
  }}
  after RelationNumberAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> RelationNumberAttribute, number, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<number> ");
    out.print(" : String");
    out.print(" \"" + source.get_number() + "\" ");
  }}
  before RelationArityAttribute {{
    out.print(": RelationArityAttribute  (");
    indent++;
  }}
  after RelationArityAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> RelationArityAttribute, arity, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<arity> ");
    out.print(" : String");
    out.print(" \"" + source.get_arity() + "\" ");
  }}
  before RelationNbTuplesAttribute {{
    out.print(": RelationNbTuplesAttribute  (");
    indent++;
  }}
  after RelationNbTuplesAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> RelationNbTuplesAttribute, nbTuples, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<nbTuples> ");
    out.print(" : String");
    out.print(" \"" + source.get_nbTuples() + "\" ");
  }}
  before RelationSemanticsAttribute {{
    out.print(": RelationSemanticsAttribute  (");
    indent++;
  }}
  after RelationSemanticsAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> RelationSemanticsAttribute, semantics, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<semantics> ");
    out.print(" : String");
    out.print(" \"" + source.get_semantics() + "\" ");
  }}
  before RelationXMLElement {{
    out.print(": RelationXMLElement  (");
    indent++;
  }}
  after RelationXMLElement {{
    out.print(" )");
    indent--;
  }}
  before -> RelationXMLElement, relationnameattribute, RelationNameAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<relationnameattribute> ");
  }}
  before -> RelationXMLElement, relationnumberattribute, RelationNumberAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<relationnumberattribute> ");
  }}
  before -> RelationXMLElement, relationarityattribute, RelationArityAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<relationarityattribute> ");
  }}
  before -> RelationXMLElement, relationnbtuplesattribute, RelationNbTuplesAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<relationnbtuplesattribute> ");
  }}
  before -> RelationXMLElement, relationsemanticsattribute, RelationSemanticsAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<relationsemanticsattribute> ");
  }}
  before -> RelationXMLElement, tuples, Tuple_PipeList {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<tuples> ");
  }}
  before Tuple {{
    out.print(": Tuple  (");
    indent++;
  }}
  after Tuple {{
    out.print(" )");
    indent--;
  }}
  before -> Tuple, digit_nlist, Digit_NList {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<digit_nlist> ");
  }}
  before Digit {{
    out.print(": Digit  (");
    indent++;
  }}
  after Digit {{
    out.print(" )");
    indent--;
  }}
  before -> Digit, v, int {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<v> ");
    out.print(" : int \"" + dest + "\"");
  }}
  before RelationsNbRelationsAttribute {{
    out.print(": RelationsNbRelationsAttribute  (");
    indent++;
  }}
  after RelationsNbRelationsAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> RelationsNbRelationsAttribute, nbRelations, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<nbRelations> ");
    out.print(" : String");
    out.print(" \"" + source.get_nbRelations() + "\" ");
  }}
  before RelationsXMLElement {{
    out.print(": RelationsXMLElement  (");
    indent++;
  }}
  after RelationsXMLElement {{
    out.print(" )");
    indent--;
  }}
  before -> RelationsXMLElement, relationsnbrelationsattribute, RelationsNbRelationsAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<relationsnbrelationsattribute> ");
  }}
  before -> RelationsXMLElement, relationxmlelement_list, RelationXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<relationxmlelement_list> ");
  }}
  before ConstraintNameAttribute {{
    out.print(": ConstraintNameAttribute  (");
    indent++;
  }}
  after ConstraintNameAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> ConstraintNameAttribute, name, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<name> ");
    out.print(" : String");
    out.print(" \"" + source.get_name() + "\" ");
  }}
  before ConstraintArityAttribute {{
    out.print(": ConstraintArityAttribute  (");
    indent++;
  }}
  after ConstraintArityAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> ConstraintArityAttribute, arity, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<arity> ");
    out.print(" : String");
    out.print(" \"" + source.get_arity() + "\" ");
  }}
  before ConstraintXMLAttributes {{
    out.print(": ConstraintXMLAttributes  (");
    indent++;
  }}
  after ConstraintXMLAttributes {{
    out.print(" )");
    indent--;
  }}
  before -> ConstraintXMLAttributes, constraintnameattribute, ConstraintNameAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<constraintnameattribute> ");
  }}
  before -> ConstraintXMLAttributes, constraintarityattribute, ConstraintArityAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<constraintarityattribute> ");
  }}
  before -> ConstraintXMLAttributes, scopeattribute, ScopeAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<scopeattribute> ");
  }}
  before -> ConstraintXMLAttributes, referencesattribute, ReferencesAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<referencesattribute> ");
  }}
  before ScopeAttribute {{
    out.print(": ScopeAttribute  (");
    indent++;
  }}
  after ScopeAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> ScopeAttribute, scope, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<scope> ");
    out.print(" : String");
    out.print(" \"" + source.get_scope() + "\" ");
  }}
  before ReferencesAttribute {{
    out.print(": ReferencesAttribute  (");
    indent++;
  }}
  after ReferencesAttribute {{
    out.print(" )");
    indent--;
  }}
  before -> ReferencesAttribute, references, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<references> ");
    out.print(" : String");
    out.print(" \"" + source.get_references() + "\" ");
  }}
  before ConstraintXMLElement {{
    out.print(": ConstraintXMLElement  (");
    indent++;
  }}
  after ConstraintXMLElement {{
    out.print(" )");
    indent--;
  }}
  before -> ConstraintXMLElement, constraintxmlattributes, ConstraintXMLAttributes {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<constraintxmlattributes> ");
  }}
  before ConstraintsXMLAttributes {{
    out.print(": ConstraintsXMLAttributes  (");
    indent++;
  }}
  after ConstraintsXMLAttributes {{
    out.print(" )");
    indent--;
  }}
  before -> ConstraintsXMLAttributes, nbConstraints, String {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<nbConstraints> ");
    out.print(" : String");
    out.print(" \"" + source.get_nbConstraints() + "\" ");
  }}
  before ConstraintsXMLElement {{
    out.print(": ConstraintsXMLElement  (");
    indent++;
  }}
  after ConstraintsXMLElement {{
    out.print(" )");
    indent--;
  }}
  before -> ConstraintsXMLElement, constraintsxmlattributes, ConstraintsXMLAttributes {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<constraintsxmlattributes> ");
  }}
  before -> ConstraintsXMLElement, constraintxmlelement_list, ConstraintXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<constraintxmlelement_list> ");
  }}
  before Main {{
    out.print(": Main  (");
    indent++;
  }}
  after Main {{
    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 PresentationXMLAttribute_List {{
    out.print(": PresentationXMLAttribute_List  {");
    indent++;
  }}
  after PresentationXMLAttribute_List {{
    out.print(" }");
    indent--;
  }}
  before -> PresentationXMLAttribute_List, first, Nonempty_PresentationXMLAttribute_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before DomainExp_List {{
    out.print(": DomainExp_List  {");
    indent++;
  }}
  after DomainExp_List {{
    out.print(" }");
    indent--;
  }}
  before -> DomainExp_List, first, Nonempty_DomainExp_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before DomainXMLElement_List {{
    out.print(": DomainXMLElement_List  {");
    indent++;
  }}
  after DomainXMLElement_List {{
    out.print(" }");
    indent--;
  }}
  before -> DomainXMLElement_List, first, Nonempty_DomainXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before VariableXMLElement_List {{
    out.print(": VariableXMLElement_List  {");
    indent++;
  }}
  after VariableXMLElement_List {{
    out.print(" }");
    indent--;
  }}
  before -> VariableXMLElement_List, first, Nonempty_VariableXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before Tuple_PipeList {{
    out.print(": Tuple_PipeList  {");
    indent++;
  }}
  after Tuple_PipeList {{
    out.print(" }");
    indent--;
  }}
  before -> Tuple_PipeList, first, Nonempty_Tuple_PipeList {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before Digit_NList {{
    out.print(": Digit_NList  {");
    indent++;
  }}
  after Digit_NList {{
    out.print(" }");
    indent--;
  }}
  before -> Digit_NList, first, Nonempty_Digit_NList {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before RelationXMLElement_List {{
    out.print(": RelationXMLElement_List  {");
    indent++;
  }}
  after RelationXMLElement_List {{
    out.print(" }");
    indent--;
  }}
  before -> RelationXMLElement_List, first, Nonempty_RelationXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before ConstraintXMLElement_List {{
    out.print(": ConstraintXMLElement_List  {");
    indent++;
  }}
  after ConstraintXMLElement_List {{
    out.print(" }");
    indent--;
  }}
  before -> ConstraintXMLElement_List, first, Nonempty_ConstraintXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<first> ");
  }}
  before Nonempty_PresentationXMLAttribute_List {{
    out.print(": Nonempty_PresentationXMLAttribute_List  (");
    indent++;
  }}
  after Nonempty_PresentationXMLAttribute_List {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_PresentationXMLAttribute_List, it, PresentationXMLAttribute {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_PresentationXMLAttribute_List, next, Nonempty_PresentationXMLAttribute_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_DomainExp_List {{
    out.print(": Nonempty_DomainExp_List  (");
    indent++;
  }}
  after Nonempty_DomainExp_List {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_DomainExp_List, it, DomainExp {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_DomainExp_List, next, Nonempty_DomainExp_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_DomainXMLElement_List {{
    out.print(": Nonempty_DomainXMLElement_List  (");
    indent++;
  }}
  after Nonempty_DomainXMLElement_List {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_DomainXMLElement_List, it, DomainXMLElement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_DomainXMLElement_List, next, Nonempty_DomainXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_VariableXMLElement_List {{
    out.print(": Nonempty_VariableXMLElement_List  (");
    indent++;
  }}
  after Nonempty_VariableXMLElement_List {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_VariableXMLElement_List, it, VariableXMLElement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_VariableXMLElement_List, next, Nonempty_VariableXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_Tuple_PipeList {{
    out.print(": Nonempty_Tuple_PipeList  (");
    indent++;
  }}
  after Nonempty_Tuple_PipeList {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_Tuple_PipeList, it, Tuple {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_Tuple_PipeList, next, Nonempty_Tuple_PipeList {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_Digit_NList {{
    out.print(": Nonempty_Digit_NList  (");
    indent++;
  }}
  after Nonempty_Digit_NList {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_Digit_NList, it, Digit {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_Digit_NList, next, Nonempty_Digit_NList {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_RelationXMLElement_List {{
    out.print(": Nonempty_RelationXMLElement_List  (");
    indent++;
  }}
  after Nonempty_RelationXMLElement_List {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_RelationXMLElement_List, it, RelationXMLElement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_RelationXMLElement_List, next, Nonempty_RelationXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
  before Nonempty_ConstraintXMLElement_List {{
    out.print(": Nonempty_ConstraintXMLElement_List  (");
    indent++;
  }}
  after Nonempty_ConstraintXMLElement_List {{
    out.print(" )");
    indent--;
  }}
  before -> Nonempty_ConstraintXMLElement_List, it, ConstraintXMLElement {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<it> ");
  }}
  before -> Nonempty_ConstraintXMLElement_List, next, Nonempty_ConstraintXMLElement_List {{
    out.println();    for (int i = 0; i < indent; i++) out.print("\t");
    out.print("<next> ");
  }}
}