* src/syn/AndExpressions.sdf, src/syn/AsmDefinitions.sdf,
	* src/syn/AssignmentExpressions.sdf, src/syn/BaseSpecifiers.sdf,
	* src/syn/BooleanLiterals.sdf, src/syn/CastExpressions.sdf,
	* src/syn/CharacterLiterals.sdf, src/syn/Characters.sdf,
	* src/syn/ClassSpecifiers.sdf, src/syn/CompoundStatements.sdf,
	* src/syn/ConditionalExpressions.sdf, src/syn/ConstantExpressions.sdf,
	* src/syn/ConversionFunctionIds.sdf, src/syn/CtorInitializers.sdf,
	* src/syn/CvQualifiers.sdf, src/syn/Cxx.sdf,
	* src/syn/DeclarationStatements.sdf, src/syn/Declarations.sdf,
	* src/syn/Declarators.sdf, src/syn/DeleteExpressions.sdf,
	* src/syn/ElaboratedTypeSpecifiers.sdf, src/syn/EnumSpecifiers.sdf,
	* src/syn/EqualityExpressions.sdf, src/syn/EscapeSequences.sdf,
	* src/syn/ExceptionSpecifications.sdf, 
	* src/syn/ExclusiveOrExpressions.sdf,
	* src/syn/ExplicitInstantiations.sdf, 
	* src/syn/ExplicitSpecializations.sdf,
	* src/syn/ExpressionStatements.sdf, src/syn/Expressions.sdf,
	* src/syn/FloatingLiterals.sdf, src/syn/FunctionDefinitions.sdf,
	* src/syn/FunctionSpecifiers.sdf, src/syn/IdExpressions.sdf,
	* src/syn/Identifiers.sdf, src/syn/InclusiveOrExpressions.sdf,
	* src/syn/InitDeclarators.sdf, src/syn/Initializers.sdf,
	* src/syn/IntegerLiterals.sdf, src/syn/IterationStatements.sdf,
	* src/syn/JumpStatements.sdf, src/syn/Keywords.sdf,
	* src/syn/LabeledStatements.sdf, src/syn/Layout.sdf,
	* src/syn/LinkageSpecifications.sdf, src/syn/Literals.sdf,
	* src/syn/LogicalAndExpressions.sdf, src/syn/LogicalOrExpressions.sdf,
	* src/syn/MemberSpecifications.sdf,
	* src/syn/MultiplicativeExpressions.sdf,
	* src/syn/NamespaceAliases.sdf, src/syn/Namespaces.sdf,
	* src/syn/NewExpressions.sdf, src/syn/OperatorFunctionIds.sdf,
	* src/syn/ParameterDeclarations.sdf, src/syn/PmExpressions.sdf,
	* src/syn/PostfixExpressions.sdf, src/syn/PrimaryExpressions.sdf,
	* src/syn/RelationalExpressions.sdf, src/syn/SelectionStatements.sdf,
	* src/syn/ShiftExpressions.sdf, src/syn/SimpleTypeSpecifiers.sdf,
	* src/syn/Specifiers.sdf, src/syn/Statements.sdf,
	* src/syn/StorageClassSpecifiers.sdf, src/syn/StringLiterals.sdf,
	* src/syn/TemplateDeclarations.sdf, src/syn/TemplateIds.sdf,
	* src/syn/TemplateParameters.sdf, src/syn/ThrowExpressions.sdf,
	* src/syn/TranslationUnits.sdf, src/syn/TryBlocks.sdf,
	* src/syn/TypeIds.sdf, src/syn/TypeSpecifiers.sdf,
	* src/syn/UnaryExpressions.sdf, src/syn/UsingDeclarations.sdf,
	* src/syn/UsingDirectives.sdf : Adding 'hiddens' sections for 
	nonterminal declaration, adding some basics constructors too.