class  | 
Node_Expr | 
 The class of expression nodes of type  ?{ <expr> }, or 
 ${ <expr> }. 
 | 
class  | 
Node_ExprList | 
 Abstract class for expression nodes where the expression depends on a list of 
 expressions. 
 | 
class  | 
Node_ExtendedLiteral | 
 The class of expression nodes of type "text{<expr>}" , or any other
 RDF literal with embedded expressions (including RDF literals with language
 tags, RDF datatypes. 
 | 
class  | 
Node_ExtendedURI | 
 The class of expression nodes of type <text{<expr>}> , or any other
 IRI with embedded expressions. 
 | 
class  | 
Node_Template | 
 The class of expression nodes of type ?{ TEMPLATE ... . }, or
 ${ TEMPLATE ... .} . 
 |