anchor.diff:                                      BodyInfo#ast_info.dependencies))])]),     
   
               RenderInternalFunctionAst = erl_syntax:function(
  -                erl_syntax:atom(Function ++ "2"), 
  +                erl_syntax:atom(render2), 
                   [erl_syntax:clause([erl_syntax:variable("Variables")], none, 
                           [BodyAst])]),   
   
  
positive.code: 
              ModuleAst  = erl_syntax:attribute(erl_syntax:atom(module), [erl_syntax:atom(Module)]),
              ExportAst = erl_syntax:attribute(erl_syntax:atom(export),
                  [erl_syntax:list([erl_syntax:arity_qualifier(erl_syntax:atom(Function), erl_syntax:integer(0)),
                              erl_syntax:arity_qualifier(erl_syntax:atom(Function), erl_syntax:integer(1)),
                              erl_syntax:arity_qualifier(erl_syntax:atom(source), erl_syntax:integer(0)),
                              erl_syntax:arity_qualifier(erl_syntax:atom(dependencies), erl_syntax:integer(0))])]),
  
  
negative.code:             {BodyAst, BodyInfo} = body_ast(DjangoParseTree, #dtl_context{
                      doc_root = DocRoot, parse_trail = [File], preset_vars = Vars, reader = Reader}),
  
              Render0FunctionAst = erl_syntax:function(erl_syntax:atom(render),
                  [erl_syntax:clause([], none, [erl_syntax:application(none, 
                                  erl_syntax:atom(render), [erl_syntax:list([])])])]),
  
              Function2 = erl_syntax:application(none, erl_syntax:atom(render2),
                  [erl_syntax:variable("Variables")]),
              ClauseOk = erl_syntax:clause([erl_syntax:variable("Val")], none,
                  [erl_syntax:tuple([erl_syntax:atom(ok), erl_syntax:variable("Val")])]),     
              ClauseCatch = erl_syntax:clause([erl_syntax:variable("Err")], none,
                  [erl_syntax:tuple([erl_syntax:atom(error), erl_syntax:variable("Err")])]),            
              Render1FunctionAst = erl_syntax:function(erl_syntax:atom(render),
                  [erl_syntax:clause([erl_syntax:variable("Variables")], none, 
                          [erl_syntax:try_expr([Function2], [ClauseOk], [ClauseCatch])])]),  
  
  