Fixed method name.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@21570 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TextDocument.py

@@ -219,7 +219,7 @@ class TextDocument(Document, TextContent):
 
         if substitution_method_parameter_dict is None:
           substitution_method_parameter_dict = {}
-        result = self._substituteText(result, **substitution_method_parameter_dict)
+        result = self._substituteTextContent(result, **substitution_method_parameter_dict)
 
         return mime_type, result
       else: