Added module support to templated decorator.

docs/patterns/viewdecorators.rst

@@ -117,10 +117,10 @@ three examples do exactly the same::
         return dict(value=42)
 
 As you can see, if no template name is provided it will use the endpoint
-of the URL map + ``'.html'``.  Otherwise the provided template name is
-used.  When the decorated function returns, the dictionary returned is
-passed to the template rendering function.  If `None` is returned, an
-empty dictionary is assumed.
+of the URL map with dots converted to slashes + ``'.html'``.  Otherwise
+the provided template name is used.  When the decorated function returns,
+the dictionary returned is passed to the template rendering function.  If
+`None` is returned, an empty dictionary is assumed.
 
 Here the code for that decorator::
 
@@ -133,7 +133,8 @@ Here the code for that decorator::
             def decorated_function(*args, **kwargs):
                 template_name = template
                 if template_name is None:
-                    template_name = request.endpoint + '.html'
+                    template_name = request.endpoint \
+                        .replace('.', '/') + '.html'
                 ctx = f(*args, **kwargs)
                 if ctx is None:
                     ctx = {}