removed pt_encoding() since we use utf-8 in the ZMI only

lib/python/Products/PageTemplates/ZopePageTemplate.py

@@ -127,14 +127,6 @@ class ZopePageTemplate(Script, PageTemplate, Historical, Cacheable,
         self.ZBindings_edit(self._default_bindings)
         self.pt_edit(text, content_type, encoding)
 
-    security.declareProtected(change_page_templates, 'pt_encoding')
-    def pt_encoding(self):
-        encoding = sniffEncoding(self.read())
-        return encoding                
-
-    from ComputedAttribute import ComputedAttribute
-    management_page_charset = ComputedAttribute(pt_encoding, 1)
-
     security.declareProtected(change_page_templates, 'pt_edit')
     def pt_edit(self, text, content_type, encoding='utf-8'):
 
@@ -423,7 +415,7 @@ def manage_addPageTemplate(self, id, title='', text=None, encoding='utf-8', subm
             content_type = headers['content_type']
         else:
             content_type = guess_type(filename, text) 
-        encoding = sniffEncoding(text)
+        encoding = sniffEncoding(text, encoding)
 
     else:
         if hasattr(text, 'read'):
@@ -434,6 +426,7 @@ def manage_addPageTemplate(self, id, title='', text=None, encoding='utf-8', subm
                 content_type = headers['content_type']
             else:
                 content_type = guess_type(filename, text) 
+        encoding = sniffEncoding(text, encoding)
 
     if not text:
         text = open(_default_content_fn).read()

lib/python/Products/PageTemplates/pt/ptEdit.pt

 
-<h1 tal:replace="structure python: context.manage_page_header(management_page_charset=context.pt_encoding())">Header</h1>
+<h1 tal:replace="structure python: context.manage_page_header(management_page_charset='utf-8')">Header</h1>
 <h2 tal:define="manage_tabs_message options/manage_tabs_message | nothing"
     tal:replace="structure context/manage_tabs">Tabs</h2>
 
@@ -7,7 +7,7 @@
 | context/read" /> 
 <form action="" method="post" tal:attributes="action request/URL1">
 <input type="hidden" name=":default_method" value="pt_changePrefs">
-<input type="hidden" name="encoding" tal:attributes="value context/pt_encoding" />
+<input type="hidden" name="encoding" value="utf-8"/>
 <table width="100%" cellspacing="0" cellpadding="2" border="0">
   <tr>
     <td align="left" valign="middle">