[Checkins] SVN: Products.ZCatalog/trunk/src/Products/PluginIndexes/common/UnIndex.py Remove outdated comment and avoid creating Length() which is done again in the clear method

[Hanno Schlichting]

Log message for revision 121685:
  Remove outdated comment and avoid creating Length() which is done again in the clear method
  

Changed:
  U   Products.ZCatalog/trunk/src/Products/PluginIndexes/common/UnIndex.py

-=-
Modified: Products.ZCatalog/trunk/src/Products/PluginIndexes/common/UnIndex.py
===================================================================
--- Products.ZCatalog/trunk/src/Products/PluginIndexes/common/UnIndex.py	2011-05-17 12:12:23 UTC (rev 121684)
+++ Products.ZCatalog/trunk/src/Products/PluginIndexes/common/UnIndex.py	2011-05-17 12:33:54 UTC (rev 121685)
@@ -58,10 +58,6 @@
         self._index = {datum:[documentId1, documentId2]}
         self._unindex = {documentId:datum}
 
-        If any item in self._index has a length-one value, the value is an
-        integer, and not a set.  There are special cases in the code to deal
-        with this.
-
         The arguments are:
 
           'id' -- the name of the item attribute to index.  This is
@@ -110,7 +106,6 @@
         if not self.indexed_attrs:
             self.indexed_attrs = [id]
 
-        self._length = Length()
         self.clear()
 
     def __len__(self):