Serial is just another name for TID.

Confirmed by Jim Fulton on zodb-dev.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2467 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/client/app.py

@@ -892,7 +892,6 @@ class Application(object):
                         if oid in mq_cache:
                             del mq_cache[oid]
                     else:
-                        # Now serial is same as tid
                         mq_cache[oid] = tid, data
             finally:
                 self._cache_lock_release()