[Zope] Preventing duplicates in ZCatalog

[Wankyu Choi]

Hi,

Further inverstigation found that CMFCatalogAware was just a start of the
inheritance hierarchy.

But, CatalogPathAware wasn't imported in any way during initializing CMF.
And I found a couple of **very old** articles saying importing
*CatalogAware* in CMF is deprecated... huh?

Am I wrong in inheriting from PortalContent.py for example?

Wakyu Choi
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  Wankyu Choi
  CEO/President
  NeoQuest Communications, Inc.
  http://www.zoper.net
  http://www.neoboard.net
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