collective/collective.dexteritytextindexer — pull request #6 by zupo (2013-02-17 23:18:48+00:00)
Title: If data is already in text/plain, just return it.

There is no need to do a transform if data is already in text/plain. Moreover
this fixes a bug where a text/plain blob file would not get indexed as the
transform machinery wouldn't know what to do with it.