divio/django-cms — pull request #1164 by kezabelle (2012-02-06 21:00:15+00:00)
Title: A brief note on the placeholder template tag.

As of version 2.1 (seems so long ago), the placeholder tag became case sensitive, as reported (only recently!) in #1059. As such, despite being somewhat archaic, there ought to be a note that it changed.