See for example this diff at enwiki: http://en.wikipedia.org/w/index.php?title=User_talk:Jtmorgan&curid=21472400&diff=532775406&oldid=532629489
The automatic section title in the edit summary doesn't substitute the template. I believe it should.
Version: 1.21.x
Severity: normal
URL: http://en.wikipedia.org/w/index.php?title=User_talk:Jtmorgan&curid=21472400&diff=532775406&oldid=532629489