phpbb/phpbb3 — pull request #1064 by EXreaction (2012-11-10 16:48:05+00:00)
Title: Ticket/11189

DEBUG and DEBUG_EXTRA basically do the same thing and it's not clear what the original intention for either was.

Cleanup DEBUG/DEBUG_EXTRA usage and merge them into one DEBUG setting

http://tracker.phpbb.com/browse/PHPBB3-11189