Last modified: 2014-01-06 22:52:16 UTC
incategory should accept underscores instead of spaces because sometimes folks think in the url format rather than the title format.
Rather - in addition to spaces.
Change 105828 had a related patch set uploaded by Chad: Allow underscores as well as spaces in incategory: https://gerrit.wikimedia.org/r/105828
Change 105828 merged by jenkins-bot: Allow underscores as well as spaces in incategory: https://gerrit.wikimedia.org/r/105828