Last modified: 2014-02-12 23:55:18 UTC
$wgMFPhotoUploadAppendToDesc treats new lines as literals (\n). Instead, it should translate '\n' as an actual newline. I suspect the problem is actually in the JS or the template that handles the photo upload descriptions, but haven't really dug into this yet.
per comments on IRC, was just a case of looking at the wrong file :) Works with "
/me slaps myself