Last modified: 2014-05-04 14:06:16 UTC
Created attachment 15241 [details] Screenshot of bug I see this quite often lately. Seems to be more common when looking at a js page in the MediaWiki namespace on foreign wikis. Not sure what the exact trigger is. See attached screenshot.
This looks like bug 54091, which has some more comments, but no clear reproduction steps either. :(
Change 130425 had a related patch set uploaded by Gerrit Patch Uploader: jquery.suggestions.js: Use body width instead of document width https://gerrit.wikimedia.org/r/130425
*** This bug has been marked as a duplicate of bug 54091 ***