Last modified: 2014-03-10 22:20:38 UTC
As an admin on en.wp, I get a blank edit notice popup on every page I edit, with a red link to the page notice. I seem to recall that this is some interaction with local site JS/CSS, and that this was fixed at some point in the past.
Merging into bug 43013. Gah. :-( *** This bug has been marked as a duplicate of bug 43013 ***