User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322) Build Identifier: The most recent Firefox upgrade (from the past couple of days) left framebar of http://pages.towson.edu/duncan/tmahome.html was visible in old versions of Firefox and still is in IE, but is in from latest Firefox upgrade. Reproducible: Always Steps to Reproduce: 1. open latest Firefox 2. go to http://pages.towson.edu/duncan/tmahome.html 3. look for missing left framebar Actual Results: same as above Expected Results: Could no longer see left framebar in latest Firefox but could in previous versions and still can in IE. should have brought up left framebar on webpage
I can confirm that this happens too on my computer. But it's not because of a code change in Firefox. The left frame is being blocked by the _files/*htm|$subdocument filter in Adblock Plus. If you disable Adblock or make an exception, it works fine. I guess Easylist added that line to its block list recently. Marking invalid.
Thanks so much. You're right. It was Adblock Plus.
Caused by a third party extension so this isnt a firefox bug, the correct resolution is invalid.