Created attachment 8625082 [details] Selection of text is offset.gif User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:41.0) Gecko/20100101 Firefox/41.0 Build ID: 20150618030206 Steps to reproduce: Go to http://www.mediafire.com/developers/core_api/1.3/upload/ In the code window attempt to select some code. Actual results: Tested ESR31, Aurora, Nightly: The selection of text is offset and is not what I tried to select. The text should start to select at the location of the mouse pointer but instead starts lines below. I have attached an animated GIF that shows the problem. Expected results: The text I select is what should be selected of course. Google Chrome also has some problem with selecting the text in that code box but is more accurate. I could not get the page to load in IE.
Doesn't work with the old FF8.
As expected REPRODUCIBLE with DE SeaMonkey 2.35(γ) (Windows NT 6.1; WOW64; rv:38.0 nightly by Adrian Kalla) Gecko/20100101 Build 20150615204754 (Classic Theme) on German WIN7 64bit at <http://www.mediafire.com/developers/core_api/1.3/upload/>
Mass bug change to replace various 'parity' whiteboard flags with the new canonical keywords. (See bug 1443764 comment 13.)
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