Created attachment 16284 [details]
Noticed this while investigating bug 14503. It seems to be related.
Happens on Windows and Mac.
Created attachment 16287 [details]
I think this patch is a key to fixing bug 14503.
Created attachment 16288 [details]
Updated patch with correct layout test results.
Comment on attachment 16288 [details]
Adam Roben reviewed this.
*** Bug 14503 has been marked as a duplicate of this bug. ***
Committed revision 25563.