>>> My Info: Win7_64, Nightly 49, 32bit, ID 20160526082509 STR_1: (real world example from https://vk.com/im ) 1. Open url data:text/html,<div contenteditable style="line-height:16px;">goargeous<br>bugs</div> 2. Click on word "goargeous" 3. Press Shift+F10 to open context menu AR: Context menu starts with optin "Undo" ER: Context menu should start with option "gorgeous" (to correct the word), as if it was right-click STR_2: (reference of good behavior) 1. Open url data:text/html,<div contenteditable>goargeous<br>bugs</div> 2. Click on word "goargeous" 3. Press Shift+F10 to open context menu AR: First item in context menu is correction "gorgeous", just as expected > [1] data:text/html,<div contenteditable style="line-height:16px;">goargeous<br>bugs</div> > [2] data:text/html,<textarea style="line-height:14px;">goargeous%0Abugs</textarea>

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:53.0) Gecko/20100101 Firefox/53.0 I have tested this issue on Windows 10 x64 with the latest Firefox release (50.1.0) and the latest Nightly (53.0a1-20170116030326) and managed to reproduce it as specified in the description.