User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0 Build ID: 20161019084923 Steps to reproduce: 1. Open a page where flash is given focus. 2. Attempt to use "alt-f", then "x" to exit the browser entirely. Actual results: Alt-f is captured by flash and makes the plugin run full screen. Expected results: Alt-f should open the "File" menu, and x should select "eXit". That is the standard for all pages without a flash element. The behaviour with a flash element is therefore, non-standard. It's possible that this is true not just for flash, but all plugins that steal focus. With flash, it's probably a security hole. At the very least, the following combos should probably be reserved for the browser, outside a full screen plugin: alt-f, alt-e, alt-s, alt-b, alt-t, alt-h
Component: Untriaged → Plug-ins
Product: Firefox → Core
Status: UNCONFIRMED → RESOLVED
Last Resolved: a year ago
Resolution: --- → DUPLICATE
Duplicate of bug: 181177
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