Comment 7 for bug 1499942

I have a machine running 16.04, under Unity.
* I opened LibreOffice Writer, and then:
  * pressed Alt -- the LOW main menu appears, and the entries have their character trigger underlined;
  * pressed Alt-F -- the submenu for File opens up, and *all* character triggers are underlined. But No other main menu
  entry shows the triggers, including entries from Main.
* Opened Firefox. Alt alone shows the main menu, but *only* File has been set to use a character trigger.
* Opened Chrome -- Alt shows the main menu and behaves like Firefox, with one exception: Alt-F shows a different sub-
  menu from (using the mouse) pointing to, and clicking on, File.

For the other sub-menus from Main (for the three appls tested), some already have default (and personalised) keyboard shortcuts.

I am not a DE (Gnome, or Unity, or any other DE) programmer, but it sounds like this is the expected behaviour.

I do agree that minimising mouse usage is a Good Idea (TM); even more, I sort of agree that a *common* behaviour should be expected, and desired. But this (I think) would require a revamp of the UI for all programs (since it is quite clear that this is, to a point, controlled by each individual program).

Not sure how to keep on here.