bug#45834: 28.0.50; Mouse events in terminal emacs

[Lars Ingebrigtsen]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>>> C-x a C-g (translated from C-x M-[ O M-[ I a M-[ O M-[ I C-g) is undefined
>
> Which part of this do you consider wrong?
>
>> So somehow what we do in xterm-translate-focus-in causes Emacs to
>> interpret the sequence as an incomplete one.
>
> AFAIK, `C-x` is incomplete and so it `C-x a`, so I don't e anything
> wrong in what is described above.

It's not so much wrong as just pretty confusing.  That is, the original
complaint is that saying `C-h k' and then focusing on some other app
will leave Emacs saying "Describe the following ...: ESC [ O -", which
wasn't the case in Emacs 26 (because we hadn't enabled mouse-in/out in
xterm.el).

-- 
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   bloggy blog: http://lars.ingebrigtsen.no