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bug#31692: Emacs sometimes drops key events


From: Eli Zaretskii
Subject: bug#31692: Emacs sometimes drops key events
Date: Wed, 06 Jun 2018 17:45:16 +0300

> From: Michael Heerdegen <address@hidden>
> Cc: Radon Rosborough <address@hidden>,  address@hidden
> Date: Tue, 05 Jun 2018 23:40:55 +0200
> 
> AFAIU, this quit-like effect should be limited to `while-no-input' and
> not be propagated to top-level.

I don't think I understand what you mean by "not propagated".  The
documentation says that if input arrives, the forms in the body of
while-no-input are _aborted_ as if by interrupt.

> I also read the documentation of the
> low-level tools with which this is implemented - `throw-input' and
> `quit-flag', and that also gives me the impression that generating a
> "quit" signal is not intended (that would also be not very useful).  We
> only want a quit to come through when the user really quits (C-g) -
> that's while `while-no-input' (which uses `with-local-quit' that sets
> `quit-flag') explicitly quit - but only when a quit had been
> intercepted.

But in your case while-no-input was the top-level form, no?  So where
else can a quit throw?





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