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From:	David Karr <davidmichaelkarr AT gmail DOT com>
Date:	Wed, 14 Dec 2016 13:33:08 -0800
Message-ID:	<CAA5t8VrLdfux66CegQTR1XcGCs8QXPtKZ1m9BU8YeUVitTYqgA@mail.gmail.com>
Subject:	Re: mintty window gets tilde characters "pressed" in it
To:	cygwin AT cygwin DOT com
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On Wed, Dec 14, 2016 at 12:06 PM, Thomas Wolff <towo AT towo DOT net> wrote:
> I've checked with Caffeine and traced mintty. It receives F15 key down, the
> key up. Caffeine claims to send key up only but that's not true. Please
> report this as a bug to Caffeine.

Understood.  I just did that.  However, will that really make any
difference? If mintty only receives the keyup event, will that make it
ignore it entirely?

> X11 does not seem to handle F13...F24 at all because they don't appear on a
> typical PC keyboard (that's my assumption), so it doesn't occur in xterm. It
> generates a ~ only in terminal applications because a number of key escape
> sequences end with ~.
>
> The key event from Caffeine can be distinguished from a real key event,
> because it does not include keyboard scancode information. So a workaround
> is possible in theory. I'm not sure though whether that's a good idea as
> there may be other applications that inject keys the same way, e.g. drivers
> of other input devices, like Braille.
> Opinions and information are appreciated.

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