[PINENTRY PATCH] tty button-related fixes and refinements

[Ineiev]

Hello,

On Fri, Apr 08, 2016 at 01:47:38PM -0400, Ineiev wrote:
>
> I attach some fixes I've come up with when playing with non-ASCII
> texts in buttons.
> 
> The first one simplifies key checking code a little bit; the second
> one fixes a few bugs in underscore processing; the third one lets
> the user see the localized message even if the pinentry doesn't
> support its accelerators (by the way, I think that pinentry
> should localize the messages that aren't customized from the agent,
> like "Press any key to continue."); the last one adds a default
> message to a call of button() so that pinentry won't skip a button
> when its text is localized.

I've fixed a few typos in comments and log messages.

Thank you!
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