bug#23009: 25.0.92; xterm-mouse-mode should not assume UTF-8 coordinates

[Philipp Stephani]

Philipp Stephani <p.stephani2@gmail.com> schrieb am Mo., 14. März 2016 um 18:24 Uhr:

Eli Zaretskii <eliz@gnu.org> schrieb am Mo., 14. März 2016 um 17:43 Uhr:

> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Mon, 14 Mar 2016 13:56:41 +0100
>
> I'd suggest the following (and will happily provide patches if
> accepted):
>
> - Don't enable UTF-8 coordinates at all.  It is too hard to figure out
>   whether they are enabled.  Rather, err on the safe side and only use
>   single-byte coordinates.  (The superior SGR mode, which doesn't suffer
>   from this problem, should remain enabled.)

How about providing a user option, off by default, to enable that?  A
user who knows that this works on her machine will then be able to use
the feature.

I considered that, but then it would be impossible to have different terminals with and without the option. Might still be a good idea, if it's off by default.

Added a patch. I've had to use latin-1 instead of no-conversion to prevent resetting the meta mode. 

0001-Add-customization-option-for-UTF-8-coordinates.patch
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