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bug#19085: 25.0.50; eww: text fields and undo

From: Lars Ingebrigtsen
Subject: bug#19085: 25.0.50; eww: text fields and undo
Date: Tue, 02 Feb 2016 16:51:26 +1100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.90 (gnu/linux)

Looking at the customize code, the way it manages to survive commands
like `M-t' it by having a before-change-functions that signals the
read-only-ness of everything that isn't a widget, and by adding a
post-command-hook when it errors out to try to restore things, by
extending the text fields to the end of the window, and it still says

EDITED, shown value does not take effect until you set or save it.

if you `M-t' a text field.

This stuff is hard.

(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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