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

[Lars Ingebrigtsen]

Ivan Shmakov <ivan@siamics.net> writes:

>       Which makes me wonder if EWW could make use of the facilities
>       provided by 'wid-edit for its forms – just like the rest of
>       Emacs appears to do?

No, reusing the Widget code for non-widget buffers is pretty futile if
you're doing non-trivial stuff.  It sets up so many buffer-local
variables and uses overlays that it's next to impossible to be flexible
about it.  shr uses many buffers for rendering, and then mashes them
together in one buffer, and that doesn't really work for Widget.

(shr used to use Widget before I gave up.)

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   bloggy blog: http://lars.ingebrigtsen.no