At 2021-11-10 21:54:21, "Eli Zaretskii" <eliz@gnu.org> wrote:
>> Date: Wed, 10 Nov 2021 17:49:04 +0800 (CST)
>> From: tumashu  <tumashu@163.com>
>> Cc: "emacs-devel@gnu.org" <emacs-devel@gnu.org>
>> 
>> -*** New user option 'xwidget-webkit-buffer-name-prefix'.
>> +*** New user option 'xwidget-webkit-buffer-name-format'.
>>  This allows the user to change the webkit buffer names.
>
>  Using this option you can control how the xwidget-webkit buffers are
>  named.

changed.

>
>> +(defcustom xwidget-webkit-buffer-name-format "*xwidget-webkit: %T*"
>> +  "Buffer name format used by `xwidget-webkit' buffers.
>
>    Template for naming `xwidget-webkit' buffers.
>  It can use the following special constructs:
>
>    %T -- the title of the Web page loaded by the xwidget.

changed.

>
>> +                 (rename-buffer
>> +                  (format-spec
>> +                   xwidget-webkit-buffer-name-format
>> +                   `((?T . ,title)))
>> +                  t)))))
>
>Hmmm... does this mean that the format spec _must_ contain %T?
>Because otherwise all the buffers will have the same name, no?
>Which would mean this change introduces a regression wrt how this
>worked previously, right?

I have tested without %T, it will like  *xwidget-webkit:*<2> ,*xwidget-webkit:*<3> ...
so I think some user will like this and set without %T.