bug#70213: Info-mode side window fit-window-to-buffer issue

[Joseph Turner]

Stephen Berman <stephen.berman@gmx.net> writes:

> On Sun, 07 Apr 2024 15:13:07 -0700 Joseph Turner 
> <joseph@breatheoutbreathe.in> wrote:
>
>> Stephen Berman <stephen.berman@gmx.net> writes:
>>
>>> On Sun, 07 Apr 2024 13:07:06 -0700 Joseph Turner
>>> <joseph@breatheoutbreathe.in> wrote:
>>>
>>>> Stephen Berman <stephen.berman@gmx.net> writes:
>>>>
>>>>> On Sun, 07 Apr 2024 10:47:58 -0700 Joseph Turner
>>>>> <joseph@breatheoutbreathe.in> wrote:
>>>>>
>>>>>> Stephen Berman <stephen.berman@gmx.net> writes:
>>>>>>
>>>>>>> On Sat, 06 Apr 2024 18:59:45 -0700 Joseph Turner
>>>>>>> <joseph@breatheoutbreathe.in> wrote:
>>>>>>>
>>>>>>>> On my machine, the following snippet:
>>>>>>>>
>>>>>>>> (progn
>>>>>>>>   (setq fit-window-to-buffer-horizontally t)
>>>>>>>>
>>>>>>>>   (setq display-buffer-alist
>>>>>>>>         '(((derived-mode . Info-mode)
>>>>>>>>            display-buffer-in-side-window
>>>>>>>>            (side . right)
>>>>>>>>            (window-width . fit-window-to-buffer))))
>>>>>>>>
>>>>>>>>   (info)
>>>>>>>>   (window-width))
>>>>>>>>
>>>>>>>> without the patch evaluates to 6
>>>>>>>>
>>>>>>>> with the patch evaluates to 71
>>>>>>>>
>>>>>>>> What happens on your machine?
>>>>>>>
>>>>>>> without the patch: 6
>>>>>>> with the patch: 70
>>>>>>
>>>>>> This indicates that the patch fixes the bug on your machine also.  Right?
>>>>>>
>>>>>>> For an unsplit window, (window-width) returns 80 (with emacs -Q); does
>>>>>>> it also for you?  I'm building on GNU/Linux with Gtk3.
>>>>>>
>>>>>> Sorry, an unsplit window where?  Please clarify the instructions :)
>>>>>>
>>>>>> Thanks!
>>>>>
>>>>> Sorry for being unclear; what I meant is the return value of
>>>>> (window-width) evaluated immediately after starting emacs -Q, so the
>>>>> frame consists of a single window.
>>>>
>>>> 138 on my machine.
>>>
>>> I've never heard of that for -Q.  I though 80, which is what I get, was
>>> standard, at least under X, and that's what the Emacs user manual says
>>> (info "(emacs) Window Size X"): "The default frame width is 80
>>> characters and the default height is between 35 and 40 lines, depending
>>> on the OS and the window manager."  What graphical display system are
>>> you using?
>>
>> I am using EXWM, and I ran emacs -Q as a subprocess inside of the main
>> Emacs process.  The emacs -Q instance ended up being full screen.
>
> Ah, ok, so that overrides the Emacs default frame parameters for X.  So
> I guess that's why you get different results with
> fit-window-to-buffer-horizontally set to t than I do.

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