bug#38684: 26.3; toggle menu bar twice may change frame height

[ynyaaa]

martin rudalics <rudalics@gmx.at> writes:

>> If the frame is narrow enough to display the menu bar for current buffer
>> in two lines and wide enough to display the menu bar for minibuffer in
>> one line, toggling menu bar using minibuffer(M-x menu-bar-mode) twice
>> enlarges the frame height.
>>
>>
>> In GNU Emacs 26.3 (build 1, x86_64-w64-mingw32)
>>   of 2019-08-29 built on CIRROCUMULUS
>> Repository revision: 96dd0196c28bc36779584e47fffcca433c9309cd
>> Windowing system distributor 'Microsoft Corp.', version 6.3.9600
>> Recent messages:
>
> Adding 'menu-bar-lines' to 'frame-inhibit-implied-resize' should be
> the second best cure for that (setting 'frame-inhibit-implied-resize'
> to t being certainly the best).  Other than that, I strongly doubt
> that anyone will fix such corner cases.  Or maybe you want to give it
> a try?
>
> martin

I didn't know the variable. Thank you.

Descriptions in info (elisp)Implied Frame Resizing and
in help C-h v frame-inhibit-implied-resize slightly differ.

first paragraph
info: If this option is non-‘nil’, no implied resizing is done.
help: If this option is t, no such resizing is done.

second paragraph
info: The value of this option can be also a list
help: The value of this option can be also be a list