Re: M-x toggle-theme

[Philip Kaludercic <philipk@posteo.net>]

Akib Azmain Turja <akib@disroot.org> writes:

> Philip Kaludercic <philipk@posteo.net> writes:
>
>> Jean Louis <bugs@gnu.support> writes:
>>
>>> * Pankaj Jangid <pankaj@codeisgreat.org> [2022-11-22 10:03]:
>>>> 2. Earlier I wrote a function to toggle themes. Now it is builtin.
>>>
>>> I have just tried: M-x toggle-theme and I get error:
>>>
>>> toggle-theme: Theme ‘light-blue’ does not have any known variants
>>>
>>> This may be because 
>>>
>>>  '(custom-enabled-themes '(light-blue))
>>>
>>> So toggle-theme should have better working.
>>
>> You misunderstand the mechanism by which toggle-theme works.  A theme
>> may declare a family:
>>
>>   (deftheme tsdh-light
>>     "A light Emacs theme.
>>   Used and created by Tassilo Horn."
>>     :background-mode 'light
>>     :kind 'color-scheme
>>     :family 'tsdh)
>>
>> When a theme of this family is enabled, M-x toggle-theme will either
>> prompt the user or toggle the theme to some other member of the family
>> automatically (the latter works if there are only two themes to switch
>> between).
>>
>
> This is nice, no need for modus-themes-toggle in modus-themes.

There was an attempt to deprecate that command in favour of
toggle-theme, but Prot decided against it:

https://lists.sr.ht/~protesilaos/modus-themes/%3C877d116lh4.fsf%40posteo.net%3E#%3C87y1tdeeyw.fsf@protesilaos.com%3E