text-scale-decrease changes text-scale-mode without font changes

[fatiparty--- via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>]

Nov 6, 2021, 19:52 by tomas@tuxteam.de:

> On Sat, Nov 06, 2021 at 06:48:00PM +0100, fatiparty@tutanota.com wrote:
>
>> Nov 6, 2021, 16:30 by tomas@tuxteam.de:
>>
>> > On Sat, Nov 06, 2021 at 04:55:45PM +0100, fatiparty--- via Users list for the GNU Emacs text editor wrote:
>> >
>> >>
>> >> Nov 6, 2021, 15:40 by daniel.herzig@outlook.at:
>> >>
>> >> >
>> >> > Increasing and decreasing font size works for me (emacs 27.x.y [at least since 26] on pure Debian, Raspbian,  Guix, and  Windows 10)   using the built-in keybindings ‚ ~C-x C-+~, and ~C-x C--~, respectively.  I haven’t had a look though which functions are called by these bindings.
>>
>
> [
> ...]
>
>> The problem is related to having the following call
>>
>> (setq text-scale-mode-step 1.0)
>>
>
> Well, this is telling Emacs that the fonts are to be
> scaled by a factor 1.0 at each step, i.e. leaves them
> unchanged. So it is working as it should :-)
>
> The default value is 1.2, which makes somewhat more
> sense. Try another value (I guess you want something
> greater than 1).
>
> Cheers
>  - t
>
Thank you, resolved behaviour with a value greater than one.