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

[fatiparty]

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.
>> >
>> >
>>
>> I am using GNU Emacs 27.2.  I get text-scale-decrease and 
>> text-scale-increase to work correctly 
>> after using "emacs -q" on the command line.
>>
>
> So something in your init files is messing that up.
>
> Another font, perhaps? One that "resists" scaling?
>
> You could slice up your init files and try a binary
> search.
>
> Cheers
>  - t
>

The problem is related to having the following call

(setq text-scale-mode-step 1.0)