bug#43128: Acknowledgement (27.1; DPI change not detected after switching to Emacs 27.1)

[Vincent Bernat <bernat@luffy.cx>]

 ❦  2 septembre 2020 16:58 +09, YAMAMOTO Mitsuharu:

>> After investigating a bit, I see that `read_settings()' is correctly
>> called and the DPI retrieved is correct. However, `apply_xft_settings()'
>> seems to be a noop for me.
>
> The function apply_xft_settings wasn't a no-op when I originally
> removed the dependency on Xft if USE_CAIRO.  But it was changed to a
> no-op as a workaround for Bug#36284.

It may be a bit late now that 27.1 is released, but #36284 has an easy
workaround of moving the default face outside init, while not being able
to adapt to the current desktop DPI settings has no obvious workaround
except restarting Emacs. I'll just compile Emacs without Cairo support
for now.
-- 
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