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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.devel
Subject: Re: Child-frame can not move to proper position when run "env
	GDK_SCALE=2 emacs"
Date: Wed, 10 Jan 2018 08:19:27 -0500
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>> +  {
>> +    int scale = xg_get_scale(f);
>> +    xoff /= scale;
>> +    yoff /= scale;
>> +  }

BTW, why do we presume that scaling is an integer?


        Stefan