bug#28605: 26.0.60; Part of leftmost character hidden

[martin rudalics]

> By "supply", do you mean setting the GDK_SCALE variable?

No.  I meant an Emacs variable people would set like, for example,
‘focus-follows-mouse’.

> I think that
> the GTK function will pass us the right scaling factor in that case, if
> I remember correctly.  On modern machines, the user supplies the scaling
> by using a GTK tool that doesn't set GDK_SCALE, and the GTK function
> still returns the correct scaling.

OK.

martin