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From: Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Subject: Re: Mintty 2.4.0 and Deja Vu Sans Mono 2.35: issue with bold
Date: Tue, 12 Jul 2016 16:42:16 +0000 (UTC)
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Warren Young <wyml <at> etr-usa.com> writes:
> On Jul 11, 2016, at 2:43 PM, Thomas Wolff <towo <at> towo.net> wrote:
>> Am 11.07.2016 um 20:52 schrieb Henry S. Thompson:
>>> To see what I'm talking about, look at whatever test page you like which
>>> includes both bold and non-bold text (I use gnus).
> I think the vttest program I pointed to in my other response is more
enlightening.
> By the way, while going through menu item 2 of vttest to produce the
screen shot I posted, I noticed that its notion of “last line” appears to be
line 24. Is it a weakness of MinTTY, vttest, or the VT-whatever protocol
that it can’t tell that my MinTTY window is 60 lines high?

IIRC vttest is designed to test text emulations of real DEC/Cpq/HP VT###
terminals, which mainly offered only 24/25 lines but did support a
"condensed" font 132 column mode as well as 80 columns, and some quirky
features. 

man mintty may be a more canonical test of bold font handling; on my setup
(Win 7 x64, latest Cygwin curr), DejaVu Sans Mono/Book/9, with Show bold as
font selected, shows BOLD; with Show bold as font deselected, and Show bold
as colour selected, bold shows as grey; with Show bold as colour deselected,
bold shows only somewhat darker. 

>>> The setting of 'Show bold as font' has no effect.
>> It's using shadowed (self-drawn) bold mode, not the bold font, with
DejaVu; with other fonts it's using the bold font.
> If you open the Fonts control panel, in the default Large Icons view, do
you see all four variants of Deja Vu Sans Mono stacked together?

If you select mintty/Options/Text/Font/Select/Font/DejaVu Sans Mono shows
Font Styles Book, Oblique, Bold, Bold Oblique, so there should be no font or
handling problems with mintty. 

Font aliasing selection within mintty, Windows ClearType settings, and their
interactions, may cause more (suppression of?) variations in font display,
and be worth checking.