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Date: Thu, 19 Dec 2019 20:26:14 +0900
From: Takashi Yano <takashi.yano@nifty.ne.jp>
To: cygwin@cygwin.com
Subject: Re: Bold typeface bug since cygwin-3.1.0
Message-Id: <20191219202614.71ecb04415ab2ddb82ab9aa9@nifty.ne.jp>
In-Reply-To: <20191218090708.GI10310@calimero.vinschen.de>
References: <3776b860-da8f-3197-1e2a-0ca4ce63323e@gmail.com>	<20191218090708.GI10310@calimero.vinschen.de>
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On Wed, 18 Dec 2019 10:07:08 +0100
Corinna Vinschen wrote:
> On Dec 17 10:07, Bruce Jerrick wrote:
> > Problem:
> > Since cygwin-3.1.0-0.7 (test) and now with cygwin-3.1.0-1, in mintty
> > (mintty-3.1.0-1), text in bold typeface disappears after certain
> > commands are executed.
> > 
> > I have seen the problem under Windows 10 1903 and Windows 10 1903
> > Insider Previews, on x86_64 VMware virtual machines.
> > It does not happen under Windows 8.1 .  I do not know about Windows 10
> > 1809; if it's really, really important I may be able to find out.
> > It does not happen if I revert to cygwin-3.0.7 .
> 
> This sounds like a small problem with the new pseudo console
> integration.  Takashi, care to have a look?

I looked into this problem, however it seems difficult to fix it.

On Tue, 17 Dec 2019 10:07:33 -0800
Bruce Jerrick wrote:
> That causes the bold "BOLD" to disappear (replaced by whitespace).

Actually, that is not whitespace, but white "BOLD" on white background.
If you set background color to other color than white, you can see bright
white "BOLD".

When cygcheck or chkdsk is executed, screen is redrawn by pseudo console.
In this process, "ESC[1mESC[97m" is sent before "BOLD". This is not
controllable from cygwin1.dll.

I usually use mintty with black background and light-gray forground, so
I was not noticed this behaviour.

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>

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