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Date: Wed, 03 Oct 2018 17:24:44 -0700 (PDT)
From: Steven Penny <svnpenn@gmail.com>
References: <5b8db27e.1c69fb81.e3b47.6cd8@mx.google.com>
To: cygwin@cygwin.com
Subject: Re: Cygwin fails to utilize Unicode replacement character
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On Mon, 03 Sep 2018 15:15:26, Steven Penny wrote:
> Expanding on the "Notepad" example, "Notepad" default font is "Lucida
> Console", which doesnt have U+FFFD either. However pasting into "Notepad" will
> still show U+FFFD properly because "Tahoma" has U+FFFD and "Notepad" can
> utilize composite font, while it appears "cmd.exe" and similar cannot.

http://cygwin.com/ml/cygwin/2018-09/msg00060.html

I should correct myself. "cmd.exe" can do this, its called Font Linking:

http://docs.microsoft.com/globalization/input/font-technology

it allows you to pick a "base font", for example "Consolas". Then you can link
another font that has U+FFFD, like "Tahoma". Ideally both fonts would be
monospace, but it seems Windows has no builtin monospace font with U+FFFD.

Then when a missing character is encountered, it will pull from the linked font
if possible.


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