Dear X11 application developer,
I have created a public domain ISO 10646-1/Unicode version of the old
"fixed" font that comes with the X11 Windows System, or more precisely
which is the 6x13 default font for a large number of X11 applications
and which is used by most people as their xterm font. My "*-iso10646-1"
version is a fully compatible drop-in replacement for the "*-iso8859-1"
The current version of this font covers around 1900 characters,
including all European characters of the commonly used 8-bit character
sets plus a good selection of mathematical, phonetic alphabet, and other
symbols. It is already a big superset of the OpenType WGL4 Unicode
The font may be downloaded from
and more information is available from
If you maintain some X11 terminal emulator, email software, news reader,
web browser, etc., I hope this font might encourage you to consider
adding Unicode support using the UTF-8 encoding to your application. The
UTF-8 MIME type is described in RFC 2044
Using this single font, your application could be able to display not
only Unicode/UTF-8 messages, but with the conversion tables available on
you can easily also support the hundreds of different 8-bit character
sets that are subsets of the characters this Unicode font.
The next X11 release will hopefully contain a number of "*-iso10646-1"
fonts, including this fixed font, and it would be nice if your
software could make use of them.
-- Markus G. Kuhn, Security Group, Computer Lab, Cambridge University, UK email: mkuhn at acm.org, home page: <http://www.cl.cam.ac.uk/~mgk25/>
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