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From: Greg Stark <gsstark@MIT.EDU>
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Subject: Smiley.el
Date: 07 Nov 1997 02:02:34 -0500
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Ever wish you smiley.el worked on a terminal? Well it can't, but it there are
two smiley faces in the standard pc console font that it could use. I don't
know what console escape sequence to use to access them except on linux. On
linux the escape sequence to switch fonts is: ^[[11m and the characters are 1
and 2.

So:
(aset standard-display-table 25 (vector (create-glyph "\^[[11m\^A\^[[10m")))
(aset standard-display-table 26 (vector (create-glyph "\^[[11m\^B\^[[10m")))

make ^X and ^Z display as smiley faces on a terminal on linux i386 
(and probably on an alpha with a vga card).

One caveat, W3 already plays with the display-table for for ^A-^O in the
standard-display-table. I want to make it use a private display-table but as
it stands it would be nice if Gnus used either higher control characters,
control characters with the high bit set, or a private display-table.

greg