Re: [9fans] plan9port troff - \(sq character

[LdBeth <andpuke@foxmail.com>]

> In plan9 troff I'm getting an upside-down exclamation point.
> Any idea why?  How can I get \(sq to give me a square?

Viewing the PostScript produced by tr2post, turns out it uses the font
LucidaSansUnicode25 to render the square, which means you need to have
these fonts installed to $PLAN9/postscript/font and then call "psfonts"
programs to embed the PostScript font.

The "NOTICE" file at $PLAN9/postscript/font says:

This directory is intended to contain the same files
as in /sys/lib/postscript/font in a Plan 9 distribution,
including the Lucida Sans Unicode font from B&H.  
The terms of the font license in Plan 9 do not permit 
us to distribute those files here.

As a substitute for the Lucida Sans fonts, 
Plan 9 from User Space provides Luxi Sans,
also by B&H but available under a more liberal
license, and Deja Vu, a Unicode extension of the
Bitstream Vera family of fonts.

Luxi Sans is similar to Lucida Sans except that
it has no Unicode support.  Deja Vu does have 
good Unicode support.


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