On Mon, Aug 11, 2025 at 05:35:13PM +0300, [email protected] wrote:
> Hi. I'm using plan9port troff to try to reconstitute a book
> from the early 1980s. The \(sq character in groff (and in
> the original book) came out as small square.
>
> In plan9 troff I'm getting an upside-down exclamation point.
> Any idea why? How can I get \(sq to give me a square?
In 9legacy, the (sq is defined with PostScript commands in
sys/lib/troff/font/devutf/charlib/sq
So, as long as it is not an index in a font, but a drawing block
of code, it is a bit weird...
You should try to verify the PostScript code produced in order to
verify that the code for the glyph is added and that the entry in the
dictionnary is correctly called.
But after that, there is ghostscript interpreting the code.
You can perhaps take the PS produced and feed it to another
ghostscript just in order to narrow down the culprit: the PostScript
produced or the way it is rendered i.e. the interpreter.
--
Thierry Laronde <tlaronde +AT+ kergis +dot+ com>
http://www.kergis.com/
http://kertex.kergis.com/
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