[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: How can I check for the existence of a glyph in TeX?
At 11:31 AM 98/09/10 -0500, Alan Jeffrey wrote:
>> Argh! My TeX tells me right away about missing glyphs (on screen and in
>> the log file) and gives me the context so I can tell where the problem is!
>This works because you use a TeX implementation where there's only one
>notion of `does the glyph exist'.
>On some systems (notably MacOs) whether a glyph exists or not depends on
>which driver you use (eg PostScript drivers have access to all glyphs,
>but QuickDraw drivers don't). So the notion of `missing glyph' has to
>be put off to the driver in some cases.
I find this unacceptable. A font is a font. I can't have TeX not knowing
is going on. The inability of some drivers to get at the glyphs is a bug
that should be fixed, not a `feature' that should be pushed under the rug
by additional layers of hair. JMHO.
Berthold K.P. Horn
Cambridge, MA mailto:email@example.com