Follow-up Comment #4, bug #64155 (project groff):
[comment #3 comment #3:]
> However, Zapf Dingbats is a specific face, not a family. And
> not a member of a family.
Whoops! You're right.
> Remember this old chestnut?
>
> troff: EXPERIMENTS/font-errors.groff:23: warning: can't find font
'BOGUSR'
>
> This is pretty close to the actual problem. If "ZD" is the
> family, then the formatter expects to find fonts named "ZDR",
> "ZDI", "ZDB", and "ZDBI".
This could be what's going on, but the "character not defined" warnings
suggest that groff _is_ successfully (though perhaps wrongly) setting the font
to something that lacks basic alphabetic characters (as ZD does), then running
into the string-comparison issue Deri noted (comment #1). If groff were
seeking a phantom "ZDR" font, the font-setting should fail altogether, leaving
the font as TR, which I wouldn't expect to produce those particular warnings.
> The numeric overflow is interesting.
#NoBoringBugs
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