Follow-up Comment #30, bug #63018 (group groff):
[comment #29 comment #29:]
> When it is a separate make target (bug #65698), if we wish to
> retain the epsilon kerns the make target must either re-apply
> the shell script after the font generation, or these "gold" AFMs
> should have the extra kerns added once before we pour aspic on them.
[s/epsilon/ellipsis]
Ah, I see. In theory I can't see a reason it would matter which way it's done
(though my font knowledge is far smaller than yours). In practice, the script
for fixing up the kernpairs section post-afmtodit already exists and has been
tested (bug #58897).
> As far as I can tell the "slant" parameter does nothing for
> composite (e.g. a glyph plus an accent glyph on top of each
> other) placement.
As far as I can tell, too, but the sentence in afmtodit(1) says otherwise.
Perhaps it's erroneous.
> What it does do is affect both italic
> correction factors and the subscript correction,
That makes more sense to me. But it still doesn't explain why, as you
observed in comment #26, TI should have such a significant adjustment to the
slant value (more than halving the original) but TBI have none. The metrics
between the two shouldn't be that different.
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