On 13-3-2010 12:03, Taco Hoekwater wrote:
Hi,
See http://tracker.luatex.org/view.php?id=345
I've tried to fix this by checking the \catcode of the current
character for 'new math fons' instead of relying on the font's
space() fontdimen like TeX82 does.
This fix is based on the assumption that the 'high numbers' won't
have \catcode 11, so that only the low upright alphabetic characters
will have the italic correction stripped, and those are exactly the
ones we want to reach in 'typical' new math input: this nicely covers
operators that have 'names' like \sin, and any other uses of \rm
in math mode.
The downside is that this fix will break stuff like
$ A {\it forces} B $
but I see no way to tackle that automatically.
can it be solved with extra info that travels with the glyphs? after
all, there are not that many math fonts and we could add extra info
(e.g. using fea files)
Hans
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