[NTG-context] italic correction after math
Hans Hagen
pragma at wxs.nl
Tue Feb 13 15:44:20 CET 2018
On 2/13/2018 12:12 PM, Ulrike Fischer wrote:
> In the following example the calligraphic P bumps into the following
> x.
>
> After some searching in the archive I found some discussions from
> 2012 and had the impression that this either shouldn't happen or
> that the behaviour could at least could be changed with
> \setupmathematics[italics=n].
>
> But in my examples \setupmathematics[italics=...] doesn't do
> anything. Every line looks looks identical to me (the second example
> is from the header of xits-math.lfg). Is this behaviour expected? If
> yes, what should one do to get an italic correction is such cases?
>
>
> \setupbodyfont[xits]
>
> \starttext
> x${\cal P}$x\par
> \setupmathematics[italics=1]x${\cal P}$x\par
> \setupmathematics[italics=2]x${\cal P}$x\par
> \setupmathematics[italics=3]x${\cal P}$x\par
> \setupmathematics[italics=4]x${\cal P}$x\par
>
> \stoptext
>
> \setupbodyfont[xits]
> \starttext
> test $a;b;a; b; f;$ test\par
> \setupmathematics[italics=1] test $a;b;a; b; f;$ test\par
> %fontitalics
> \setupmathematics[italics=2] test $a;b;a; b; f;$ test\par
> % fontdata
> \setupmathematics[italics=3] test $a;b;a; b; f;$ test\par
> % quad based
> \setupmathematics[italics=4] test $a;b;a; b; f;$ test\par
> % combination of 1 and 3
>
> \stoptext
hm, seems that i messed up a pointer ... i'll fix it ...
> (xetex inserts a kern of 2.45pt after the math in latex).
context inserts 2.938pt
(luatex uses the opentype route so it might be different than xetex and
pdftex)
Hans
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