On 7/12/2017 11:01 AM, Ulrike Fischer wrote:
Am Wed, 12 Jul 2017 10:00:15 +0200 schrieb Ulrike Fischer:
The problem is that with the stix 2 math fonts, parentheses don't
grow in a font with active +ssty feature when using luatex with the
context based fontloader. (With xelatex everything is fine, harfbuzz
seems to do it as wanted).
Addition: There is also a bug report on stix-site.
https://sourceforge.net/p/stixfonts/tracking/86/
(But I don't know if it is really a bug in the font as xelatex with
harfbuzz has no problems.)
I don't know what harfbuzz does but the font definitely does some ssty
mapping to rather simple glyphs with no extensible parts so basically
it's a font bug. If xetex catches it, find but it's still a bug. Anyway,
the previous mail with the patch checks for al three 'missing' fields so
this is basically the same issue. If not, let me know.
Hans
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