In this example there is no kerning and no ligatures in the math:
\starttext
WAiff $\mfunction{WAiff}$
\stoptext
This is a different behaviour than with legacy math fonts.
A question about this has been asked some month ago on tex.sx
(http://tex.stackexchange.com/questions/252493/ligatures-are-not-used-in-opentype-maths-families).
The problem (or feature) exist also with xetex.
With luatex one can avoid to loose the kerning by loading as math
roman font a font in mode base
(http://tex.stackexchange.com/questions/277362/lualatex-no-kerning-within-operatorname-when-not-loading-lmodern-package/277395#277395,
I have no idea how to do this in context).
Is this a luatex/xetex bug? Or a feature? How could one enable
kerning and/or ligatures without going back to base mode?
--
Ulrike Fischer
http://www.troubleshooting-tex.de/
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