[NTG-context] some mac fonts do not work correctly

Ulrike Fischer news3 at nililand.de
Tue Jul 23 20:49:04 CEST 2019


Hello Hans,

we got a bug report that some (proprietary) mac fonts don't work
correctly. The reason seem to be that the OpenType cmap format used
by these fonts isn't supported by the fontloader. 

The necessary cmap formats are "platform 0 (Unicode), encoding 1
(Unicode 1.1(?)), format 12" and maybe as a fallback "platform 1
(Mac), encoding 0 (Roman), format 0".

A test would be 

\starttext
\font\oddfont="Big Caslon Medium" \oddfont A
\stoptext

(I don't have a mac and so couldn't check)

The bug report we got is here

https://github.com/u-fischer/luaotfload/issues/73


-- 
Ulrike Fischer 
https://www.troubleshooting-tex.de/



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