Yuansheng Zhao

ss06 and ss10 also does not work on LuaTeX. Seems that all combination of look-ups is not working.

@ndandanov Could you please tell me the version you are using and provide a minimum example? The current version (both on GitHub & ctan) does not produce error with XeTeX...

In LuaTeX the following are not working: - Sub/super script or anything equivalent (such as small fraction or matrix) - Cannot use this ss10 with `hbar` with horizontal bar (ss06)....

@itzsimpl I have found out that adding the feature of super/subscripts with better matching with text itself is not that difficult. However, there are many glyphs missing: - Greek letters...

Sorry for the late reply. I think this is mainly the problem of the italic angle of S. As of the newest engine (both xe lad lua) now supports `left...

The regular weight has been made (though there are still lots of problems), it is Copperplate but "not that Copperplate". In fact, some fonts do distinguish these two (like XITS...