Hi all, sorry if this is obvious and I have simply overlooked something. I need the character U0113 "emacron." It is not present in the font I use. In mkii, I could simply write \=e, and TeX would take care of building (faking) the character. When I try this in mkiv, I get an error: error: ...al/texlive/texmf-local/tex/context/base/font-otf.lua:3329: attempt to index field '?' (a nil value) I'm not complaining about this somewhat opaque error message, but I'm wondering how I can fake this glyph. There was an older discussion on the list which pointed me to char-utf.tex and \definecomposedutf, but the file says "This feature is obsolete." So what would be the canonical way to build such a character in mkiv? Thanks a lot, all best Thomas