Hi, the following example works in mkii, but in mkiv the first 'infull' won't appear: \enableregime [utf] \definesynonyms [StandardAbbrev] [StandardAbbrevs] [\infull] \definesynonyms [TechAbbrev] [TechAbbrevs] [\infull] \StandardAbbrev [DIN] {\kap{din}} {Deutsches Institut für Normung~e.\,V.} \TechAbbrev [FAME] {\kap{fame}} {Fatty Acid Methyl Ester} \starttext \DIN\ (\infull{DIN}) \FAME\ (\infull{FAME}) \stoptext Any ideas? Thank you. Thomas This is LuaTeX, Version beta-0.60.1-2010052906 (Web2C 2010/pretest) (rev 3685) ConTeXt ver: 2010.05.24 13:05 MKIV fmt: 2010.5.31 int: english/english