Dear All, I've updated context, tried to regenerate my tex source and it doesn't compile any more. It was Ok in 0.79 (in March). I am getting tex error after these 3 lines (followed by a blank line and other lines): ... \definestructureconversionset[frontpart:pagenumber][][romannumerals] \definestructureconversionset[bodypart:pagenumber] [][numbers] \definestructureconversionset[backpart:pagenumber] [][numbers] \startsectionblockenvironment[frontpart] \setupuserpagenumber[numberconversion=romannumerals] \stopsectionblockenvironment ... tex error > tex error on line 22 in file D:/source.tex: ! Missing { inserted <to be read again> \edef \currentlistsymbol ->\edef \p_symbol {\listparameter \c!symbol }\doifelseins... \14>:113>:abc ...numbercommand \currentlistsymbol }\else \setbox \b_strc_lis... \strc_lists_apply_renderingsetup ...nderingsetup } \relax \the \t_lists_every... \strc_lists_entry_process ...i \fi \fi \endcsname \dostoptagged \listextrapa... \strclistsentryprocess ...trc_lists_entry_process \clf_poplist ... l.150 Any idea how to fix this? Thanks, Jan