Dear list, The following code worked perfectly well with ConTeXt ver: 2021.01.05 10:45 LMTX but produces an error with the current LMTX version (at least since ConTeXt ver: 2021.09.26 17:00 LMTX). Adding an explicit \par at the end of the \head line allows the example to work. Best regards, JP Here is the minimal failing example : =================== \starttext \startitemize \head Title text \stopitemize \stoptext =================== and the corresponding log output : =================== resolvers | formats | executing runner 'run luametatex format': /Users/jprey/Applications/ConTeXt/Current/osx-64/tex/texmf-osx-64/bin/luametatex --jobname="./mfe-head.tex" --fmt=/Users/jprey/Applications/ConTeXt/Current/osx-64/tex/texmf-cache/luametatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.fmt --lua=/Users/jprey/Applications/ConTeXt/Current/osx-64/tex/texmf-cache/luametatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.lui --c:currentrun=1 --c:fulljobname="./mfe-head.tex" --c:input="./mfe-head.tex" --c:kindofrun=1 --c:maxnofruns=9 --c:texmfbinpath="/Users/jprey/Applications/ConTeXt/Current/osx-64/tex/texmf-osx-64/bin" system > system > ConTeXt ver: 2021.11.19 09:31 LMTX fmt: 2021.11.22 int: english/english system > system > 'cont-new.mkxl' loaded open source > level 1, order 1, name '/Users/jprey/Applications/ConTeXt/Current/osx-64/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl' system > beware: some patches loaded from cont-new.mkiv close source > level 1, order 1, name '/Users/jprey/Applications/ConTeXt/Current/osx-64/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl' system > files > jobname './mfe-head', input './mfe-head.tex', result './mfe-head' fonts > latin modern fonts are not preloaded languages > language 'en' is active open source > level 1, order 2, name './mfe-head.tex' fonts > preloading latin modern fonts (second stage) fonts > 'fallback modern-designsize rm 12pt' is loaded tex error > tex error on line 8 in file ./mfe-head.tex: The file ended when scanning an argument. Title \par text \stopitemize \stoptext \stoptext 1 \starttext 2 \startitemize 3 \head Title 4 5 text 6 \stopitemize 7 \stoptext 8 >> mtx-context | fatal error: return code: 256 ============================================ -- Jean-Philippe Rey jean-philippe.rey@centralesupelec.fr 91192 Gif-sur-Yvette Cedex - France Empreinte PGP : 807A 5B2C 69E4 D4B5 783A 428A 1B5E E83E 261B BF51