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\setupsectionworld is unknown in latest beta (at least since some betas before). Can I replace it with some other command? Here is some code using sectionworlds, that Wolfgang wrote for me in 2008, same as in http://wiki.contextgarden.net/Proceedings_style % with help from Wolfgang Schuster, 2008-04-15 % start WS \unprotect \resetvalue{\??sw\v!chapter} \startsetups chapter:list \def\\{{\nomarking{\unskip\nolist\crlf}}} \doiftextelse{\sectionworldparameter\c!author} {\expanded{\writetolist[\v!chapter] {\sectionworldparameter\c!author:\space \sectionworldparameter\c!text}{}}} {\expanded{\writetolist[\v!chapter] {\sectionworldparameter\c!text}{}}} \def\ChapterAuthor{% \doiftextelse% {\sectionworldparameter\c!author}% {\rm\tf\sectionworldparameter\c!author\crlf\vskip0.25em} {}% } \def\ChapterTitle{{\ss\bfb\sectionworldparameter\c!text}} \def\ChapterSubTitle{% \doiftextelse% {\sectionworldparameter\c!subtitle}% {\crlf\vskip0.2em\ss\bf\sectionworldparameter\c!subtitle}% {}% } \stopsetups \setupsectionworld [chapter] [setups={chapter:list}, author=] \def\ChapterCommand#1#2% {\vbox{\ChapterAuthor\ChapterTitle\ChapterSubTitle}} \let\ChapterAuthor\relax \let\ChapterTitle\relax \let\ChapterSubTitle\relax \protect % stop WS Greetlings from Lake Constance! Hraban --- http://www.fiee.net/texnique/ http://wiki.contextgarden.net https://www.cacert.org (I'm an assurer)