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Note, this is not a problem in MkIV, just LMTX On 10/9/2021 15:53, Rik Kabel via ntg-context wrote:
Error with 20211008 ConTeXt:
ConTeXt ver: 2021.10.08 20:18 LMTX fmt: 2021.10.9 int: english/english
...
tex error > tex error on line 1 in file ./mmm.tex: Undefined control sequence \??markingfilter
<argument> \csname \??markingfilter \v!default \endcsname {chapter} <macro> \sectionheadmarkingtitle #1#2->\clf_markingtitle {#1}{#2 } <macro> \strc_markings_get_yes ...rking \begincsname \??markingclass #1\endcsname {#2}{#3}}\fi \orelse \ifparameter #2\or \markingcommand {#1}{\csname \??markingfilter #2\endcsname {#1}}\else \markingcommand {#1}{\csname \??markingfilter \v!default \endcsname {#1}} \fi \endgroup ... <to be read again>
\fi <macro> \page_layouts_process_element_indeed ...andcolor #1#2\begincsname \??layouttextstrut \layoutelementparameter \c!strut \endcsname \ignorecrlf \edef \p_width {\layoutelementparameter #3}\ifempty \p_width \else \expandafter \page_layouts_process_element_limited \fi \p_text \endgroup <macro> \currentlayoutelement ...kern -\makeupwidth \fi \letfromlayoutelementparameter \p_text \c!righttext \ifempty \p_text \kern \makeupwidth \else \hbox to \makeupwidth \bgroup \hss \page_layouts_process_element_indeed \c!rightstyle \c!rightcolor \c!rightwidth \egroup \fi ...
\stoptext 1 >> 2 %\setupheadertexts [][][{\it\getmarking[chapter]}][] % fails 3 \setupheadertexts [][][{\getmarking[chapter]}][] % fails 4 %\setupheadertexts [][][\getmarking[chapter]][] % succeeds
MWE to create. Note that the \it is not necessary to trigger the error, just the braces.
%\setupheadertexts [][][{\it\getmarking[chapter]}][] % fails \setupheadertexts [][][{\getmarking[chapter]}][] % fails %\setupheadertexts [][][\getmarking[chapter]][] % succeeds
\starttext
\chapter{abc} abc \chapter{def} def \stoptext
-- Rik
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