I hunted for two days after an index error in my book:
"""
structure > sectioning > chapter @ level 2 : 0.1 -> Sachregister
tex error > tex error on line 95 in file ./prd_test.tex: The file
ended when scanning an argument.
{\startregisterentries {1}\startregisterentry {0}\registerentry
{index}{}{21}{}{[[special cmd: lua call]]}\startregisterpages
\registeronepage {index}{}{21}{2}{[[special cmd: lua
call]]}\stopregisterpages \stopregisterentry \stopregisterentries
\stopregistersection \stopregisteroutput \relax \stopmixedcolumns \else
\strc_registers_place_indeed {index}\fi \endgroup \fi \stopchapter \par
\par \par \par \par \stopproduct
"""
It boiled down to \index{\%} that used to work but doesn’t any more in
current LMTX.
Also, "context --purge" doesn’t delete the tuc file (don’t know if that
changed), so the wrong entry stuck in there, and my code changes didn’t
affect it.
MWE:
\starttext
%\index{\%}
\index[ ]{\backslash}
\index[ ]{\percent}
\index[ ]{\tex{}}
\index[ ]{\tex{}\tex{}}
\index[ ]{\tex{\%}}
\page
\completeindex
\stoptext
For my command index, \index[something]{\tex{something}} works, but is
there a better way to put \\ in there than \index[ ]{\tex{}\tex{}} ?
Hraban
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