Hi Mikael, Yes, that fixes it, thanks. Is there some general guidance on when to use \text and when \mathrm in math mode?
Matthias > On Dec 24, 2025, at 2:23 AM, Mikael Sundqvist <[email protected]> wrote: > > Hi, > > I'm not by computer so cannot test, but you are not expected to use \text > like that. Either do > > ^{\tan} if it is the function tan (but I don't understand why one would do > that) > > or > > ^{\mathrm {tan}} > > if tan is just some abbreviation for tangent or so. > > Does that work for you? > > (In general, use \mtext instead of \text in math mode if you really need some > text in math.) > > /Mikael > > Den ons 24 dec. 2025 03:05Matthias Weber <[email protected] > <mailto:[email protected]>> skrev: >> Dear all, >> >> The combination of tagging and \startalign and \text leads to a compilation >> error. >> >> Minimal example: >> >> \setupbackend[format=pdf/ua-2] >> \setuptagging >> [state=start, >> preset=basic, >> level=2, >> option=interaction, >> ] >> >> \starttext >> >> \startformula >> \startalign >> \NC X^{\text{tan}} \NC = 0\NR >> \stopalign >> \stopformula >> >> \stoptext >> >> results in the attached error log. >> >> >> Commenting out the preamble or removing the alignment ot removing the >> \text{tan} compiles fine. >> >> >> Any workaround/fix will be much appreciated. >> >> Thanks, as always. >> >> Matthias >> >> >> >> tex error > tex error on line 1 in file ./Untitled.tex: >> >> lua error: >> >> registered function call [262]: >> ...-64/tex/texmf-context/tex/context/base/mkxl/lxml-mms.lmt:857: attempt to >> index a nil value (local 'a2') >> stack traceback: >> ...-64/tex/texmf-context/tex/context/base/mkxl/lxml-mms.lmt:857: in >> upvalue 'expandone' >> ...-64/tex/texmf-context/tex/context/base/mkxl/lxml-mms.lmt:631: in >> upvalue 'expandfenced' >> ...-64/tex/texmf-context/tex/context/base/mkxl/lxml-mms.lmt:769: in >> upvalue 'expandone' >> ...-64/tex/texmf-context/tex/context/base/mkxl/lxml-mms.lmt:775: in >> upvalue 'expandone' >> ...-64/tex/texmf-context/tex/context/base/mkxl/lxml-mms.lmt:1097: in >> upvalue 'expand' >> ...-64/tex/texmf-context/tex/context/base/mkxl/lxml-mms.lmt:1044: in >> upvalue 'expandone' >> ...-64/tex/texmf-context/tex/context/base/mkxl/lxml-mms.lmt:1113: in >> upvalue 'tomeaning' >> ...-64/tex/texmf-context/tex/context/base/mkxl/lxml-mms.lmt:1193: in >> field 'verbose' >> ...-64/tex/texmf-context/tex/context/base/mkxl/math-tag.lmt:1168: in >> field 'gettextblob' >> ...-64/tex/texmf-context/tex/context/base/mkxl/lpdf-tag.lmt:1193: in >> local 'action' >> ...-64/tex/texmf-context/tex/context/base/mkxl/lpdf-tag.lmt:1553: in >> upvalue 'makeelement' >> ...-64/tex/texmf-context/tex/context/base/mkxl/lpdf-tag.lmt:2131: in >> upvalue 'structures_tags_handler' >> [string "local tonut = nodes.tonut..."]:25: in function <[string >> "local tonut = nodes.tonut..."]:12> >> (...tail calls...) >> ...-64/tex/texmf-context/tex/context/base/mkxl/node-shp.lmt:38: in >> function <...-64/tex/texmf-context/tex/context/base/mkxl/node-shp.lmt:37> >> (...tail calls...) >> >> 1 >> >> 2 \setupbackend[format=pdf/ua-2] >> 3 \setuptagging >> 4 [state=start, >> 5 preset=basic, >> 6 level=2, >> 7 option=interaction, >> 8 ] >> 9 >> 10 \starttext >> 11 >> mtx-context | fatal error: return code: 1 >> >> ___________________________________________________________________________________ >> If your question is of interest to others as well, please add an entry to >> the Wiki! >> >> maillist : [email protected] <mailto:[email protected]> / >> https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl >> webpage : https://www.pragma-ade.nl <https://www.pragma-ade.nl/> / >> https://context.aanhet.net <https://context.aanhet.net/> (mirror) >> archive : https://github.com/contextgarden/context >> wiki : https://wiki.contextgarden.net <https://wiki.contextgarden.net/> >> ___________________________________________________________________________________ > ___________________________________________________________________________________ > If your question is of interest to others as well, please add an entry to the > Wiki! > > maillist : [email protected] / > https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl > webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) > archive : https://github.com/contextgarden/context > wiki : https://wiki.contextgarden.net > ___________________________________________________________________________________
___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : [email protected] / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___________________________________________________________________________________
