On 12/13/2021 7:19 PM, Aditya Mahajan via ntg-context wrote:
On Mon, 13 Dec 2021, Aditya Mahajan via ntg-context wrote:

Hi,

There is a typo in m-tikz.mkxl (possibly a carry-over from t-tikz.tex). The 
module ends with a spurious `\stopmodule`:

https://github.com/contextgarden/context-mirror/blob/fe714093ebb95e4a870282782e2124cff2e546e5/tex/context/modules/mkxl/m-tikz.mkxl#L113

(Or rather, the corresponding `\startmodule` is missing).
[...]
And since tikz is a latex module, in the true LaTeX spirit, the error goes away 
(for obvious reasons) if I move the \usemodule[tikz] to after the font 
definitions. It took quite a while to figure out what is happening.

Actually, the missing \startmodule is not a culprit for this error. Even after 
fixing that, something goes wrong. Here is a minimal example:

\permanent\protected\def\starttikzinput
   {\pushoverloadmode
    \pushcatcodetable
    \setcatcodetable\texcatcodes
    \unprotect
    \catcode`\@=11
    \catcode`\|=12
    \catcode`\!=12
    \autoparagraphmode\zerocount}

\permanent\protected\def\stoptikzinput
   {\autoparagraphmode\plusone
    \protect
    \popcatcodetable
    \popoverloadmode}

\starttikzinput
\input t-pgf
\stoptikzinput


\usetypescriptfile[euler]
\definetypeface[mainfont][rm][serif][pagella][default]
\definetypeface[mainfont][mm][math] [pagellaovereuler][default]
\definetypeface[mainfont][tt][mono] [dejavu][default] [rscale=0.8, 
features=none]
\setupbodyfont[mainfont,11pt]

\starttext
$\dfrac{1}{2}$
\stoptext

which gives the same error: parameter 'fractionrule' in style 2 is not set

Not sure what is happening here.

can you test with the \protect \unprotect removed from these definitions?



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