It does not work. I get the following error message:

You can't use `the character 6' after \the

l.1 6

120806

\lastxpos ->\clf_lastxpos

<write> \noexpand \pgfsyspdfmark {pgfid1}{\the \lastxpos

}{\the \lastypos }

<inserted text>

}\endwrite

<argument> \shipoutscratchbox

\page_shipout_box #1->\clf_shipoutpage #1

\relax \setbox #1\emptybox \global ...

...

l.22 \stoptext

El mar., 7 de abr. de 2020 a la(s) 02:32, Hans Hagen (j.hagen@xs4all.nl) escribió:

On 4/7/2020 4:07 AM, Jairo A. del Rio wrote:
> I've tried using the fix in
> https://tex.stackexchange.com/a/492197/193767 in order to make TikX's
> remember picture feature usable, Code below, just in case:
>
> |\unprotect% This fixes the present
> bug\unexpanded\def\pdflastxpos{\numexpr\clf_lastxpos\relax}\unexpanded\def\pdflastypos{\numexpr\clf_lastypos\relax}%
> This might be needed if you run PGF 3.1.3% see
> https://github.com/pgf-tikz/pgf/issues/675\def\XC@tgt@mod#1{#1}\def\XC@sdef#1#2{\edef#1{#2}}\protect\usemodule[tikz]\starttext\starttikzpicture[remember
> picture]\node(A){Node 1}; \stoptikzpictureHi world
> \starttikzpicture[remember picture]\node(B){Node 2};
> \stoptikzpicture\starttikzpicture[overlay,remember
> picture]\draw(B)--++(0,0.5)-| (A); \stoptikzpicture\stoptext|


\unprotect

\ifcase\contextlmtxmode \else
     \unexpanded\def\pdflastxpos{\numexpr\clf_lastxpos\relax}
     \unexpanded\def\pdflastypos{\numexpr\clf_lastypos\relax}
\fi

% This might be needed if you run PGF 3.1.3
% see https://github.com/pgf-tikz/pgf/issues/675

% \def\XC@tgt@mod  #1{#1}
% \let\XC@sdef\edef

\protect

\usemodule[tikz]

>
> However, the following appears:
>
> l.1 6
>
> 120806
>
> \lastxpos ->\clf_lastxpos
>
> <write> \noexpand \pgfsyspdfmark {pgfid1}{\the \lastxpos
>
> }{\the \lastypos }
>
> <inserted text>
>
> }\endwrite
>
> <argument> \shipoutscratchbox
>
> \page_shipout_box #1->\clf_shipoutpage #1
>
> \relax \setbox #1\emptybox \global ...
>
> ...
>
> l.20 \stoptext
>
>
> I use LuaTeX 1.10 7127 + ConTeXt MkIV 2019.03.21 21:39 (TeX Live
> version), in case this helps. Is another fix necessary? A Metapost
> alternative would be fine, too.
>
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
>
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>


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