Sorry, I tested again and it worked. Thank you very much.

El mar., 7 de abr. de 2020 a la(s) 06:18, Jairo A. del Rio (
jairoadelrio6@gmail.com) escribió:

> 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!
>> >
>> > maillist : ntg-context@ntg.nl /
>> http://www.ntg.nl/mailman/listinfo/ntg-context
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>> > archive  : https://bitbucket.org/phg/context-mirror/commits/
>> > wiki     : http://contextgarden.net
>> >
>> ___________________________________________________________________________________
>> >
>>
>>
>> --
>>
>> -----------------------------------------------------------------
>>                                            Hans Hagen | PRAGMA ADE
>>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>>         tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
>> -----------------------------------------------------------------
>>
>