On Wed, 4 Sep 2019, Damien Thiriet wrote:

> With biblatex I was using crossref to shorten my .bib files, as can be
> seen in this MWE
>
> @periodical{DebatMem2002,
>    title = {Le Débat},
>    number = {122},
>    langid = {french},
>    date = {2002}
>    }
> @article{ChartiersurRicoeur2002,
>    author = {Roger Chartier},
>    title = {Le passé au présent},
>    crossref = {DebatMem2002},
>    pages = {4--11}
>    }
>
> Which keys should I use to achieve the same under ConTeXt? I found xcrossref
> and percentcrossref keys "Bibliographies.  The ConTeXt way" but could'nt figure out
> how to use them. Here is my ConTeXt MWE
> as a starting point

There is the following code related to crossref in 
publ-imp-definitions.mkiv

\startxmlsetups btx:format:crossref
     \cite[\btxfield{crossref}]
\stopxmlsetups

but this doesn't seem to be trigger and doesn't feel like the correct way 
to handle crossrefs.

Aditya