[NTG-context] issue embedding from Lua code

Pablo Rodriguez oinos at gmx.es
Fri Nov 1 08:20:17 CET 2019


Dear list,

I have the following sample:

    \setupinteraction[state=start]
    \starttext
    \startluacode
    function document.special_attachment(reference)
        year = reference:sub(7, 10)
        attachment_url = "https://www.boe.es/buscar/pdf/" ..
        year .. "/" .. reference .. "-consolidado.pdf"
        return attachment_url
    end
    \stopluacode

    \unexpanded\def\giveattachment#1{%
        \cldcontext{document.special_attachment("#1")}}

    \def\cE{BOE-A-1978-31229}

    \attachment[file={\giveattachment{\cE}}, color=red]


\attachment[file={https://www.boe.es/buscar/pdf/1978/BOE-A-1978-31229-consolidado.pdf},
     color=blue]

    \giveattachment{\cE}

    \stoptext

I don’t know why I do get the second attachment, but not the first one.
Lua code seems to be fine (given the last command in the sample).

Could anyone explain me what I’m doing wrong?

Many thanks for your help,

Pablo
--
http://www.ousia.tk


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