[NTG-context] Expansion in PDF metadata

Hans Hagen pragma at wxs.nl
Fri Mar 4 10:34:49 CET 2016


On 3/4/2016 7:58 AM, Marco Patzer wrote:
> Hi!
>
> How to expand \translate so that it doesn't show up in the PDF
> metadata? Example:
>
> \setupdocument [metadata:title=\documentvariable{title}]
> \mainlanguage  [sv]
>
> \startdocument [title={\translate[en=Foo, sv=Bar]}]
>    \input knuth
> \stopdocument
>
> This literally shows:
>
>    Title: \translate [en=Foo, sv=Bar]
>
> The following workaround does the job, but it's not that elegant:
>
> \setupdocument [metadata:title=\documentvariable{title}]
> \enablemode [sv]
>
> \startmodeset
>    [en] {\mainlanguage[en]\startdocument[title=Foo]}
>    [sv] {\mainlanguage[sv]\startdocument[title=Bar]}
> \stopmodeset
>
>    \input knuth
> \stopdocument
>
> Is there a better mechanism to support multiple languages in the
> PDF metadata or just have \translate expanded?

\mainlanguage[sv]

\startmodeset
     [*en] {
         \setupdocument [metadata:title=Foo]
     }
     [*sv] {
         \setupdocument [metadata:title=Bar]
     }
     [default] {
         \setupdocument [metadata:title=Far]
     }
\stopmodeset

\startdocument [title={\translate[en=Foo, sv=Bar]}]
   \input knuth
\stopdocument


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