[NTG-context] Re: Combine \setupdelimitedtext with an author (define custom variable?)

[Hans Hagen via ntg-context <ntg-context@ntg.nl>]

On 6/6/2024 12:30 PM, Gerion Entrup wrote:
> Hi,
> 
> I like to achieve something that looks like this:
> ```
> \definedelimitedtext[extract][blockquote]
> \setupdelimitedtext
>    [extract]
>    [leftmargin=1.5pc,
>     style={\italic},
>     before={\setupindenting[next]},
>     after={\blank[1ex] \hrule \blank[1ex] \startalignment[flushright] \tfx\italic{René Descartes} \stopalignment}]
> 
> \starttext
> \startextract
>      Cogito ergo sum.
> \stopextract
> \stoptext
> ```
> 
> So it should setup a quotation and mentions the author.
> However, here the author is hardcoded within the blockquote. I would like it to use like this:
> ```
> \definedelimitedtext[extract][blockquote]
> \setupdelimitedtext
>    [extract]
>    [leftmargin=1.5pc,
>     style={\italic},
>     before={\setupindenting[next]},
>     after={\blank[1ex] \hrule \blank[1ex] \startalignment[flushright] \tfx\italic{\getcustomvariable{author}} \stopalignment}]
> 
> \starttext
> \startextract[author=René Descartes]
>      Cogito ergo sum.
> \stopextract
> \stoptext
> ```
> 
> Is there an easy way to achieve that?
> I tried with \structureuservariable (like possible in \startchapter) but it does not work.

not all constructs hav ethese user variables (yet)

i'll add an option for arguments tostart/stop so that you can do

\starttext

\definedelimitedtext
   [dextract]
   [blockquote]
   [leftmargin=1.5pc,
    style=italic,
    before=\setupindenting[next],
    after=\setups{extract:whatever}]

\definestartstop
   [extract]
   [arguments=yes,
    before=\setups{extract:start},
    after=\setups{extract:stop}]

\startsetups extract:start
     \startdextract
\stopsetups

\startsetups extract:stop
     \startstopparameter{author}
     \stopdextract
     \blank[1ex,samepage]
     \hrule
     \blank[1ex,samepage]
     \dontleavehmode
     \wordright{\itx\startstopparameter{author}}
\stopsetups

\starttext

\startextract[author=René Descartes]
     Cogito ergo sum.
\stopextract

\stoptext

but first i want Wolfgang to check the patch,

Hans

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