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

6 Jun 2024


      On 6/6/2024 4:34 PM, Wolfgang Schuster wrote:
...
Gerion Entrup schrieb am 06.06.2024 um 12:30:
...
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.
\startsetups [userdata:extract]
     \startnarrower
         \setupindenting[next]
         \getuserdata
         \hairline
         \dontleavehmode\wordright{\itx\userdataparameter{author}}
     \stopnarrower
\stopsetups
\defineuserdataalternative
   [extract]
   [renderingsetup=userdata:extract]
\defineuserdata
   [extract]
   [style=italic,
    alternative=extract]
\starttext
\startextract[author=René Descartes]
     Cogito ergo sum.
\stopextract
\stoptext
ah, i start forgetting about these mechanisms ... i added this example 
to th etest suite
Hans

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