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

[Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>]

Gerion Entrup schrieb am 17.06.2024 um 13:04:
> Am Donnerstag, 6. Juni 2024, 16:34:03 MESZ schrieb Wolfgang Schuster:
>> [...]
>>
>> Wolfgang
>>
> 
> I tried to combine this with the code of the mail thread: "setuphead in connection with the command argument" but had not luck.
> ConTeXt always stops with:
> ```
> close source    > level 1, order 2, name './mwe.tex'
> tex error       > runaway error: end of file encountered
> mtx-context     | fatal error: return code: 1
> ```
> 
> Here is the MWE:
> ```
> [...]
> 
> \startsetups[my_chapter]
> 	\startlocalheadsetup
> 		\startframed[chapter_frame]
> 			\blank[2cm]
> 			\startfont[Serif sa 8]
> 				\color[darkgray]{\headnumbercontent}
> 			\stopfont
> 			\blank[5mm]
> 			\startfont[SerifBold sa 2]
> 				\color[m-indigo-800]{\headtextcontent}
> 			\stopfont
> 			\blank[1cm]
> 			\startfont[SerifBold sa 1.5]
> 				\color[m-indigo-800]{\structureuservariable{subtitle}}
> 			\stopfont
> 			\blank[3cm]
> 			\startextract[author={\structureuservariable{quoteauthor}}]
> 				\structureuservariable{quote}
> 			\stopextract
> 		\stopframed
> 	\stoplocalheadsetup
> \stopsetups

The userdata environment uses the buffer mechanism of Context which has 
a few limitations where you can use it, e.g. putting the environment in 
the arguments of other commands (like the setup-environment above) 
fails. One way to avoid this is to replace the \startextract ... 
\stopextract in this case with the code for the quoted text, another way 
is to put all content in a buffer and just load the buffer in the 
setups-environment.

\startbuffer[my_chapter]
	\startlocalheadsetup
		\startframed[chapter_frame]
			...
		\stopframed
	\stoplocalheadsetup
\stopbuffer

\startsetups[my_chapter]
   \getbuffer[my_chapter]
\stopsetups

Wolfgang
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