[NTG-context] Re: Use headcommand in \definedescription together with \definehighlight

[Aditya Mahajan <adityam@umich.edu>]

On Mon, 24 Jun 2024, Gerion Entrup wrote:

> Hi,
> 
> I was in the process to convert an itemize part to a description and wanted to simplify the code in the same move.
> I discovered headcommand for that, but struggled to set the text in an highlight _and_ make a colon at the end.

Not sure what exactly you want, but how about:

\definehighlight[hl][style={\m{>}\,\switchtobodyfont[tt]}]
% This is the wrong way to define such a command as '>' is not part of the style. I have left this definition just for comparison with the soln below.

\definedescription[category][
	alternative=top,
	headstyle=bold,
	width=broad,
]

\definedescription[desc][
	width=fit,
	distance={\widthofstring{~}},
    headcommand={\groupedcommand{>\,}{:}}, 
	headstyle=\tt,
	before={\startpacked},
	after={\stoppacked},
	alternative=hanging,
]

\starttext

This is a \hl{highlight}.

Some listings

\startcategory{Itemize}
	\startitemize[packed]
		\item \hl{first}: one
		\item \hl{second}: two
	\stopitemize
\stopcategory

Now the same as desc:
\startcategory{Desc}
	\startdesc{first} one \stopdesc
	\startdesc{second} two \stopdesc
\stopcategory

\stoptext

Aditya
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