\setuppapersize[A8][A8]
\definelabel [Qb]
[
text=,
alternative=inright,
way=bytext,
headstyle=\ssxx,
headcolor=darkgray,
]
\starttext
\Qb[labelname]This is some text.
As in \in[labelname].
\stoptext
The problem appears to be
with the alternative= key, which I do not see in the wiki for
\definelabel but take to be the MKIV equivalent of the location=
key (as described on the wiki for \setupdescriptions and
presented in numerous examples on the mailing list). The
location= key appears to be ignored, although it does not
otherwise fail, when used in this snippet.
The example produces:
The same code in TL2013
produces: