Sanjoy Mahajan wrote:
> This minimal file [case 1]:
>
> \setuphead[chapter][numbercommand={\gobbleoneargument}
> ]
> \starttext
> \chapter{One}
> \stoptext
>
> fails. Whereas if the first two lines are replaced by [case 2]:
>
in this case the command is
"{\gobbleoneargument} "
and
{\gobbleoneargument} {some text}
will fail because gobble runs into an }
> \setuphead[chapter][numbercommand={\gobbleoneargument},
> ]
>
in this case the command is
{\gobbleoneargument"
and
\gobbleoneargument{some text}
work sok
> or [case 3]:
>
> \setuphead[chapter][numbercommand={\gobbleoneargument}]
>
> then it's fine. Is this a bug or a feature of TeX's tricky spacing
> rules? And how can I think about ConTeXt's parsing in way that the
> difference between cases 1 and 2,3 is obvious?
>
idem
it's
[key=value]
[key=value, nextkey=nextvalue]
(spaces are dropped after the comma) so in
[key=value ,nextkey=nextvalue]
the comma before the , is part of key's value
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