[NTG-context] safe way of writing arguments

[Hans Hagen]

Jano Kula wrote:
> Hi!
>
> Is it safe to leave spare comma at the end of the key=value list or 
> other list of arguments?
>   
in most cases it is ok
> It is not nice, but when adding/commenting arguments in readable way 
> (one per line) it's faster and while experimenting with parameters one 
> doesn't have to care about the last comma adding or removing it back and 
> forth, for example:
>
> \setuplayout[
> grid=yes,
> %header=0mm,
> footer=7mm,
> %footerdistance=10mm,
> %cutspace=12mm,
> ]
>   
in this case a space after 12mm is not that problematic because layout 
are calculated in vertical mode and the 12 mm is used in assignments
> or
>
> \setuphead[
> chapter,
> section,
> %subsection,
> %subsubsection,
>   
hm, here it can be troublesome unless i catch an empty case (not sure); 
if you run into troubles with such cases report it to the list and we 
can see if we can catch it
> ][
> textstyle=\ss,
> numberstyle=\ss,
> ]
>   
Hans 

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