Re: arbitrary context commands in xml file

[Hans Hagen <j.hagen@xs4all.nl>]

On 3/5/2021 10:27 PM, denis.maier@ub.unibe.ch wrote:
> Just to provide more information about what I was thinking:
> You do your typesetting based on an XML doc. Now it is time for the finishing touches. In a tex document you'd add the usual commands to manipulate the layout:
> \adaptlayout[lines=+1]
>   \testpage[3]
> \looseness=-1 / \looseness=+1
> \blank
> \setuptolerance
> etc.
> 
> Now, of course you can define an injector for these commands, some are predefined, like page, column, blank.
> But, if my understanding is correct, you'd have to define one for each of the possible parameters.
> 
> So, you'll need:
> 
> \startsetups xml:directive:injector:testpagethree
> \testpage[3]
> \stopsetups
> 
> \startsetups xml:directive:injector:testpagefour
> \testpage[4]
> \stopsetups
> 
> etc., and
> 
> \startsetups xml:directive:injector:addoneline
> \adaptlayout[lines=+1]
> \stopsetups
> 
> \startsetups xml:directive:injector:addtwolines
> \adaptlayout[lines=+1]
> \stopsetups
> 
> Here, I was thinking if something like this could be easier:
> 
> <?context-directive raw-tex-injector \testpage[4]?>
you can also do this:

<testpage n="4"/>

\startxmlsetups xml:testpage
   \testpage[\xmlatt{#1}{n}]
\stopxmlsetup

and register that one (as in previous examples)

Hans

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