[NTG-context] \xmldocument vs #1 in \xmlsetsetup

Hans Hagen j.hagen at xs4all.nl
Mon Nov 14 22:32:57 CET 2022


On 11/14/2022 7:28 PM, Pablo Rodriguez via ntg-context wrote:
> On 11/14/22 14:00, Denis Maier via ntg-context wrote:
>> Hi,
>>
>> most examples in the mkiv-xml manual use #1 with \xmlsetsetup, e.g.
>>
>> \startxmlsetups xml:demo:base
>>    \xmlsetsetup{#1}{document|section|p}{xml:demo:*}
>> \stopxmlsetups
>>
>> However, in quite a few occasions I’ve noticed the usage of \xmldocument
>> instead of #1.
>>
>> What exactly is the difference ?
> 
> Hi Denis,
> 
> I have just found the following explanation
> (https://www.pragma-ade.com/general/manuals/xml-mkiv.pdf#search=xmlself):
> 
>    The macro \xmldocument expands to the current document id. There is
>    also \xmlself which expands to the current node number (#1 in setups).
> 
> Now I think that I have abused \xmldocument too much, since I should
> have used #1. But I’m afraid I haven’t got much different results.
> 
> I must also confess that a proper explanation would be helpful (to me in
> order) to understsand when \xmldocument should not be used.
if you load a main xmkl file that is then xml document; there can be 
many xml files loaded at the same time (which you can then access bu 
{whatever} you used and once in the tree nodes are #1)

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