Re: processing xml in mkiv

[Wolfgang Schuster <schuster.wolfgang@googlemail.com>]

> OK, here is a minimal example:
> 
> file test.xml:
> 
> <?xml version="1.0" encoding="utf-8"?>
> <!DOCTYPE test [
> <!ELEMENT document   (section)>
> <!ELEMENT section    (#PCDATA)>
> ]>
> 
> <document>
>    <section title="First">
>      <p>This is <quotation>an</quotation> xml file.</p>
>    </section>
> </document>
> 
> file testenvironment.tex
> 
> \usemodule[xtag-ent]
> 
> \defineXMLenvironment[document]
>                       {\starttext}
>                       {\stoptext}
> 
> \defineXMLenvironment[section]
>   {\section{\XMLpar{section}{title}{}}}
>   {}
> 
> \defineXMLenvironment[quotation]
>                       {\quotation\bgroup}
>                       {\egroup}
> 
> 
> When I process with mkii, I get the expected output. Processing with
> 
> texexec --lua --env=testenvironment test.xml
> 
> gives me the first line (here it's not an entire page) I described!

This seems like a bug to me. This did only happen with the content in
the first line because I inserted a empty first line at the begin of
the line the xml header disappeared from the pdf, could be related to
a wrong catcode for the "<" at the beginning of the line.

> >> 2. I'm really lost with the new xml mechanism. My first problem: In a
> >> message from September last year, Hans explained that the command to
> >> process xml files is:
> >>
> >>> The regular definitions still work but processing a file is done
> >>> differently:
> >>>
> >>>    \xmlprocess{id}{filename}{optional initialization setup}
> >>
> >> I used to have environments with which to typeset a bunch of files.
> >> How can  this be ported to the new mechanism, which appears to expect
> >> a filename?
> >
> > \xmlprocess{main}{filename.xml}{} works for me.
> 
> I tried to translate this into the "new" mechanism and thought it  
> should read like so:
> 
> \startxmlsetups xml:mysetups
> \xmlsetsetup{\xmldocument}{text:p|section|quotation}{xml:*}
> \stopxmlsetups
> 
> \xmlregistersetup{xml:mysetups}
> 
> \startxmlsetups xml:p
> \xmlflush{#1}\endgraf
> \stopxmlsetups
> 
> \startxmlsetups xml:quotation
> \quotation{\xmlflush{#1}}
> \stopxmlsetups
> 
> \startxmlsetups xml:section
> \section{\xmlatt{#1}{section}{title}}
> \stopxmlsetups

\startxmlsetups xml:section
\section{\xmlatt{#1}{section}{title}}
\xmlflush{#1}
\stopxmlsetups

> \starttext
> \xmlprocess{main}{test.xml}{}
> \stoptext
> 
> But then, I only get "invalid xml file" in the output.

Remove the DOCDATA definition from your xml file, seems the parser has
problems with "<>" pairs inside of the DOCDATA definition.

The following line give me a pdf file

<!DOCTYPE document [
<!ELEMENT section (p)
]>

but the next one

<!DOCTYPE document [
<!ELEMENT section (p)>
]>

give only "invalid xml file".

Wolfgang
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