Re: processing xml in mkiv

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

> > 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.
> >
> 
> OK, then this is a bug. The declaration has to be on the first line,  
> my editor (emacs in nxml mode) doesn't even let me save the file when  
> I introduce a first blank line before it.

No problems with Scite or EmEditor.

> >>>> \xmlprocess{main}{filename.xml}{} works for me.
> 
> Yes, but that would mean you need an environment for every xml file  
> you want to process. I have now tried
> \xmlprocess{main}{\inputfilename}{}
> 
> and this seems to work.
> 
> >> \startxmlsetups xml:section
> >> \section{\xmlatt{#1}{section}{title}}
> >> \stopxmlsetups
> >
> > \startxmlsetups xml:section
> > \section{\xmlatt{#1}{section}{title}}
> > \xmlflush{#1}
> > \stopxmlsetups
> 
> Thanks! I experimented a bit more; I think it has to be
> 
> \startxmlsetups xml:section
> \section{\xmlatt{#1}{title}}
> \xmlflush{#1}
> \stopxmlsetups
> 
> (at least, this seems to work for me...)

I did the same thing in my example but forgot it in my last mail.

> >> \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)
> > ]>
> 
> Hmm, but this isn't valid xml?

I know but it could help to find the wrong definition in the xml parser.

> > but the next one
> >
> > <!DOCTYPE document [
> > <!ELEMENT section (p)>
> > ]>
> 
> Whereas this is valid and processed without problems by mkii?

You should know, MkII read the xml code with TeX macros whereas MkIV
use lpeg to read the xml code.

> Hmm, either mkiv xml handling is still a bit immature, or I'm not  
> mature enough to use it yet :-)

The MkIV is new and still under development, tests like your one help
to find errors and to fix them.

Wolfgang
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