xml question

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

Hi,

I played with a little bit with the docbook syntax and came to a
problem with headers.

The text for chapter headers is written between the title elements, to
get the text I use
the \xmlfirst command but this did not prevent the text in the element
to appear again
in the normal document text. As a workaround I introduced the
\ifheading to flush the
content only in chapter headers, is there a better way to do this?

It is also possible to place the title elements outside of the chapter
group where it
is used as a header by itself, I did this now by another test
\ifchapter where I test if
it called within a chapter or not but a better solution is welcome.

My last question is what I the preferef method to define entities in MkIV,
\defineXMLentity is a MkII command and did not fit in the MkIV
xmlsetup commands.

\startbuffer[test]
<?xml version='1.0'?>

<book>

<title>Document with &ConTeXt;</title>

<chapter id="first"><title>The first Chapter</title>

<para>Normal Text.</para>
<para>Normal Text.</para>

</chapter>

<chapter id="second"><title>Another Chapter</title>

<para>Normal Text.</para>
<para>Normal Text.</para>

</chapter>

</book>
\stopbuffer

\unprotect

\startxmlsetups setup
  \xmlsetsetup{\xmldocument}{title}{*}
  \xmlsetsetup{\xmldocument}{chapter}{*}
  \xmlsetsetup{\xmldocument}{para}{*}
\stopxmlsetups

\xmlregistersetup{setup}

\newif\ifheading
\newif\ifchapter

\startxmlsetups title
  \ifchapter
    \ifheading\xmlflush{#1}\fi
   \else
     \title{\xmlflush{#1}}
   \fi
\stopxmlsetups

\startxmlsetups chapter
  \headingtrue
  \chaptertrue
  \chapter[\xmlatt{#1}{id}]{\xmlfirst{#1}{title}}
  \headingfalse
  \xmlflush{#1}
  \chapterfalse
\stopxmlsetups

\startxmlsetups para
  \xmlflush{#1}\par
\stopxmlsetups

\defineXMLentity [ConTeXt] \ConTeXt

\protect

\starttext
\xmlprocessbuffer{main}{test}{}
\stoptext

Wolfgang
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