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From: Richard Gabriel <rgabriel@kerio.com>
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Subject: Re: XML in ConTeXt & verbatim text
Date: Wed, 15 Dec 2004 16:43:31 +0100
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Hi Adam,

I did so right now (thanks for the hint!).
But in that file ther's only solved a case when each line of the 
verbatim text is placed in a special tag:

<verbatim>
  <line>Dit \is nogal verbatim !</line>
  <line>Dit is {nogal} verbatim !</line>
  <line>Dit is <nogal> verbatim !</line>
</verbatim>

This is trivial because you can pass the contents of each <line> element 
as an argument to the \type command ( \defineXMLargument[line]{\type} )

But this solution is unusable e.g. for longer program or configuration 
file listings, and, mainly, the DocBook DTD doesn't define such tags.
I need to process multiline verbatims enclosed in a single tag:

<programlisting>
Line 1
      Line 2
Line 3
</programlisting>

---
Of course I have some "dirty" workaround, but the result is really ugly...

\defineXMLenvironment[programlisting]{
  \bgroup
  \startpacked
  \tttf
  \obeylines\obeyspaces\obeytabs
}{
  \stoppacked
  \egroup
}

The line breaks are processed correctly. But all the tabs and spaces are 
treated as a single space. It seems the \obeyspaces and \obeytabs 
command are ignored or they do not work the way I'd expect. This will 
totally break the indentation and tabulation of the verbatim text...


-Richard





Adam Lindsay wrote:

>Richard Gabriel said this at Tue, 14 Dec 2004 16:48:05 +0100:
>
>  
>
>>So I defined a macro to process the <programlisting> tag from the XML file:
>>\defineXMLenvironment[programlisting]{\starttyping}{\stoptyping}
>>    
>>
>
>Richard, 
>
>Have you taken a look at x-contml to see how it solves this problem with
>verbatim?
>
>adam
>  
>

--------------040409000601090602000108
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
  <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
Hi Adam,<br>
<br>
I did so right now (thanks for the hint!).<br>
But in that file ther's only solved a case when each line of the
verbatim text is placed in a special tag:<br>
<br>
&lt;verbatim&gt;<br>
&nbsp; &lt;line&gt;Dit \is nogal verbatim !&lt;/line&gt;<br>
&nbsp; &lt;line&gt;Dit is {nogal} verbatim !&lt;/line&gt;<br>
&nbsp; &lt;line&gt;Dit is &lt;nogal&gt; verbatim !&lt;/line&gt;<br>
&lt;/verbatim&gt;<br>
<br>
This is trivial because you can pass the contents of each &lt;line&gt;
element as an argument to the \type command (
\defineXMLargument[line]{\type} )<br>
<br>
But this solution is unusable e.g. for longer program or configuration
file listings, and, mainly, the DocBook DTD doesn't define such tags.<br>
I need to process multiline verbatims enclosed in a single tag:<br>
<br>
&lt;programlisting&gt;<br>
Line 1<br>
&nbsp;&nbsp;&nbsp; &nbsp; Line 2<br>
Line 3<br>
&lt;/programlisting&gt;<br>
<br>
---<br>
Of course I have some "dirty" workaround, but the result is really
ugly...<br>
<br>
\defineXMLenvironment[programlisting]{<br>
&nbsp; \bgroup<br>
&nbsp; \startpacked<br>
&nbsp; \tttf<br>
&nbsp; \obeylines\obeyspaces\obeytabs<br>
}{<br>
&nbsp; \stoppacked<br>
&nbsp; \egroup<br>
}<br>
<br>
The line breaks are processed correctly. But all the tabs and spaces
are treated as a single space. It seems the \obeyspaces and \obeytabs
command are ignored or they do not work the way I'd expect. This will
totally break the indentation and tabulation of the verbatim text...<br>
<br>
<br>
-Richard<br>
<br>
<br>
<br>
<br>
<br>
Adam Lindsay wrote:
<blockquote cite="mid20041214172728.20974@news.comp.lancs.ac.uk"
 type="cite">
  <pre wrap="">Richard Gabriel said this at Tue, 14 Dec 2004 16:48:05 +0100:

  </pre>
  <blockquote type="cite">
    <pre wrap="">So I defined a macro to process the &lt;programlisting&gt; tag from the XML file:
\defineXMLenvironment[programlisting]{\starttyping}{\stoptyping}
    </pre>
  </blockquote>
  <pre wrap=""><!---->
Richard, 

Have you taken a look at x-contml to see how it solves this problem with
verbatim?

adam
  </pre>
</blockquote>
</body>
</html>

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