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Re: nested lists, xml example dtd? anyone?

  • From: Richard Light <richard@l...>
  • To: xml-dev@i...
  • Date: Tue, 13 Jan 1998 09:28:18 +0000

xml sample list
In message <34BB1CE9.FBFDDCCD@a...>, Glenn R Kronschnabl
<grk@a...> writes
>Can someone pls e-mail me an example XML
>dtd that has nested lists?  I have a simple dtd
>that I am trying to use, but I keep getting an extra
>newline (or 2) after a (nested) list using jade (rtf).  I would like
>something as simple as:
>
><list>
>  <item>item1</item>
>  <item>item2</item>
>  <item>
>       <list>
>           <item>item1</item>
>           <item>item2</item>
>       </list>
>   </item>
>  <item>item3</item>
></list>
>
>This appears in rtf (but also shows up as extra paragraphs
>in the fot and in nsgmls) as:
>
>* item1
>* item2
>   * item1
>   * item2
>   <extra newline>
>* item3
><extra newline>

If Jade is outputting extra paragraphs, it is because you have asked it
to, not because of spaces or newlines in the document itself.  

I would guess that the extra 'newlines' (paragraphs) are probably
appearing because you have <item> within <item>.  If you simply put:

(element item
  (make paragraph
        ...
        (process-children)))

then each <item> will produce a paragraph flow object, and you are
effectively asking Jade to produce nested paragraphs.  Of course, RTF,
having a pretty flat model for the document, can't do that, and probably
generates an extra paragraph instead.

>when I put this thru jade without a DTD, I get a whole
>lotta extra space and newlines.  With docbook3 and
>itemizedlists, there is no extra whitespace.  So, I assume
>that a proper DTD is the way to slurp up the unwanted
>whitespace.  Correct?

If you use (process-children-trim) rather than (process-children), a
DSSSL engine will chuck out all leading and trailing space from each
element - this might allow you need to deal with your well-formed input
'as is', rather than having to write a DTD.

Do you know there is a DSSSL list (dssslist@m...)?

Hope this helps,

Richard Light.

Richard Light
SGML/XML and Museum Information Consultancy
richard@l...

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