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Re: Cannot have multiple DOCTYPE declarations

• To: c p <bugs75il@y...>
• Subject: Re: Cannot have multiple DOCTYPE declarations
• From: Liam Quin <liam@w...>
• Date: Sun, 13 Mar 2005 00:39:39 -0500
• Cc: xml-dev@l...
• In-reply-to: <20050310190008.55307.qmail@w...>
• References: <20050310190008.55307.qmail@w...>
• User-agent: Mutt/1.5.6+20040907i

On Thu, Mar 10, 2005 at 11:00:07AM -0800, c p wrote:
> I have a directory that holds a whole bunch of XML
> files.  For each such directory, I also have an
> index.xml file.  In the index.xml file, it holds some
> text data to describe that directory content and then
> it includes a reference to each XML file in that
> directory.  This referencing is done through entity
> file.

Most likely you want one of:

(1) to use links instead of entity references
    depending on how you process the XML, you might use
    XLink, or even just <a href="..."> ...</a>

(2) you might be trying to include fragments of XML in
    a single larger file.  The DTD (if any) referred to
    is for the result of including them, and should be
    referenced by the outer "index.xml" file.

    The individual pieces should not have DOCTYPE at
    the start, as they are external parsed entities (in
    XML jargon) and not complete documents.

(3) you want to do (2) but to include entire XML files.
    In this case, either use XInclude (e.g. with libxml
    and/or xsltproc) to include them, or set up each XML
    file like this (here is "outer.xml" for example:)
    <!DOCTYPE whatever SYSTEM "XXX" [
        <!ENTITY the-doc SYSTEM "inner.xml">
    ]>
    &inner.xml;

    and in index.xml include inner.xml rather than outer.xml
    The outer.xml file is just a wrapper so you can include the
    same document from two places.

But I think (2) is most likely what will work for you -- just
delete the DOCTYPE declarations on the included files.

Liam

-- 
Liam Quin, W3C XML Activity Lead, http://www.w3.org/People/Quin/
http://www.holoweb.net/~liam/

• References:
  • Cannot have multiple DOCTYPE declarations
    • From: c p <bugs75il@y...>

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