RE: [xml-dev] [Summary] Dangers of Copying Text into an XML Document

["Costello, Roger L." <costello@mitre.org>]

Ah, another excellent point!  Thanks Jonathan.

I will replace the two bullets on CDATA with this:

Partial Markup: the text may contain an incomplete unit of markup, such
as the start symbols of a CDATA section but not the end symbols, a
start tag but not its end tag, or the first delimiter of an attribute
value but not its end delimiter. 

Also, I will add another bullet:

Undefined Namespaces: the text may contain references to namespaces
that are not defined in the XML document.


Are these changes acceptable?

/Roger


-----Original Message-----
From: Jonathan Robie [mailto:jonathan.robie@redhat.com] 
Sent: Thursday, September 06, 2007 1:09 PM
To: Costello, Roger L.
Cc: xml-dev@lists.xml.org
Subject: Re: [xml-dev] [Summary] Dangers of Copying Text into an XML
Document

I wonder about this part:

>    1. CDATA Section (beginning): The text may contain the symbols
used
>       to indicate the start of a CDATA section: <!CDATA[[
>       If the text does not also contain the symbols that indicate the
>       end of the CDATA section then the resulting XML will be in
error.
>    2. CDATA Section (ending): The text may contain the symbols used
to
>       indicate the end of a CDATA section: ]]>
>       If the text does not also contain the symbols that indicate the
>       start of the CDATA section then the resulting XML will be in
error.
>

How is that any different from text that contains the symbols used to 
indicate the start of an element or part of an attribute declaration? 
The more general point is that you have to include whole markup units, 
such as an entire CDATA section, element, attribute declaration, or 
whatever, or errors may result.

Undefined namespaces are also an issue.

Jonathan


Costello, Roger L. wrote:
> Hi Folks,
>
> Many thanks for your excellent inputs.  I have incorporated them into
a
> summary of the issue:
>
> http://www.xfront.com/copying-text-into-xml/
>
> Please let me know of any inaccuracies and of any parts that are not
> clear.
>
> /Roger
>
>
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