Re: [xml] empty CDATA sections

[Mark Rowe <mrowe apple com>]

On 03/03/2008, at 22:47, Daniel Veillard wrote:

> On Mon, Mar 03, 2008 at 09:45:18AM -0800, Darin Adler wrote:
> > Hi folks.
> >
> > As you may know, WebKit currently uses libxml2 to handle XML
> > documents, including XHTML. I recently discovered that a number of  
> > Ian
> > Hickson's test cases that work fine in other browsers fail in  
> > browsers
> > based on WebKit. That's because libxml2 discards empty CDATA  
> > sections.
> > I filed this bug:
> >
> >     http://bugzilla.gnome.org/show_bug.cgi?id=514181
> >
> > And Mark Rowe attached a patch that resolves the issue.
> >
> > Daniel pointed out that some clients of libxml2 may be depending on
> > the current behavior; some may see this as a feature rather than a  
> > bug.
> >
> > Does anyone have any comments, objections to this change perhaps or
> > support for the change?
>
>  One of the things which should probably be reviewed is the impact
> when doing XPath/XSLT, i.e. check that with the settings needed to  
> build
> an XPath tree we don't end up with extra text nodes which would break
> XPath adressing, and probably check also the impact when doing type
> validation, i.e. how an empty CDATA added in an element content should
> affect (or not) XSD/RelaxNG. That mean at least a few tests to be  
> added
> to libxml2 regression test suite.

Where can I find documentation about how to write tests for the  
regression test suite?  README.tests in the source tree talks briefly  
about how to run existing tests, but I have been unable to find any  
documentation, either in the source or on the website, about the  
creation of new tests.

Thanks,

Mark

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