It's six of one and a half dozen of the other, really, but if you're switching
to processing-instructions, why not use something like:
<x>See following image: <?image base64="R0lGODlhDQANAMQ0IAOw==" ?></x>
That way, the image data wrapper remains an easily-searched-for text pattern,
as well as a single atomic unit in the XML infoset.
~ Scott
-----Original Message-----
From: Evan Lenz [mailto:evan(_at_)evanlenz(_dot_)net]
Sent: Tuesday, January 06, 2009 3:47 PM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] CDATA Handling
That's much better. Wish I'd thought of it.
"A bit nervous" and "not too bad" feels much better than "yuck, this is
a horrible hack". So, short of changing the DTD...what Michael said. :-)
JSR, it would look something like this (using
<xsl:processing-instruction/> to generate the PIs):
<x>See following image: <?start-image?>abcde<?end-image?></x>
Evan
Michael Kay wrote:
I'll probably regret this suggestion. No one has mentioned an
alternative possibility (still bad architecturally, just not
quite as bad as using CDATA delimiters): use non-XML "markup"
(text) to delimit the images.
<x>See following image: TARTIMAGE##abcde##ENDIMAGE##</x>
Why use non-XML markup? Processing instructions do the same job better.
I always feel a bit nervous about using processing instructions when I want
to add some markup without changing the DTD. But it's a practical technique
that works (much better than CDATA sections). I don't feel too bad about it
if the PI really is being used as an "instruction" (to a stylesheet) to do
some "processing". And there are cases where (for better or for worse)
getting the DTD changed really isn't an option.
Michael Kay
http://www.saxonica.com/
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