Re: [xsl] Identity transformation for XSLT 2.0

Subject: Re: [xsl] Identity transformation for XSLT 2.0
From: David Carlisle <davidc@xxxxxxxxx>
Date: Mon, 17 Dec 2007 11:41:14 GMT
> I think there are two use cases where keeping the entity references through
> the transformation is a valid user requirement:

Yes but usually (or often or sometimes) the way to achieve that is not
to stop there expansion, but just to expand them, collapse them and then
fold them up at the end.

our NAG DTD which has a lot of (as in several thousand) entities each
entity is of the form:

<!ENTITY whatever  '<start-entity xid="whatever"/> .....  <end-entity

when transforming, 

sometimes you let entities expand, sometimes

 you change &whatever; to [[[[amp]]]]whatever; to suppress expansion and

 you want to let it expand, then do the transformation, then replace
 wheaver is (now) between <start-entity xid="whatever"/> .....
 <end-entity xid="whatever"/> replace it by &whatever; and make that the
new definition of the entity (and worry about what to do if different
instances of the entity reference got transformed to different things.

There's no universal right answer, so it's hard to sell (or even give
away:-) an "improved" identity transformation that "fixes" the problem.


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