Re: separating 'dirty' text nodes
At 02:06 PM 1/27/2005, you wrote:
This is waht is called a "identity transform" used when one wants to transform a tree to another with small changes in it (am i correct?)
An identity transform works to transform an input tree into a copy of itself.
There are two ways of accomplishing this: by simply copying the whole tree (xsl:copy-of select="/"), and by traversing the tree one node at a time in the usual way (<xsl:apply-templates/>), copying it as you go.
The latter version is the more useful one, since it also allows you to match particular nodes to modify them, instead of simply copying them. Accordingly it's what is usually meant in the literature as "the identity transform". An example of such a transform appears by that name in the XSLT 1.0 Recommendation [http://www.w3.org/TR/xslt, section 7.5], and its single template is sometimes called "the identity template".
Since they're not quite exactly identity transforms themselves, I call modifications of this useful stylesheet (i.e., that use the identity template for most nodes, and override it for some) "near-identity transforms" (so I don't have to say "a modified version of the identity transform" all the time :-).
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