but its a best practice to refer a text value
of a node by text(). In case you have child nodes for owner then u will find
yourself troubled.
Actually one has to be very careful using text().
For example in <zz>aaa<!-- a comment -->bbb</zz>
text() selects two nodes (and in xslt1 the second will be discarded in
most contexts)
<xsl:a-t select="book[normalize-space(owner/text())='aaa' or
that will work in XSLT1 as the later text nodes are discarded, but in
xslt2 it will generate an error as owner has more than one text() child
(coming from the indentation) and its an error to pass a sequence of
more than one item to normalize-space (except in backward compatibility
mode)
David
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