Subject: RE: [xsl] FW: Two-Column XSL question From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Thu, 31 Jan 2008 15:24:41 -0000 |
> 1- <xsl:variable name="others" select="following-sibling::option[position() < 2]" /> selects the immediately following sibling. Same as following-sibling::option[1], but the code was presumably written this way so that 2 could be replaced by any number as the number of columns; if it was 5 then the meaning would be "the first 4 following siblings". > 2- <xsl:for-each select=".|$others"> "|" forms the union of two node sets: in this case, the union of "." (the context node) and $others. So if you want four columns, .|following-sibling::*[position() < 4] selects this node and the next three. > 3- <xsl:if test="not($others)"> not() takes the effective boolean value of its operand; the EBV of a node-set is true except when the node-set is empty. So this (common) construct tests true if $others is an empty node-set. Michael Kay http://www.saxonica.com/
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