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On 04/10/2010 18:48, Terry Ofner wrote:
I am mystified as to how the<xsl:if test="position()!=1">;</xsl:if> knows to put the semicolon after every grouped @main item except the last one. it doesn't:-) it puts a semicolon _in front_ of every item except the first. Incidentally I think I saw somewhere Michael commenting that for long sequences <xsl:for-each select=....> <xsl:if test=position()!=1>,</xsl:if> <foo/> </xsl:for-each> is more efficient (or at least more easily streamed, or something) than the otherwise equivalent
as in the first case you can start outputting straight away but the last case you need either to delay until you know last() (ie the length of the sequence) or you have an optimiser smart enough to know you don't really need to know the value of last() just that ther eis another one coming up.... David
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