At 2011-11-22 18:22 +0100, Martin Honnen wrote:
Mark wrote:
I tried to formulate an alternative, thinking this would group-by the
true value of @line were it present, or by zero in its absence, but it
fails:
<xsl:for-each-group select="current-group()" group-by="if(Stamp/@line)
then Stamp/@line else 0">
Can you post details as to why exactly this fails? Do you get an error? Does
group-by="if (Stamp/@line) then number(Stamp/@line) else 0"
work better?
Whenever I have the expression "if ( x ) then x else y" and x is a
node, as can be used in this example, I use:
(x,y)[1]
... which in your example translates to:
group-by="number((Stamp/@line,0)[1])"
I hope this helps.
. . . . . . . . . . Ken
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