Re: [xsl] less than zero

[David Carlisle <davidc at nag dot co dot uk>]

> <xsl:variable name="notesleftmargin"><xsl:value-of
> select="ancestor::dxl:richtext//dxl:pardef[@id=$pabid]/@leftmargin"/></xsl:v
> ariable>

That defines the variable to be a result tree fragment with a root node,
and a text node with the string value of the leftmargin attribute.
It would be much more efficient to go

<xsl:variable name="notesleftmargin"
 select="ancestor::dxl:richtext//dxl:pardef[@id=$pabid]/@leftmargin"/>

which defines the variable to be that attribute node, or even


<xsl:variable name="notesleftmargin"
 select="number(ancestor::dxl:richtext//dxl:pardef[@id=$pabid]/@leftmargin)"/>

which defines it to be a number.

  <xsl:variable name="leftmargin" select="$wert - 1"></xsl:variable>

  <xsl:if test="number($leftmargin) &lt; 0"><xsl:variable name="leftmargin"
  select="0"></xsl:variable></xsl:if>

This is trying to declare leftmargin after it has already been declared.
You can't do that. You can not declare a variable that is in scope.
(And of course you can't change the value of a variable once it is
bound.)

David

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