RE: dimension arithmetic in xpath

Ronald Walraven writes:
 > Try:
 > 
 > <xsl:attribute name="content-width">
 >           <xsl:value-of select="number(string-before($PageWidth,'mm')) -
 > number(string-before($PageMarginLeft,'mm')) -
 > number(string-before($PageMarginRight,'mm'))"/>
 >       </xsl:attribute>

If one could be sure that all lengths used the same units, sure.  I
think DPC's more cumbersome suggestion of replacing the unit with "*
factor" is necessary, however.

sebastian


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