Hi Ragulf,

On Fri, Jan 02, 2004 at 07:56:47AM +0000, Ragulf Pickaxe wrote:

> The number function returns NaN when the string cannot be expressed
> as a number - therefore this goes wrong.

Should have read the spec on that one---I naively assumed it would
return as much of a number as it could make.

> If you do not know beforehand the units, but need them from the
> string, then you can do a recursive solution taking one letter at a
> time, checking if it is a number. If it is not a number, you print
> out the units.

Thanks for this.  I used a combination of your code and Michael Kay's
suggestion using translate() to strip the units:

<xsl:variable name="upper-margin"
select="concat(number(translate($page-height, translate($page-height,
'0123456789.', ''), '')) div 3.75, translate($page-height,
'012345679.', ''))"/>

Of course, that's quite ugly and I should probably break it out into
separate templates to strip the units and identify the units, but it
works.


-- 
Paul.

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