Yes, if you're using Saxon then

<xsl:sort select="@number"
collation="http://saxon.sf.net/collation?alphanumeric=yes"/>

should do the job. 

Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay 

> -----Original Message-----
> From: David Carlisle [mailto:davidc@xxxxxxxxx] 
> Sent: 15 May 2009 20:52
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: Re:  sorting on decimal
> 
> 
> you could use a collation that split up the decimal ranges 
> (saxon has an alphanumeric collation that would probably do the job)
> 
> http://www.saxonica.com/documentation/extensibility/collation.html
> 
> David
> 
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