>                 <xsl:value-of select="concat(string(number(regex-group(3))), '-',
>                                  string(number(regex-group(2))), '-',
>                                  string(number(regex-group(1))), 'T',
>                                  format-number(regex-group(4), '00'), ':',
>                                  regex-group(5), ':',
>                                  regex-group(6) />

missing closing "




-- 
Andrew Welch
http://andrewjwelch.com