Declaring Types (Continued)
<xsl:variable name="date"
select="'2003-11-20'">is the string “2003-11-20”.
<xsl:variable name="date"
select="xs:date('2003-11-20')"/>is the date November 20, 2003.
<xsl:variable name="date" as="xs:date"
select="'2003-11-20'"/>is an error.