<xsl:for-each select="$TypeParameters/TypeParameter">
<xsl:variable name="constraintsCount" select="count(Constraints/*)" />
- <xsl:if test="$constraintsCount > 0 and count(Constraints/*['Contravariant' or 'Covariant']) != $constraintsCount">
+ <xsl:if test="$constraintsCount > 0 and count(Constraints/*[.='Contravariant' or .='Covariant']) != $constraintsCount">
<xsl:call-template name="CreateGenericParameterConstraints">
<xsl:with-param name="constraints" select="Constraints" />
</xsl:call-template>