HTML entities within XSL

You want to have
 
in your XSL stylesheet but you’re getting an error, just put these few lines of code at the top, before the
<xsl:stylesheet…>
tag :
 
<!DOCTYPE xsl:stylesheet [
<!ENTITY nbsp "&#160;">
<!ENTITY AElig "&#198;">
<!ENTITY AMP "&amp;#38;">
<!ENTITY Aacute "&#193;">
<!ENTITY Acirc "&#194;">
<!ENTITY Agrave "&#192;">
<!ENTITY Alpha "&#913;">
<!ENTITY Aring "&#197;">
<!ENTITY Atilde "&#195;">
<!ENTITY Auml "&#196;">
<!ENTITY Beta "&#914;">
<!ENTITY COPY "&#169;">
<!ENTITY Ccedil "&#199;">
<!ENTITY [...]