or download this
<!-- SPECIAL CHARACTER ENTITY SETS DECLARED AND REFERENCED HERE -->
<!ENTITY % xhtml-lat1 PUBLIC "-//W3C//ENTITIES Latin 1 for XHTML//E
+N" "xhtml-lat1.ent">
...
%xhtml-special;
<!ENTITY % xhtml-symbol PUBLIC "-//W3C//ENTITIES Symbols for XHTML//E
+N" "xhtml-symbol.ent">
%xhtml-symbol;