ysd.dtd -> ispp.dtd

Projects/ISPP/Help/ispp.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!DOCTYPE yasyx SYSTEM "ysd.dtd" [
+<!DOCTYPE yasyx SYSTEM "ispp.dtd" [
  <!ENTITY ob      "{">
  <!ENTITY cb      "}">
  <!ENTITY bs      "\">