htmlspecialchars and htmlentities will now

encode single quotes to '
(due to feature request in BUG ID#5254)

ext/standard/html.c

@@ -66,6 +66,10 @@ PHPAPI char *php_escape_html_entities(unsigned char *old, int oldlen, int *newle
 		} else if (34 == *old) {
 			memcpy (new + len, """, 6);
 			len += 6;
+		} else if (39 == *old) {
+			/* single quote (') */
+			memcpy (new + len, "'",6);
+			len += 6;		
 		} else if (60 == *old) {
 			memcpy (new + len, "<", 4);
 			len += 4;