Index: class-snoopy.php
===================================================================
--- class-snoopy.php	(revision 15549)
+++ class-snoopy.php	(working copy)
@@ -719,13 +719,13 @@
 							chr(176),
 							chr(39),
 							chr(128),
-							"ä",
-							"ö",
-							"ü",
-							"Ä",
-							"Ö",
-							"Ü",
-							"ß",
+							chr(0xE4), // ANSI ä
+							chr(0xF6), // ANSI ö
+							chr(0xFC), // ANSI ü
+							chr(0xC4), // ANSI Ä
+							chr(0xD6), // ANSI Ö
+							chr(0xDC), // ANSI Ü
+							chr(0xDF), // ANSI ß
 						);
 
 		$text = preg_replace($search,$replace,$document);