add replacement of control characters

xquery/str.xqm

@@ -19,7 +19,16 @@ import module namespace functx="http://www.functx.com";
  : @return xs:string
  :)
 declare function str:normalize-space($string as xs:string?) as xs:string {
-    normalize-unicode(normalize-space(replace($string, ' | | | ', ' ')))
+    normalize-unicode(
+        normalize-space(
+            replace(
+                (: diverse Control Codes entsorgen, siehe https://en.wikipedia.org/wiki/List_of_Unicode_characters :)
+                replace($string, '||€', ' '),
+                (: diversen Whitespace entsorgen, siehe https://en.wikipedia.org/wiki/Whitespace_character :)
+                ' | | | ', ' '
+            )
+        )
+    )
 };
 
 (:~