add default chordName exceptions

default_style.ly

@@ -22,12 +22,13 @@ refStringWithNumbers = "Ref. ~a:"
 % hübsche Wiederholungszeichen für den Liedtext
 repStart = "𝄆"
 repStop = "𝄇"
+customChordPrintings = {}
 
 \paper {
   cueMarkup = \markup {
     \italic
       #(make-on-the-fly-markup (lambda (layout props m)
-        (interpret-markup layout props 
+        (interpret-markup layout props
           (string-join (map (lambda (n) (format #f "~@r." n)) (chain-assoc-get 'cues props)) ", ")))
         (make-null-markup))
   }