erlaube Umbrüche in Versen nach angegebenen Texten

verses_with_chords.ly

@@ -103,9 +103,24 @@
    (interpret-markup layout props
      (make-size-box-to-box-markup #f #t (make-stanza-raw-markup arg) (make-stanza-raw-markup "x"))))
 
+#(define (handle-custom-newlines custom-verse-breaks text)
+  (if (null? custom-verse-breaks)
+    text
+    (let make-custom-linebreaks
+      ((break-words custom-verse-breaks)
+       (newtext (ly:regex-replace (ly:make-regex "\n") text " ")))
+      (if (null? break-words)
+          newtext
+          (make-custom-linebreaks
+            (cdr break-words)
+            (ly:regex-replace
+              (ly:make-regex (string-append "(" (ly:regex-replace (ly:make-regex "(.)") (car break-words) "(?:\\(?" 1 "| *,[^,)]+\\)" 1 ")") "(?: *,[^,)]+\\))?)(.*)$"))
+              newtext
+              1 "\n" 2))))))
+
 % Kompletten Vers mit Akkorden
 #(define-markup-command (chordverse layout props stanza verse) (markup? string?)
-   #:properties ((intraverse-vspace 0))
+   #:properties ((intraverse-vspace 0)(custom-verse-breaks '()))
    "Vers mit Akkorden"
    (let* ((fromto (chain-assoc-get 'transposition props #f))
           (transp (if fromto
@@ -116,18 +131,18 @@
      (markup #:override `(baseline-skip . ,(+ intraverse-vspace songTextLineHeigth)) #:anchor-x-between #:stanza stanza
        (make-wrap-newline-markup
                (ly:regex-replace (ly:make-regex "\\(( *)([^,()]*)( *),([^)]*)\\)")
-                 (ly:regex-replace (ly:make-regex "(([^ \n]*\\([^()]*,[^()]+\\)[^ \n(]*)+)") verse " \\concat { " 1 " } ")
+                 (ly:regex-replace (ly:make-regex "(([^ \n]*\\([^()]*,[^()]+\\)[^ \n(]*)+)") (handle-custom-newlines custom-verse-breaks verse) " \\concat { " 1 " } ")
                 "\\textup \\line { \"" 1 "\" " 2 " \"" 3 "\" } \\score { \\transposable " transp " \\chords { s4 " 4 " } \\layout { \\verselayout } }")
                 )
      ))))
 
 % Kompletter Vers aus dem Akkorde entfernt werden
 #(define-markup-command (nochordverse layout props stanza verse) (markup? string?)
-   #:properties ((intraverse-vspace 0))
+   #:properties ((intraverse-vspace 0)(custom-verse-breaks '()))
    "Vers ohne Akkorde"
    (interpret-markup layout props
      (markup #:override `(baseline-skip . ,(+ intraverse-vspace 3.0)) #:anchor-x-between #:stanza stanza
-           #:wrap-newline (ly:regex-replace (ly:make-regex "\\(([^,]*),([^)]*)\\)") verse 1)
+           #:wrap-newline (ly:regex-replace (ly:make-regex "\\(([^,]*),([^)]*)\\)") (handle-custom-newlines custom-verse-breaks verse) 1)
      )
    )
 )