Doc-de: Updates

[lilypond.git] / scm / document-identifiers.scm

diff --git a/scm/document-identifiers.scm b/scm/document-identifiers.scm
index 43d26323ff88e6e0de971812adc275bfc853aebb..fcd8f932146181b6dc016eac3d1b9d04fbbd1796 100644 (file)
--- a/scm/document-identifiers.scm
+++ b/scm/document-identifiers.scm
@@ -1,6 +1,6 @@
 ;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
-;;;; Copyright (C) 2006--2011 Han-Wen Nienhuys <hanwen@lilypond.org>
+;;;; Copyright (C) 2006--2012 Han-Wen Nienhuys <hanwen@lilypond.org>
 ;;;;
 ;;;; LilyPond is free software: you can redistribute it and/or modify
 ;;;; it under the terms of the GNU General Public License as published by
@@ -26,16 +26,18 @@
        (map symbol->string
             (cddr (cadr (procedure-source func)))))
        (doc (procedure-documentation func))
-       (sign (object-property func 'music-function-signature))
-       (type-names (map type-name sign))
+       (sign (ly:music-function-signature music-func))
+       (type-names (map (lambda (pred)
+                         (if (pair? pred)
+                             (format #f "[~a]" (type-name (car pred)))
+                             (format #f "(~a)" (type-name pred))))
+                       sign))
        (signature-str
        (string-join
-        (map (lambda (x) (format #f "@var{~a} (~a)"
-                                 (car x)
-                                 (cadr x)))
-             (zip arg-names (cdr type-names))))))
+        (map (lambda (arg type) (format #f "@var{~a} ~a" arg type))
+             arg-names (cdr type-names)))))
     (format #f
-     "@item @code{~a} (~a) ~a~a
+     "@item @code{~a} ~a ~a~a
 @funindex ~a
 ~a
 "