From 2606faf48590c90bd488a8944c7612acef11ed8c Mon Sep 17 00:00:00 2001
From: David Kastrup <dak@gnu.org>
Date: Sat, 27 Feb 2016 12:35:04 +0100
Subject: [PATCH] Issue 4718/4: Fold transpose_mutable into Prob::transpose

It's not really needed elsewhere anymore.
---
 lily/include/music.hh |  3 ---
 lily/music.cc         | 17 ++++++-----------
 2 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/lily/include/music.hh b/lily/include/music.hh
index bf9cf2d7ea..c904dc3347 100644
--- a/lily/include/music.hh
+++ b/lily/include/music.hh
@@ -74,7 +74,4 @@ SCM ly_camel_case_2_lisp_identifier (SCM name_sym);
 
 extern SCM ly_music_p_proc;
 
-/* common transposition function for music and event */
-void transpose_mutable (SCM alist, Pitch delta);
-
 #endif /* MUSIC_HH */
diff --git a/lily/music.cc b/lily/music.cc
index 5e646f5b95..bbf7fe4f58 100644
--- a/lily/music.cc
+++ b/lily/music.cc
@@ -198,10 +198,14 @@ Music::compress (Moment factor)
 /*
   This mutates alist.  Hence, make sure that it is not shared
 */
+
 void
-transpose_mutable (SCM alist, Pitch delta)
+Prob::transpose (Pitch delta)
 {
-  for (SCM s = alist; scm_is_pair (s); s = scm_cdr (s))
+  if (to_boolean (get_property ("untransposable")))
+    return;
+
+  for (SCM s = mutable_property_alist_; scm_is_pair (s); s = scm_cdr (s))
     {
       SCM entry = scm_car (s);
       SCM prop = scm_car (entry);
@@ -235,15 +239,6 @@ transpose_mutable (SCM alist, Pitch delta)
     }
 }
 
-void
-Prob::transpose (Pitch delta)
-{
-  if (to_boolean (get_property ("untransposable")))
-    return;
-
-  transpose_mutable (mutable_property_alist_, delta);
-}
-
 void
 Music::set_spot (Input ip)
 {
-- 
2.39.5