Doc: Update documentation of \once (2952)

[lilypond.git] / lily / music.cc

diff --git a/lily/music.cc b/lily/music.cc
index cc814c074b456256eeb8f089781957c178091a46..be1fb2ed131cb0451ab4e373db8e46d52dd9982a 100644 (file)
--- a/lily/music.cc
+++ b/lily/music.cc
@@ -226,6 +226,10 @@ transpose_mutable (SCM alist, Pitch delta)
               transposed = transposed.normalized ();
             }
 
+          if (prop == ly_symbol2scm ("tonic"))
+            transposed = Pitch (-1, transposed.get_notename (),
+                                transposed.get_alteration ());
+
           new_val = transposed.smobbed_copy ();
         }
       else if (prop == ly_symbol2scm ("element"))
@@ -234,7 +238,7 @@ transpose_mutable (SCM alist, Pitch delta)
             m->transpose (delta);
         }
       else if (prop == ly_symbol2scm ("elements")
-              || prop == ly_symbol2scm ("articulations"))
+               || prop == ly_symbol2scm ("articulations"))
         transpose_music_list (val, delta);
       else if (prop == ly_symbol2scm ("pitch-alist")
                && scm_is_pair (val))
@@ -280,7 +284,7 @@ Music::to_event (Context *c) const
     programming_error ("Not a music type");
 
   Stream_event *e = new Stream_event (c->make_event_class (class_name),
-                                     mutable_property_alist_);
+                                      mutable_property_alist_);
   Moment length = get_length ();
   if (length.to_bool ())
     e->set_property ("length", length.smobbed_copy ());