use 2.10 integer alterations.

diff --git a/lily/music.cc b/lily/music.cc
index 607ba1455329c35985cc71183e411532f4b33183..b99cc42cfec5b7a08b427c4e1ca2eade79e47785 100644 (file)
--- a/lily/music.cc
+++ b/lily/music.cc
@@ -200,7 +200,7 @@ transpose_mutable (SCM alist, Pitch delta)
       if (Pitch *p = unsmob_pitch (val))
        {
          Pitch transposed = p->transposed (delta);
-         if (transposed.get_alteration ().abs () > Rational (1,1))
+         if (transposed.get_alteration () > DOUBLE_SHARP)
            {
              warning (_f ("transposition by %s makes alteration larger than double",
                           delta.to_string ()));