release: 0.0.38

[lilypond.git] / hdr / grouping.hh

diff --git a/hdr/grouping.hh b/hdr/grouping.hh
index 72d2960f827beb03364c3b5c212efe3f08137a67..06b4421b0a6a22462f3256d086682550db09622e 100644 (file)
--- a/hdr/grouping.hh
+++ b/hdr/grouping.hh
@@ -44,8 +44,10 @@ struct Rhythmic_grouping {
 
     Array<int> generate_beams(Array<int>, int&);
 
-    /// multiply self to span #i#
-    void extend(MInterval i);
+    /** multiply self to span #i#.
+      In implementation, this isn't really const, but conceptually it is.
+      */
+    void extend(MInterval i) const;
     void translate(Moment);
 private:
     void init();