Doc: Issue 4149: Clarify some \paper and \layout variables:

[lilypond.git] / lily / axis-group-interface.cc

diff --git a/lily/axis-group-interface.cc b/lily/axis-group-interface.cc
index e27ce099c5bee8868e736b3e6514e5ba1984fc7c..7e8e1b8bb41020fbd56bda1f6ec02d72794d43f4 100644 (file)
--- a/lily/axis-group-interface.cc
+++ b/lily/axis-group-interface.cc
@@ -421,7 +421,7 @@ Axis_group_interface::combine_skylines (SCM smob)
   for (vsize i = 0; i < elements.size (); i++)
     {
       SCM skyline_scm = elements[i]->get_property ("vertical-skylines");
-      if (Skyline_pair::unsmob (skyline_scm))
+      if (Skyline_pair::is_smob (skyline_scm))
         {
           Real offset = elements[i]->relative_coordinate (y_common, Y_AXIS);
           Skyline_pair other = *Skyline_pair::unsmob (skyline_scm);