Fix 553.

If a Break_aligned grob has an empty extent, a rehearsal mark should ignore it.

diff --git a/lily/break-alignment-interface.cc b/lily/break-alignment-interface.cc
index fb863b791df94be80fe11b41ec199320d81f6346..bfaeccea22dcdd2243cc1705337bbaab9de22a68 100644 (file)
--- a/lily/break-alignment-interface.cc
+++ b/lily/break-alignment-interface.cc
@@ -281,7 +281,8 @@ Break_alignable_interface::self_align_callback (SCM grob)
        {
          if (elements[i]->get_property ("break-align-symbol") == sym)
            {
-             if (Item::break_visible (elements[i]))
+             if (Item::break_visible (elements[i])
+                 && !elements[i]->extent (elements[i], X_AXIS).is_empty ())
                {
                  break_aligned_grob = i;
                  goto found_break_aligned_grob; /* ugh. need to break out of 2 loops */