From 0dfbd17e1f271c91f829927536b6281bf97a3efa Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Mon, 6 Apr 1998 18:45:13 +0000
Subject: [PATCH] lilypond-0.1.54

---
 lily/score-priority-grav.cc | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/lily/score-priority-grav.cc b/lily/score-priority-grav.cc
index 1358ec4232..9e2e2cc918 100644
--- a/lily/score-priority-grav.cc
+++ b/lily/score-priority-grav.cc
@@ -36,42 +36,40 @@ void
 Score_priority_engraver::acknowledge_element (Score_elem_info inf)
 {
   Item * item_l = inf.elem_l_->item ();
-  if (item_l && item_l->breakable_b_)
+  if (item_l && item_l->breakable_b_ && !item_l->empty_b ())
     {
       /*
 	Don't try to eat up our (probable) parent.
-       */
+      */
       if (inf.origin_grav_l_arr_.size () <= 1 &&
 	  item_l->is_type_b (Break_align_item::static_name ()))
 	return; 
 
       
-      int p =item_l-> break_priority_i_;
+      int priority =item_l->break_priority_i_;
       Horizontal_group_item * hg =0;
-      if (!align_p_assoc_.elt_b(p))
-	  {
-	    hg = new Horizontal_group_item;
-	    announce_element (Score_elem_info (hg,0));
-	    align_p_assoc_[p] = hg;
-	    hg->break_priority_i_ = p;
-	    hg->breakable_b_ = true;
-	  }
+      if (!align_p_assoc_.elt_b(priority))
+	{
+	  hg = new Horizontal_group_item;
+	  announce_element (Score_elem_info (hg,0));
+	  align_p_assoc_[priority] = hg;
+	  hg->break_priority_i_ = priority;
+	  hg->breakable_b_ = true;
+	}
       else
-	hg = align_p_assoc_[p];
+	hg = align_p_assoc_[priority];
       
       Score_elem * unbound_elem = inf.elem_l_;
 
-      
       while (unbound_elem->axis_group_l_a_[X_AXIS])
 	{
 	  /* We might have added inf.elem_l_ earlier because we added one
 	     of its children.  We don't want to add ourselves to ourself
-	     */
+	  */
 	  if (unbound_elem->axis_group_l_a_[X_AXIS] == hg)
 	    return;
 	  unbound_elem = unbound_elem->axis_group_l_a_[X_AXIS];
 	}
-	
 
       hg->add_element (unbound_elem);
     }
-- 
2.39.5