Fix some bugs in the dynamic engraver and PostScript backend

[lilypond.git] / lily / item.cc

diff --git a/lily/item.cc b/lily/item.cc
index 32882aac71303f656978bb72eeee7863529304d2..f4760eb2fd564bdb5d4555fa7592520a2e7fd679 100644 (file)
--- a/lily/item.cc
+++ b/lily/item.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "item.hh"
@@ -37,16 +37,13 @@ Item::Item (Item const &s, int copy_count)
 }
 
 bool
-Item::is_breakable (Grob *me)
+Item::is_non_musical (Grob *me)
 {
   if (me->original ())
     return false;
 
-  if (!dynamic_cast<Item *> (me))
-    me->programming_error ("only items can be breakable.");
-
   Item *i = dynamic_cast<Item *> (me->get_parent (X_AXIS));
-  return (i) ? Item::is_breakable (i) : to_boolean (me->get_property ("breakable"));
+  return i ? Item::is_non_musical (i) : to_boolean (me->get_property ("non-musical"));
 }
 
 Paper_column *
@@ -96,7 +93,7 @@ Item::discretionary_processing ()
   if (is_broken ())
     return;
 
-  if (Item::is_breakable (this))
+  if (Item::is_non_musical (this))
     copy_breakable_items ();
 }
 
@@ -210,4 +207,8 @@ ADD_INTERFACE (Item,
               "  end-of-line-invisible      no      yes    yes\n"
               "  center-invisible           yes      no    yes\n"
               "@end example\n",
-              "no-spacing-rods break-visibility breakable")
+
+              /* properties */
+              "break-visibility "
+              "no-spacing-rods "
+              "non-musical")