Web-de: fix linkage for manuals

[lilypond.git] / lily / staff-symbol-referencer.cc

diff --git a/lily/staff-symbol-referencer.cc b/lily/staff-symbol-referencer.cc
index bec8c8001f9d01ad741365808337c248a953ee94..2939e0c0614fdb035fe5a62409c4708f7bbf03ee 100644 (file)
--- a/lily/staff-symbol-referencer.cc
+++ b/lily/staff-symbol-referencer.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1999--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1999--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -81,9 +81,9 @@ Staff_symbol_referencer::get_position (Grob *me)
   if (st && c)
     {
       Real y = me->relative_coordinate (c, Y_AXIS)
-       - st->relative_coordinate (c, Y_AXIS);
-
-      p += 2.0 * y / Staff_symbol::staff_space (st);
+              - st->relative_coordinate (c, Y_AXIS);
+      Real space = Staff_symbol::staff_space (st);
+      p = (space == 0) ? 0 : 2.0 * y / space;
       return p;
     }
   else if (!st)
@@ -153,7 +153,6 @@ Staff_symbol_referencer::set_position (Grob *me, Real p)
       oldpos = get_position (me);
     }
 
-  
   Real ss = Staff_symbol_referencer::staff_space (me);
   me->translate_axis ((p  - oldpos) * ss * 0.5, Y_AXIS);
 }