Rename vertical spacing dimensions.

lily/page-breaking.cc

 /*
   This file is part of LilyPond, the GNU music typesetter.
 
   Copyright (C) 2006--2010 Joe Neeman <joeneeman@gmail.com>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
@@ skipping 1435 matching lines @@
 }
 
 // This gives the minimum distance between the top of the
 // printable area (ie. the bottom of the top-margin) and
 // the extent box of the topmost system.
 Real
 Page_breaking::min_whitespace_at_top_of_page (Line_details const &line) const
 {
   SCM first_system_spacing = book_->paper_->c_variable ("top-system-spacing");
   if (line.title_)
-    first_system_spacing = book_->paper_->c_variable ("top-title-spacing");
+    first_system_spacing = book_->paper_->c_variable ("top-markup-spacing");
 
   Real min_distance = -infinity_f;
   Real padding = 0;
 
   Page_layout_problem::read_spacing_spec (first_system_spacing,
                                           &min_distance,
                                           ly_symbol2scm ("minimum-distance"));
   Page_layout_problem::read_spacing_spec (first_system_spacing,
                                           &padding,
                                           ly_symbol2scm ("padding"));
 
   // FIXME: take into account the height of the header
   Real translate = max (line.shape_.begin_[UP], line.shape_.rest_[UP]);
   return max (0.0, max (padding, min_distance - translate));
 }
 
 Real
 Page_breaking::min_whitespace_at_bottom_of_page (Line_details const &line) const
 {
-  SCM last_system_spacing = book_->paper_->c_variable ("bottom-system-spacing");
+  SCM last_system_spacing = book_->paper_->c_variable ("system-bottom-spacing");
   Real min_distance = -infinity_f;
   Real padding = 0;
 
   Page_layout_problem::read_spacing_spec (last_system_spacing,
                                           &min_distance,
                                           ly_symbol2scm ("minimum-distance"));
   Page_layout_problem::read_spacing_spec (last_system_spacing,
                                           &padding,
                                           ly_symbol2scm ("padding"));
 
   // FIXME: take into account the height of the footer
   Real translate = min (line.shape_.begin_[DOWN], line.shape_.rest_[DOWN]);
   return max (0.0, max (padding, min_distance + translate));
 }
 
 int
 Page_breaking::orphan_penalty () const
 {
   return orphan_penalty_;
 }