From ab4a244b8cf89a831db6f55534e1cb12500f7742 Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Wed, 27 Mar 2002 00:48:26 +0000
Subject: [PATCH] lilypond-1.3.125

---
 Documentation/user/features.itely |  4 +++
 input/test/auto-isknee.ly         | 47 +++++++++++++++----------------
 input/test/auto-knee.ly           | 24 +++++++++-------
 lily/include/beam.hh              | 27 +++++++++---------
 4 files changed, 54 insertions(+), 48 deletions(-)

diff --git a/Documentation/user/features.itely b/Documentation/user/features.itely
index cb60274f36..cdff41fb77 100644
--- a/Documentation/user/features.itely
+++ b/Documentation/user/features.itely
@@ -1,3 +1,4 @@
+@c -*-texinfo-*-
 @ignore
 
 TODO
@@ -124,6 +125,9 @@ switches to another staff.  This is enabled if the property
 @cindex beam settings
 @cindex manual beams
 
+
+@c auto knees
+
 In some cases it may be necessary to override LilyPond's automatic
 beaming algorithm.  For example, the auto beamer will not beam over
 rests, so if you want that, specify the begin and end point manually
diff --git a/input/test/auto-isknee.ly b/input/test/auto-isknee.ly
index afe22047f2..fa3256b668 100644
--- a/input/test/auto-isknee.ly
+++ b/input/test/auto-isknee.ly
@@ -1,26 +1,25 @@
-\version "1.3.117";
+\header{
+texidoc="Two automatic knees";
+}
+
 \score {
-	\notes \context PianoStaff <
-		\context Staff = "up" {
-			\autochange Staff \relative c' { 
-				[c8 e'] [c' c,,]
-				\stemDown
-				c'8 c c g,
-				g8 d' d d 
-				\stemUp
-				b8 c d e
-			}
-		}
-		\context Staff = "down" {
-			\clef bass; 
-			s1*2
-		}
-	>
-	\paper{
-		\translator{
-			\StaffContext
-			autoKneeGap = #13.0
-			autoInterstaffKneeGap = #4.0
-		}
-	}
+  \notes \context PianoStaff <
+    \context Staff = "up" \notes\relative c''{
+      [ b8 \translator Staff="down" d,, ]
+      [ c \translator Staff="up" c'' ]
+      [ b, \translator Staff="down" d ]
+    }
+    \context Staff = "down" {
+      \clef bass; 
+      s2.
+    }
+  >
+  \paper{
+    linewidth = 40*\staffspace;
+% Now by default
+%    \translator{
+%      \VoiceContext
+%      Beam \override #'auto-knee-gap = #7
+%    }
+  }
 }
diff --git a/input/test/auto-knee.ly b/input/test/auto-knee.ly
index 3a3fbf55d2..b49954b60c 100644
--- a/input/test/auto-knee.ly
+++ b/input/test/auto-knee.ly
@@ -1,13 +1,17 @@
+\header{
+texidoc="One automatic knee";
+}
 
 \score {
-	  \context Staff \notes\relative c'{ 
-%	  	\property Voice.autoKneeGap = #13
-	  	[c8 e'] [c' c,,]
-	}
-	\paper{
-		\translator{
-			\StaffContext
-			autoKneeGap = #13
-		}
-	}
+  \context Staff \notes\relative c''{ 
+    [c'8 c,,] [c8 e']
+  }
+  \paper{
+    linewidth = 40*\staffspace;
+% Now by default
+%    \translator {
+%      \VoiceContext
+%      Beam \override #'auto-knee-gap = #7
+%    }
+  }
 }
diff --git a/lily/include/beam.hh b/lily/include/beam.hh
index 4f01a16982..18126770af 100644
--- a/lily/include/beam.hh
+++ b/lily/include/beam.hh
@@ -16,8 +16,8 @@ class Beam
 {
 public:
   static int visible_stem_count (Grob*);
-  static  Item* first_visible_stem (Grob*);
-  static  Item* last_visible_stem (Grob*);
+  static Item* first_visible_stem (Grob*);
+  static Item* last_visible_stem (Grob*);
   static bool has_interface (Grob*);
   static void set_interface (Grob*);  
   DECLARE_SCHEME_CALLBACK(rest_collision_callback, (SCM element, SCM axis));
@@ -33,20 +33,19 @@ public:
 
 private:
   static Direction get_default_dir (Grob*);
-  static  void set_stem_directions (Grob*);
-  static  void auto_knees (Grob*);
-  static  bool auto_knee (Grob*,String gap_str, bool interstaff_b);
+  static void set_stem_directions (Grob*);
+  static void consider_auto_knees (Grob*);
   static void set_stem_shorten (Grob*);
-  static  void calc_default_position_and_height (Grob*,Real* y, Real* dy);
-  static  bool suspect_slope_b (Grob*, Real y, Real dy);
-  static  Real calc_slope_damping_f (Grob*, Real dy);
-  static  Real calc_stem_y_f (Grob*, Item* s, Real y, Real dy);
-  static  Real check_stem_length_f (Grob*, Real y, Real dy);
-  static  void set_stem_length (Grob*, Real y, Real dy);
-  static   Real quantise_dy_f (Grob*, Real dy);
-  static  Real quantise_y_f (Grob*, Real y, Real dy, int quant_dir);
+  static void calc_default_position_and_height (Grob*,Real* y, Real* dy);
+  static bool suspect_slope_b (Grob*, Real y, Real dy);
+  static Real calc_slope_damping_f (Grob*, Real dy);
+  static Real calc_stem_y_f (Grob*, Item* s, Real y, Real dy);
+  static Real check_stem_length_f (Grob*, Real y, Real dy);
+  static void set_stem_length (Grob*, Real y, Real dy);
+  static Real quantise_dy_f (Grob*, Real dy);
+  static Real quantise_y_f (Grob*, Real y, Real dy, int quant_dir);
   static int forced_stem_count (Grob*);
 };
 
-#endif // BEAM_HH
+#endif /* BEAM_HH */
 
-- 
2.39.5