From 9361876fc803e02e7f23c9193a74f960b25a9784 Mon Sep 17 00:00:00 2001
From: handa <handa>
Date: Wed, 21 Jan 2009 00:04:54 +0000
Subject: [PATCH] *** empty log message ***

---
 MText.cs |   46 ++++++++++++++++++----------------------------
 1 file changed, 18 insertions(+), 28 deletions(-)

diff --git a/MText.cs b/MText.cs
index d7a6dcf..ecc1689 100644
--- a/MText.cs
+++ b/MText.cs
@@ -279,7 +279,7 @@ namespace M17N.Core
       // position:    0           1           2           3
       // index:   -1  0  1  2  3  4  5  6  7  8  9  10 11 12 13
       //           |     |  A  |     |  B  |     |  C  |     |
-      // interval  |<--------->|<--->|<--------------->|<------
+      // interval  |<--------->|<--->|<--------------->|<----|
       // 
       //                   [-1 99 (9 89)]
       //       [0 10 (-1 9)]            [-10 0 (89 99)]
@@ -289,10 +289,10 @@ namespace M17N.Core
       // If this is the left node, the values are relative to the
       // parent's total_start.  Otherwise, the values are relative to
       // the parent's total_end.  So:
-      //                       total_start  total_end
-      //   left-side interval  0            positive
-      //   right-side interval negative     0
-      //   top-most interval   -1           positive
+      //                       total_start    total_end
+      //   left-side interval  0              positive even
+      //   right-side interval negative even  0
+      //   top-most interval   -1             positive odd
       private int total_start, total_end;
       // Stack of MTextProperty
       private Stack<MTextProperty> stack;
@@ -496,35 +496,23 @@ namespace M17N.Core
 
       private MInterval Left {
 	get {
-	  MInterval interval;
-
+	  MInterval i;
 	  if (left != null)
-	    for (interval = left;
-		 interval.right != null;
-		 interval = interval.right);
+	    for (i = left; i.right != null; i = i.right);
 	  else
-	    for (interval = parent;
-		 interval != null && interval.total_start == 0;
-		 interval = interval.parent);
-
-	  return interval;
+	    for (i = parent; i != null && i.total_start == 0; i = i.parent);
+	  return i;
 	}
       }
 
       private MInterval Right {
 	get {
-	  MInterval interval;
-
+	  MInterval i;
 	  if (right != null)
-	    for (interval = right;
-		 interval.left != null;
-		 interval = interval.left);
+	    for (i = right; i.left != null; i = i.left);
 	  else
-	    for (interval = parent;
-		 interval != null && interval.total_start < 0;
-		 interval = interval.parent);
-
-	  return interval;
+	    for (i = parent; i != null && i.total_start < 0; i = i.parent);
+	  return i;
 	}
       }
 
@@ -556,10 +544,12 @@ namespace M17N.Core
 	  {
 	    // position:    0           1           2           3
 	    // index:   -1  0  1  2  3  4  5  6  7  8  9  10 11 12 13
-	    // this      |<----------<-------------->->|
-	    //           |<--------->|              |<>|
+	    // this      |<----------<----------->---->|
+	    //           |<--------->|           |<--->|
 	    //
-	    // interval                 |<->----->->|
+	    //                              BBBBB
+	    //                             AAAAA
+	    // interval                    |<--->|
 	    //                             
 	    // new       |<----------<----->----->-->------------>->|
 	    //           |<--------->|     |<---->-->------------>->|
-- 
1.7.10.4