From 5337b6a285a680a092b89b5e1345bceaacc79c1e Mon Sep 17 00:00:00 2001
From: handa <handa>
Date: Tue, 9 Jun 2009 02:11:24 +0000
Subject: [PATCH] *** empty log message ***

---
 MText.cs |   12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/MText.cs b/MText.cs
index a46a95d..fe03bfb 100644
--- a/MText.cs
+++ b/MText.cs
@@ -42,11 +42,11 @@ namespace M17N.Core
       /// Like Sensitive but also this property is deleted from a span
       /// of text if a text just before the span is modified,
       /// inserted, or deleted.
-      FrontSensitive =	0x0C,
+      FrontSensitive =	0x08,
       /// Like Sensitive but also this property is deleted from a span
       /// of text if a text just after the span is modified, inserted,
       /// or deleted.
-      RearSensitive = 	0x14
+      RearSensitive = 	0x10
     };
 
     internal MSymbol key;
@@ -1327,15 +1327,18 @@ namespace M17N.Core
       }
 
       /// Combine intervals between HEAD and TAIL (both inclusive) to
-      /// the common parent of HEAD and TAIL while assuming that the
-      /// intervals are mergeable.
+      /// the common parent of HEAD and TAIL.  Callers should assure
+      /// that the intervals are mergeable in advance.
       private static void combine (MInterval head, MInterval tail)
       {
 	M17n.DebugPrint ("combining "); head.DumpOne (true, false);
 	M17n.DebugPrint (" through "); tail.DumpOne (true, false);
 
+	head.update_from_to ();
+	tail.update_from_to ();
 	int from = head.From;
 	int to = tail.To;
+
 	// The nearest common parent of HEAD and TAIL.
 	MInterval root;
 	for (root = head; root.To + root.RightLength < to;
@@ -1377,6 +1380,7 @@ namespace M17N.Core
 	      }
 	    root.update_from_to ();
 	  }
+	M17n.DebugPrint ("combining done\n");
       }
 
       public void MergeAfterChange (int start, int end)
-- 
1.7.10.4