*** empty log message ***

diff --git a/MText.cs b/MText.cs
index 5c9c778..4a8d448 100644 (file)
--- a/MText.cs
+++ b/MText.cs
@@ -415,7 +415,7 @@ namespace M17N.Core
            MInterval root = (MInterval) plist.Val;
            root.Delete (from, to);
            if (from > 0 && from < nchars)
-             root.MergeAfterChange (from, from);
+             ((MInterval) plist.Val).MergeAfterChange (from, from);
          }
       else
        intervals.Clear ();
@@ -793,6 +793,7 @@ namespace M17N.Core
        if (c1 != null)
          c1.Parent = this;
 
+       Parent.update_from_to ();
        return Parent;
       }
 
@@ -826,6 +827,7 @@ namespace M17N.Core
        if (c2 != null)
          c2.Parent = this;
 
+       Parent.update_from_to ();
        return Parent;
       }
 
@@ -833,6 +835,7 @@ namespace M17N.Core
       {
        MInterval i = this;
 
+       update_from_to ();
        while (true)
          {
            //       .-this-.