[meld] Remove sequence tagging of single changes in Differ

[Kai Willadsen <kaiw src gnome org>]

commit 0a66e232251ec13f4cb2c8f49ae1c23800770962
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sat Mar 20 13:25:41 2010 +1000

    Remove sequence tagging of single changes in Differ
    
    This tagging used to be used in ignoring blank lines, but is no longer.

 meld/diffutil.py |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)
---
diff --git a/meld/diffutil.py b/meld/diffutil.py
index c634f1c..be344d7 100644
--- a/meld/diffutil.py
+++ b/meld/diffutil.py
@@ -271,13 +271,10 @@ class Differ(object):
             seq = textindex/2
             for cs in self._merge_cache:
                 if cs[seq]:
-                    yield reverse_chunk(cs[seq]) + (1,)
+                    yield reverse_chunk(cs[seq])
         else:
             for cs in self._merge_cache:
-                if cs[0]:
-                    yield cs[0] + (0,)
-                elif cs[1]:
-                    yield cs[1] + (2,)
+                yield cs[0] or cs[1]
 
     def sequences_identical(self):
         return self.diffs == [[], []]