From a27dbb8a8e1eea59d7eecb3f4120599eb2c46826 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sat, 27 Sep 2014 15:17:35 +0200
Subject: raw_display: enable code for skipping unchanged rows during redraw

Significantly improves redraw performance.
---
 urwid/raw_display.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/urwid/raw_display.py b/urwid/raw_display.py
index a3d14a0..4853a83 100644
--- a/urwid/raw_display.py
+++ b/urwid/raw_display.py
@@ -745,7 +745,7 @@ class Screen(BaseScreen, RealTerminal):
         cy = 0
         for row in r.content():
             y += 1
-            if False and osb and osb[y] == row:
+            if osb and osb[y] == row:
                 # this row of the screen buffer matches what is
                 # currently displayed, so we can skip this line
                 sb.append( osb[y] )
-- 
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