From ac16f9127c134d0a9dab5b5187e4aeff89240bf8 Mon Sep 17 00:00:00 2001
From: Keith Winstein <keithw@mit.edu>
Date: Sat, 10 Mar 2012 04:30:04 -0500
Subject: [PATCH] Output EL (erase line) when possible

---
 src/terminal/terminaldisplay.cc | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/terminal/terminaldisplay.cc b/src/terminal/terminaldisplay.cc
index cce71a4..d30d479 100644
--- a/src/terminal/terminaldisplay.cc
+++ b/src/terminal/terminaldisplay.cc
@@ -237,10 +237,15 @@ void Display::put_cell( bool initialized, FrameState &frame, const Framebuffer &
 	break;
       }
     }
-    snprintf( tmp, 64, "\033[%dX", clear_count );
-    frame.append( tmp );
 
     frame.x += clear_count;
+    if ( frame.x >= f.ds.get_width() ) {
+      snprintf( tmp, 64, "\033[K" );
+    } else {
+      snprintf( tmp, 64, "\033[%dX", clear_count );
+    }
+    frame.append( tmp );
+
     return;
   }