From 76426794809951a8528eee648d716dab7ebc4369 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Sun, 25 Jul 1993 21:48:55 +0000
Subject: [PATCH] Commented-out code added.

---
 src/dispnew.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/dispnew.c b/src/dispnew.c
index 32c89674b44..2351724a7be 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -1374,6 +1374,25 @@ update_line (frame, vpos)
     {
       int i,j;
 
+#if 0
+      if (FRAME_X_P (frame))
+	{
+	  /* Under X, erase everything we are going to rewrite,
+	     and rewrite everything from the first char that's changed.
+	     This is part of supporting fonts like Courier
+	     whose chars can overlap outside the char width.  */
+	  for (i = 0; i < nlen; i++)
+	    if (i >= olen || nbody[i] != obody[i])
+	      break;
+
+	  cursor_to (vpos, i);
+	  if (i != olen)
+	    clear_end_of_line (olen);
+	  write_glyphs (nbody + i, nlen - i);
+	}
+      else
+	{}
+#endif /* 0 */
       for (i = 0; i < nlen; i++)
 	{
 	  if (i >= olen || nbody[i] != obody[i])    /* A non-matching char. */
-- 
2.39.5