From 7ba6ed34fe4b63671cb1595fa8c8eab3b0c45b69 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 7 Aug 2010 16:38:13 +0200
Subject: [PATCH] Fix: An unprintable multi-byte character at the start of the
 screen line caused the following text to be drawn at the wrong position.

---
 runtime/doc/todo.txt | 3 ---
 src/screen.c         | 5 +++--
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index 9c00439451..98ca232c2c 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -33,9 +33,6 @@ be worked on, but only if you sponsor Vim development.  See |sponsor|.
 Before release 7.3:
 - Rename vim73 branch to default (hints: Xavier de Gaye, 2010 May 23)
 
-Better Czech keymap. (Stepnem, 2010 May 4)  Use if no response from Jiri
-Tobisek.
-
 :!cmd completion doesn't work on Windows. (Yue Wu).
 Problem with space in path?
 
diff --git a/src/screen.c b/src/screen.c
index a53a9419ff..7b8a757ff8 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -4005,8 +4005,9 @@ win_line(wp, lnum, startrow, endrow, nochange)
 		    ptr += mb_l - 1;
 
 		/* If a double-width char doesn't fit at the left side display
-		 * a '<' in the first column. */
-		if (n_skip > 0 && mb_l > 1)
+		 * a '<' in the first column.  Don't do this for unprintable
+		 * charactes. */
+		if (n_skip > 0 && mb_l > 1 && n_extra == 0)
 		{
 		    n_extra = 1;
 		    c_extra = '<';