diff --git a/7.3.771 b/7.3.771
new file mode 100644
index 0000000..1d8e988
--- /dev/null
+++ b/7.3.771
@@ -0,0 +1,74 @@
+To: vim_dev@googlegroups.com
+Subject: Patch 7.3.771
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.771 (after 7.3.769)
+Problem:    Uninitialized variable. (Yasuhiro Matsumoto)
+Solution:   Set x2 to -1.
+Files:	    src/option.c
+
+
+*** ../vim-7.3.770/src/option.c	2013-01-17 17:01:56.000000000 +0100
+--- src/option.c	2013-01-17 17:31:56.000000000 +0100
+***************
+*** 6154,6160 ****
+  	{
+  	    for (p = *varp; *p != NUL; ++p)
+  	    {
+! 		int x2,x3 = -1;
+  
+  		if (*p != NUL)
+  		    p += mb_ptr2len(p);
+--- 6154,6161 ----
+  	{
+  	    for (p = *varp; *p != NUL; ++p)
+  	    {
+! 		int x2 = -1;
+! 		int x3 = -1;
+  
+  		if (*p != NUL)
+  		    p += mb_ptr2len(p);
+***************
+*** 6165,6172 ****
+  		    x3 = mb_ptr2char(p);
+  		    p += mb_ptr2len(p);
+  		}
+! 		if (x2 != ':' || x2 == -1 || x3 == -1
+! 						  || (*p != NUL && *p != ','))
+  		{
+  		    errmsg = e_invarg;
+  		    break;
+--- 6166,6172 ----
+  		    x3 = mb_ptr2char(p);
+  		    p += mb_ptr2len(p);
+  		}
+! 		if (x2 != ':' || x3 == -1 || (*p != NUL && *p != ','))
+  		{
+  		    errmsg = e_invarg;
+  		    break;
+*** ../vim-7.3.770/src/version.c	2013-01-17 17:17:21.000000000 +0100
+--- src/version.c	2013-01-17 17:37:24.000000000 +0100
+***************
+*** 727,728 ****
+--- 727,730 ----
+  {   /* Add new patch number below this line */
++ /**/
++     771,
+  /**/
+
+-- 
+   GALAHAD turns back.  We see from his POV the lovely ZOOT standing by him
+   smiling enchantingly and a number of equally delectable GIRLIES draped
+   around in the seductively poulticed room.  They look at him smilingly and
+   wave.
+                 "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\  an exciting new programming language -- http://www.Zimbu.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///