diff --git a/7.0.020 b/7.0.020
new file mode 100644
index 0000000..582f462
--- /dev/null
+++ b/7.0.020
@@ -0,0 +1,52 @@
+To: vim-dev@vim.org
+Subject: Patch 7.0.020
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=ISO-8859-1
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.0.020
+Problem: Crash when using 'mousefocus'. (William Fulton)
+Solution: Make buffer for mouse coordinates 2 bytes longer. (Juergen Weigert)
+Files: src/gui.c
+
+
+*** ../vim-7.0.019/src/gui.c Sat May 13 12:15:09 2006
+--- src/gui.c Tue Jun 20 16:27:02 2006
+***************
+*** 4515,4521 ****
+ int y;
+ {
+ win_T *wp;
+! char_u st[6];
+
+ /* Ignore this while still starting up. */
+ if (!gui.in_use || gui.starting)
+--- 4515,4521 ----
+ int y;
+ {
+ win_T *wp;
+! char_u st[8];
+
+ /* Ignore this while still starting up. */
+ if (!gui.in_use || gui.starting)
+*** ../vim-7.0.019/src/version.c Tue Jun 20 12:56:11 2006
+--- src/version.c Tue Jun 20 16:32:28 2006
+***************
+*** 668,669 ****
+--- 668,671 ----
+ { /* Add new patch number below this line */
++ /**/
++ 20,
+ /**/
+
+--
+Michael: There is no such thing as a dump question.
+Bernard: Sure there is. For example "what is a core dump?"
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ download, build and distribute -- http://www.A-A-P.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///
diff --git a/README.patches b/README.patches
index 7047aa5..0abe222 100644
--- a/README.patches
+++ b/README.patches
@@ -44,3 +44,4 @@ Individual patches for Vim 7.0:
2302 7.0.017 (after 7.0.014) Motif: doesn't link with Motif 1.2 and earlier
1649 7.0.018 VMS: plugins are not loaded on startup
1425 7.0.019 crash for "VjA789" and repeating
+ 1470 7.0.020 GUI: crash when using 'mousefocus'