diff --git a/7.4.811 b/7.4.811
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+To: vim_dev@googlegroups.com
+Subject: Patch 7.4.811
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.4.811
+Problem:    Invalid memory access when using "exe 'sc'".
+Solution:   Avoid going over the end of the string. (Dominique Pelle)
+Files:      src/ex_docmd.c
+
+
+*** ../vim-7.4.810/src/ex_docmd.c	2015-07-28 14:25:41.848151118 +0200
+--- src/ex_docmd.c	2015-08-04 22:01:59.955636265 +0200
+***************
+*** 3129,3136 ****
+  	++p;
+      }
+      else if (p[0] == 's'
+! 	    && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
+! 						&& p[3] != 'i' && p[4] != 'p')
+  		|| p[1] == 'g'
+  		|| (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
+  		|| p[1] == 'I'
+--- 3129,3136 ----
+  	++p;
+      }
+      else if (p[0] == 's'
+! 	    && ((p[1] == 'c' && (p[2] == NUL || (p[2] != 's' && p[2] != 'r'
+! 			&& (p[3] == NUL || (p[3] != 'i' && p[4] != 'p')))))
+  		|| p[1] == 'g'
+  		|| (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
+  		|| p[1] == 'I'
+*** ../vim-7.4.810/src/version.c	2015-08-04 21:51:20.522881723 +0200
+--- src/version.c	2015-08-04 22:01:29.395985096 +0200
+***************
+*** 743,744 ****
+--- 743,746 ----
+  {   /* Add new patch number below this line */
++ /**/
++     811,
+  /**/
+
+-- 
+        **  Hello and Welcome to the Psychiatric Hotline **
+If you are obsessive-compulsive, please press 1 repeatedly.
+If you are co-dependent, please ask someone to press 2.
+If you have multiple personalities, please press 3, 4, 5 and 6.
+If you are paranoid-delusional, we know who you are and what you want
+       - just stay on the line so we can trace the call.
+If you are schizophrenic, listen carefully and a little voice will
+       tell you which number to press next.
+If you are manic-depressive, it doesn't matter which number you press
+       - no one will answer.
+If you suffer from panic attacks, push every button you can find.
+If you are sane, please hold on - we have the rest of humanity on the
+        other line and they desparately want to ask you a few questions.
+
+ /// 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    ///