diff --git a/7.3.733 b/7.3.733
new file mode 100644
index 0000000..0c0a998
--- /dev/null
+++ b/7.3.733
@@ -0,0 +1,118 @@
+To: vim_dev@googlegroups.com
+Subject: Patch 7.3.733
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.733
+Problem:    Tests fail when including MzScheme.
+Solution:   Change #ifdefs for vim_main2().
+Files:	    src/main.c
+
+
+*** ../vim-7.3.732/src/main.c	2012-04-25 18:24:24.000000000 +0200
+--- src/main.c	2012-11-24 14:26:56.000000000 +0100
+***************
+*** 147,154 ****
+  #define ME_INVALID_ARG		5
+  };
+  
+- #ifndef NO_VIM_MAIN	/* skip this for unittests */
+  #ifndef PROTO		/* don't want a prototype for main() */
+      int
+  # ifdef VIMDLL
+  _export
+--- 147,154 ----
+  #define ME_INVALID_ARG		5
+  };
+  
+  #ifndef PROTO		/* don't want a prototype for main() */
++ #ifndef NO_VIM_MAIN	/* skip this for unittests */
+      int
+  # ifdef VIMDLL
+  _export
+***************
+*** 570,584 ****
+  	return mzscheme_main(2, args);
+      }
+  }
+  
+! int vim_main2(int argc, char **argv)
+  {
+      char_u	*fname = (char_u *)argv[0];
+      mparm_T	params;
+  
+      memcpy(&params, argv[1], sizeof(params));
+  #endif
+  
+      /* Execute --cmd arguments. */
+      exe_pre_commands(&params);
+  
+--- 570,596 ----
+  	return mzscheme_main(2, args);
+      }
+  }
++ #endif
++ #endif /* NO_VIM_MAIN */
+  
+! /* vim_main2() needs to be produced when FEAT_MZSCHEME is defined even when
+!  * NO_VIM_MAIN is defined. */
+! #ifdef FEAT_MZSCHEME
+!     int
+! vim_main2(int argc UNUSED, char **argv UNUSED)
+  {
++ # ifndef NO_VIM_MAIN
+      char_u	*fname = (char_u *)argv[0];
+      mparm_T	params;
+  
+      memcpy(&params, argv[1], sizeof(params));
++ # else
++     return 0;
++ }
++ # endif
+  #endif
+  
++ #ifndef NO_VIM_MAIN
+      /* Execute --cmd arguments. */
+      exe_pre_commands(&params);
+  
+***************
+*** 999,1006 ****
+  
+      return 0;
+  }
+- #endif /* PROTO */
+  #endif /* NO_VIM_MAIN */
+  
+  /*
+   * Main loop: Execute Normal mode commands until exiting Vim.
+--- 1011,1018 ----
+  
+      return 0;
+  }
+  #endif /* NO_VIM_MAIN */
++ #endif /* PROTO */
+  
+  /*
+   * Main loop: Execute Normal mode commands until exiting Vim.
+*** ../vim-7.3.732/src/version.c	2012-11-28 15:37:46.000000000 +0100
+--- src/version.c	2012-11-28 15:54:07.000000000 +0100
+***************
+*** 727,728 ****
+--- 727,730 ----
+  {   /* Add new patch number below this line */
++ /**/
++     733,
+  /**/
+
+-- 
+From "know your smileys":
+ :^[/   mean-smiley-with-cigarette
+
+ /// 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    ///