diff --git a/7.3.666 b/7.3.666
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+To: vim_dev@googlegroups.com
+Subject: Patch 7.3.6
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.666
+Problem:    With MSVC 11 Win32.mak is not found.
+Solution:   Add the SDK_INCLUDE_DIR variable. (Raymond Ko)
+Files:	    src/Make_mvc.mak
+
+
+*** ../vim-7.3.665/src/Make_mvc.mak	2012-09-18 18:27:07.000000000 +0200
+--- src/Make_mvc.mak	2012-09-18 21:58:09.000000000 +0200
+***************
+*** 1,7 ****
+  # Makefile for Vim on Win32 (Windows NT/2000/XP/2003 and Windows 95/98/Me)
+  # and Win64, using the Microsoft Visual C++ compilers. Known to work with
+  # VC5, VC6 (VS98), VC7.0 (VS2002), VC7.1 (VS2003), VC8 (VS2005),
+! # VC9 (VS2008), and VC10 (VS2010).
+  #
+  # To build using other Windows compilers, see INSTALLpc.txt
+  #
+--- 1,7 ----
+  # Makefile for Vim on Win32 (Windows NT/2000/XP/2003 and Windows 95/98/Me)
+  # and Win64, using the Microsoft Visual C++ compilers. Known to work with
+  # VC5, VC6 (VS98), VC7.0 (VS2002), VC7.1 (VS2003), VC8 (VS2005),
+! # VC9 (VS2008), VC10 (VS2010) and VC11 (VS2012)
+  #
+  # To build using other Windows compilers, see INSTALLpc.txt
+  #
+***************
+*** 15,20 ****
+--- 15,23 ----
+  # This will build the console version of Vim with no additional interfaces.
+  # To add features, define any of the following:
+  #
++ # 	For MSVC 11 you need to specify where the Win32.mak file is, e.g.:
++ # 	   SDK_INCLUDE_DIR="C:\Program Files\Microsoft SDKs\Windows\v7.1\Include"
++ #
+  #	!!!!  After changing features do "nmake clean" first  !!!!
+  #
+  #       Feature Set: FEATURES=[TINY, SMALL, NORMAL, BIG, HUGE] (default is BIG)
+***************
+*** 227,233 ****
+--- 230,241 ----
+  
+  # Get all sorts of useful, standard macros from the Platform SDK.
+  
++ !ifdef SDK_INCLUDE_DIR
++ !include $(SDK_INCLUDE_DIR)\Win32.mak
++ !else
+  !include <Win32.mak>
++ !endif
++ 
+  
+  # Flag to turn on Win64 compatibility warnings for VC7.x and VC8.
+  WP64CHECK = /Wp64
+***************
+*** 911,917 ****
+  
+  # Report link time code generation progress if used. 
+  !ifdef NODEBUG
+! !if ("$(MSVCVER)" == "8.0") || ("$(MSVCVER)" == "9.0") || ("$(MSVCVER)" == "10.0")
+  !if "$(OPTIMIZE)" != "SPACE"
+  LINKARGS1 = $(LINKARGS1) /LTCG:STATUS
+  !endif
+--- 919,925 ----
+  
+  # Report link time code generation progress if used. 
+  !ifdef NODEBUG
+! !if ("$(MSVCVER)" == "8.0") || ("$(MSVCVER)" == "9.0") || ("$(MSVCVER)" == "10.0") || ("$(MSVCVER)" == "11.0")
+  !if "$(OPTIMIZE)" != "SPACE"
+  LINKARGS1 = $(LINKARGS1) /LTCG:STATUS
+  !endif
+*** ../vim-7.3.665/src/version.c	2012-09-18 18:27:07.000000000 +0200
+--- src/version.c	2012-09-18 21:58:44.000000000 +0200
+***************
+*** 721,722 ****
+--- 721,724 ----
+  {   /* Add new patch number below this line */
++ /**/
++     666,
+  /**/
+
+-- 
+Be nice to your kids...  they'll be the ones choosing your nursing home.
+
+ /// 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    ///