--- a/cpp.rst	Sun Nov 13 18:57:57 2011 +0200
+++ b/cpp.rst	Sun Nov 13 19:02:52 2011 +0200
@@ -22,6 +22,8 @@
 
   http://predef.sourceforge.net/
   http://en.wikipedia.org/wiki/C_preprocessor#Compiler-specific_predefined_macros
+  http://msdn.microsoft.com/en-us/library/b0084kay.aspx
+                Predefined Macros
 
 GNU C Compiler::
 
@@ -44,8 +46,11 @@
   $ cc -qshowmacros -E EMPTY.c
 
 For Visual Studio compiler there no any possibility get predefined macros from
-command line...
+command line... But some macros documented:
 
-  http://msdn.microsoft.com/en-us/library/b0084kay.aspx
-                Predefined Macros
+  _MSC_VER
+                Defines the compiler version. Always defined.
+  _WIN32
+                Defined for applications for Win32. Always defined.
 
+