Help: Suggest using -A to specify platform for VS generators

We already suggest `-T` for the toolset.  Create a dedicated section for
platform selection and suggest `-A`.  Provide examples.

1 files changed, 21 insertions, 12 deletions

diff --git a/Help/generator/Visual Studio 10 2010.rst b/Help/generator/Visual Studio 10 2010.rst
index b8d6872..0446b8c 100644
--- a/Help/generator/Visual Studio 10 2010.rst
+++ b/Help/generator/Visual Studio 10 2010.rst
@@ -3,18 +3,6 @@ Visual Studio 10 2010
 
 Generates Visual Studio 10 (VS 2010) project files.
 
-The :variable:`CMAKE_GENERATOR_PLATFORM` variable may be set
-to specify a target platform name (architecture).
-
-For compatibility with CMake versions prior to 3.1, one may specify
-a target platform name optionally at the end of this generator name:
-
-``Visual Studio 10 2010 Win64``
-  Specify target platform ``x64``.
-
-``Visual Studio 10 2010 IA64``
-  Specify target platform ``Itanium``.
-
 For compatibility with CMake versions prior to 3.0, one may specify this
 generator using the name ``Visual Studio 10`` without the year component.
 
@@ -24,6 +12,27 @@ Project Types
 Only Visual C++ and C# projects may be generated.  Other types of
 projects (Database, Website, etc.) are not supported.
 
+Platform Selection
+^^^^^^^^^^^^^^^^^^
+
+The :variable:`CMAKE_GENERATOR_PLATFORM` variable may be set, perhaps
+via the :manual:`cmake(1)` ``-A`` option, to specify a target platform
+name (architecture).  For example:
+
+* ``cmake -G "Visual Studio 10 2010" -A Win32``
+* ``cmake -G "Visual Studio 10 2010" -A x64``
+* ``cmake -G "Visual Studio 10 2010" -A Itanium``
+
+For compatibility with CMake versions prior to 3.1, one may specify
+a target platform name optionally at the end of the generator name.
+This is supported only for:
+
+``Visual Studio 10 2010 Win64``
+  Specify target platform ``x64``.
+
+``Visual Studio 10 2010 IA64``
+  Specify target platform ``Itanium``.
+
 Toolset Selection
 ^^^^^^^^^^^^^^^^^