Add vc++ cpp_std flags to the documentation
@@ -132,7 +132,7 @@ compiler being used:
| c_winlibs | see below | free-form comma-separated list | Standard Windows libs to link against |
| cpp_args | | free-form comma-separated list | C++ compile arguments to use |
| cpp_link_args| | free-form comma-separated list | C++ link arguments to use |
-| cpp_std | none | none, c++98, c++03, c++11, c++14, c++17, <br/>c++1z, gnu++03, gnu++11, gnu++14, gnu++17, gnu++1z | C++ language standard to use |
+| cpp_std | none | none, c++98, c++03, c++11, c++14, c++17, <br/>c++1z, gnu++03, gnu++11, gnu++14, gnu++17, gnu++1z, <br/> vc++14, vc++17, vc++latest | C++ language standard to use |
| cpp_debugstl | false | true, false | C++ STL debug mode |
| cpp_eh | sc | none, a, s, sc | C++ exception handling type |
| cpp_winlibs | see below | free-form comma-separated list | Standard Windows libs to link against |
