[DOC] clearer description of -std= (try 3)

[Ian Lance Taylor]

"Manuel López-Ibáñez" <lopezibanez@gmail.com> writes:

> I am still interested on fixing this so...
> 
> PING: http://gcc.gnu.org/ml/gcc-patches/2008-01/msg01525.html

This is OK.

Thanks.

Ian