Correction to The Boost Tuple Library: #include syntax

Boost libraries are unlikely to be local to a project.

<URL: file:///usr/share/doc/packages/boost-1.44.0/
libs/tuple/doc/tuple_users_guide.html#using_library >

Using the library
To use the library, just include:
#include <boost/tuple/tuple.hpp>
Comparison operators can be included with:
#include <boost/tuple/tuple_comparison.hpp>
To use tuple input and output operators,
#include <boost/tuple/tuple_io.hpp>