[Boost-build] Why <.../src/contrib/boost.jam> is not a part of public domen (for end user) ?

Subject: [Boost-build] Why <.../src/contrib/boost.jam> is not a part of public domen (for end user) ?
From: Алексей Тайнов (taynovai_at_[hidden])
Date: 2015-03-18 14:53:15

Hello.
Why tool <.../src/contrib/boost.jam> do not install to end-user (like tools
- gcc,qt,etc)?
On my opinion It is useful and using boost libraries throw
.../src/contrib/boost.jam is comfortable.
Thank.