Boost C++ Libraries of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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Spirit V2.2

What's changed in Spirit.Qi and Spirit.Karma from V2.1 (Boost V1.41.0) to V2.2 (Boost V1.42.0)
New Features
Bug Fixes