travis-ci/docs-travis-ci-com — pull request #13 by BanzaiMan (2014-02-05 03:48:12+00:00)
Title: Expound on how matrix exclusion and inclusion work

Use a few more examples, and reflect the following bug fixes
https://github.com/travis-ci/travis-core/pull/339
https://github.com/travis-ci/travis-core/pull/346