Contributing to CUPS
====================

CUPS is developed by Apple Inc. and distributed as open source software under
the Apache License, Version 2.0 with exceptions to allow linking to GPL2/LGPL2
code.  Significant contributions to CUPS must be licensed to Apple using the
Apple Contributor Agreement:

    https://www.cups.org/AppleContributorAgreement_2011-03-10.pdf

Contributions should be submitted as attachments to bug reports on the
[CUPS Github project](https://github.com/apple/cups).  Changes to existing
source files should be submitted as unified diffs while new source files
should be provided as-is or in an archive.  Github pull requests can also be
used to submit changes.