1. set Makefile / VERSION to the desired release version number

  2. set core/CAT.php constants VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, VERSION_EXTRA and  RELEASE_VERSION to the desired version and TRUE

  3. copy repo into a new directory, and change into that directory ("build dir")

  4. ensure that transifex-client "tx" is well configured on the system

  5. ensure that phpDocumentor version 3 is in the path

  6. run "make distribution"

  7. the tarball is now in the parent directory of your build dir
  8. on GitHub, create a release tag
  9. add the tarball as an artifact to the release