* Allow to modify/create EXIF 2.3 ASCII tags Make `tag_is_ascii` aware of the EXIF 2.3 ASCII tags that are available since libexif 0.6.22. See: https://github.com/kleisauke/net-vips/issues/167 * Fix CI
libvips test suite
This is in two parts: a few simple bash scripts in this directory are run on "make check", and a fancier Python test suite that's run by Travis on each commit.