The "squash" option to tiffsave now also squashes 32-bit 3-band float CIELAB images down to 8 bits. See https://github.com/libvips/libvips/issues/1499
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.