Commit 099472e08bf81d6dd8ca1647999592df6b7fdfb9

Behdad Esfahbod 2017-08-30T16:45:06

hb_buffer_diff() tweak I like to have a mode where CONTAINS_NOTDEF and CONTAINS_DOTTEDCIRCLE are not returned. Abused a value of -1 for that. hb-shape now uses it. Fixes two of the six tests failing with --verify in test/shaping/run-tests.sh.