tree d74722d78a6f299f1413f5aec60f023b39351642
parent 092094f7055c1632e9bdf2c07f16e984a88a65ec
author Garret Rieger <grieger@google.com> 1617312758 -0700
committer Garret Rieger <grieger@google.com> 1617316055 -0600

[subset] never drop the 'pref' feature.

Never ever drop feature 'pref', even if it's empty. Harfbuzz uses it to choose the shaper for Khmer.