Commit 0475ef2f97e3035a2eea9a0f96031331e07e8e29

Behdad Esfahbod 2015-12-18T18:17:07

[buffer] Add debugging, aka, message, API Currently just announces lookup applications. Message-API *will* change. hb-shape / hb-view are updated to print-out messages to stder if --debug is specified.