040000 tree e04e255af57e4a9a144e69899da024b51725184b	embedding
040000 tree c76595b8ba046804491442d518ec7aecbdfe6565	fo
040000 tree e0c8bc965e2ba70a6dd5b949459d3c755b920311	hyphenation
040000 tree 7c94507e8d24d88b83f9c9f92f825dd4c0cf18b8	mathml
040000 tree 9055c140b2cb90cb579c1a7b41eeb764c4f3f4f8	plan