040000 tree 3971e56a458280c0cfda8dbecf5a66807112f964	annot
040000 tree 0647c192fb9f180a263d0cc3f3623eec517ea3a2	eval
040000 tree ae928712cc769a1b1313589cbcbc742089f9223d	spelling
040000 tree 4e7f020eb8019009e349d46527d6c12c7db0a629	syntax