3cd9c29d9f
Add 5/4, 7/4, 7/8, 9/8 to _VALID_TIMES and VOCAB (TIME_* tokens). Vocab size grows from 81 to 85 tokens. _parse_metre in the McGill converter assigns subdivision=8 to 7/8 and 9/8. Spec bumped to v2.2. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>