NA 30/03/2020: updated to align with latest version of reference document JUI-TASR-RIM-ICD-001_Issue_7 (section 3.2)
MCS 11/07/2022: updated to align with latest version of reference document JUI-TASR-RIM-ICD-001_Issue_9 (section 3.2)
MCS 13/12/2022: updated from RIME feedback: rime_modes_database_20220728_MS.xlsx