# Verified against Divinum Officium (Monastic Tridentinum 1617), live # kalendar check (2025-12-29) -- wins outright, Semiduplex, within # Christmas's Octave (privileged-feria-minor) -- the concrete case that # revealed this month's temporal-category fix (Semiduplex, not just # Duplex+, wins outright here, which the original single-tier # `privileged-feria` model would have wrongly forbidden). Octave day # commemorated in return. Own proper collect, no unique antiphon of his # own. id: st-thomas-becket name: "St. Thomas of Canterbury, Bishop and Martyr" rank: semiduplex common: common-of-a-martyr-bishop propers: "st-thomas-becket"