Parts not implemented or known to be implemented incompletely/incorrectly:
[x] 5. ~... Dominicae vero Adventus, Quadragesimae et Paschae super omnia festa Domini et super omnes sollemnitates praecedentiam habent. Sollemnitates autem in his dominicis occurrentes, sabbato anticipantur. -- Currently the library always transfers impeded solemnities to the next available later day, never to an earlier one.~ -- This way the rule was in the oldest edition of the Normae, but in newer editions it's changed.
[x] 28.Tempus Quadragesimae decurrit a feria IV Cinerum ad Missam in Cena Domini exclusive. -- Currently the library considers days up to Holy Saturday as part of Lent.
[x] 60. b)In occurrentia accidentali, sollemnitas quae impeditur a die liturgico qui praecedentia gaudeat, ad proximiorem diem transferatur qui sit liber a diebus sub nn. 1-8 in tabula praecedentiae recensitis. -- Currently the library always transfers to the next available later day, never to an earlier one, even if the earlier free day is closer.
https://archive.org/details/CalendariumRomanum1969/page/n9/mode/2up
Parts not implemented or known to be implemented incompletely/incorrectly: