1 files changed, 6 insertions, 0 deletions
diff --git a/lib/kernel/rite.mli b/lib/kernel/rite.mli
index 0dcf17e..b9d1961 100644
--- a/lib/kernel/rite.mli
+++ b/lib/kernel/rite.mli
@@ -134,4 +134,10 @@ type ('s, 'r) t = {
           Easter-relative window (e.g. "within the octave of Easter") needs
           the civil date and the rite's own Easter to test it, and neither
           [temporal] nor [observed] alone carries that arithmetic. *)
+  gloria : temporal:('s, 'r) Temporal.t -> observed:'r Celebration.t -> date:Date.t -> bool;
+      (** Whether the Gloria in excelsis is said at this day's Mass (EF: RG
+          431-432). Same seam as {!creed} in every respect: same three
+          parameters and the same reasons for each, a [bool] not an
+          [option], and [false] is the answer a rite that has not
+          implemented the rule returns explicitly. *)
 }