3 files changed, 60 insertions, 12 deletions
diff --git a/internal/caldata/caldata_test.go b/internal/caldata/caldata_test.go
index c0e2d50..95bb7dc 100644
--- a/internal/caldata/caldata_test.go
+++ b/internal/caldata/caldata_test.go
@@ -434,6 +434,23 @@ func TestTridentineMissalOverrides(t *testing.T) {
 		{"didacus", "rank", "class-3", "Missal calendarium: S. Didaci Conf., III classis"},
 		{"vigil-of-st-lawrence", "colour", "violet", "RG 128: III-class vigil outside Paschaltide"},
 		{"vigil-of-the-assumption", "colour", "violet", "RG 128: II-class vigil outside Paschaltide"},
+		// RG 124: red is for Apostles, Evangelists and Martyrs. missalemeum has
+		// these inverted in BOTH directions -- confessors and virgins red, two
+		// actual martyrs white -- which is why both directions are pinned here.
+		// A fix that turned every one of them white would pass ten of these
+		// twelve and fail the two that matter.
+		{"alphonsus-liguori", "colour", "white", "RG 124: not a martyr, so white"},
+		{"apollinaris", "colour", "red", "RG 124(e): Bishop and MARTYR, red"},
+		{"augustine", "colour", "white", "RG 124: not a martyr, so white"},
+		{"camillus-de-lellis", "colour", "white", "RG 124: not a martyr, so white"},
+		{"ephrem-of-syria", "colour", "white", "RG 124: not a martyr, so white"},
+		{"jerome-emiliani", "colour", "white", "RG 124: not a martyr, so white"},
+		{"john-gualbert", "colour", "white", "RG 124: not a martyr, so white"},
+		{"john-of-san-fecundo", "colour", "white", "RG 124: not a martyr, so white"},
+		{"josaphat", "colour", "red", "RG 124(e): Bishop and MARTYR, red"},
+		{"julia-of-falconieri", "colour", "white", "RG 124: not a martyr, so white"},
+		{"martha", "colour", "white", "RG 124: not a martyr, so white"},
+		{"rose-of-lima", "colour", "white", "RG 124: not a martyr, so white"},
 	} {
 		rc, ok := l.Cels[c.slug]
 		if !ok {
diff --git a/internal/caldata/tridentine-calendar.ini b/internal/caldata/tridentine-calendar.ini
index 51b931a..54c8aa2 100644
--- a/internal/caldata/tridentine-calendar.ini
+++ b/internal/caldata/tridentine-calendar.ini
@@ -1053,7 +1053,7 @@ name.pl = śś. Bazylidesa, Cyryna, Nabora i Nazariusza, Męczenników
 [john-of-san-fecundo]
 date = 06-12
 rank = class-3
-colour = red
+colour = white
 name.en = St. John of San Fecundo
 name.pl = św. Jana z Facundo, Wyznawcy
 reading.first = Sir 31:8-11
@@ -1096,7 +1096,7 @@ reading.gospel = Matt 25:14-23
 [ephrem-of-syria]
 date = 06-18
 rank = class-3
-colour = red
+colour = white
 name.en = St. Ephrem of Syria
 name.pl = św. Efrema, Diakona, Wyznawcy i Doktora Kościoła
 reading.first = 2 Tim 4:1-8
@@ -1112,7 +1112,7 @@ name.pl = śś. Marka i Marcelina, Męczenników
 [julia-of-falconieri]
 date = 06-19
 rank = class-3
-colour = red
+colour = white
 name.en = St. Julia of Falconieri
 name.pl = św. Juliany Falconieri, Dziewicy
 reading.first = 2 Cor 10:17-18; 11:1-2
@@ -1294,7 +1294,7 @@ name.pl = św. Piusa I, Papieża i Męczennika
 [john-gualbert]
 date = 07-12
 rank = class-3
-colour = red
+colour = white
 name.en = St. John Gualbert
 name.pl = św. Jana Gwalberta, Opata
 reading.first = Ecclus 45:1-6
@@ -1342,7 +1342,7 @@ name.pl = św. Aleksego, Wyznawcy
 [camillus-de-lellis]
 date = 07-18
 rank = class-3
-colour = red
+colour = white
 name.en = Camillus de Lellis
 name.pl = św. Kamila de Lellis
 reading.first = 1 John 3:13-18.
@@ -1367,7 +1367,7 @@ reading.gospel = Luke 10:1-9
 [jerome-emiliani]
 date = 07-20
 rank = class-3
-colour = red
+colour = white
 name.en = St. Jerome Emiliani
 name.pl = św. Hieronima Emiliani, Wyznawcy
 reading.first = Isa 58:7-11
@@ -1408,7 +1408,7 @@ reading.gospel = Luke 7:36-50
 [apollinaris]
 date = 07-23
 rank = class-3
-colour = white
+colour = red
 name.en = St. Apollinaris
 name.pl = św. Apolinarego, Biskupa i Męczennika
 reading.first = 1 Pet. 5:1-11
@@ -1479,7 +1479,7 @@ name.pl = śś. Feliksa, Symplicjusza, Faustyna i Beatryczy, Męczenników
 [martha]
 date = 07-29
 rank = class-3
-colour = red
+colour = white
 name.en = St. Martha
 name.pl = św. Marty, Dziewicy
 reading.first = 2 Cor 10:17-18; 11:1-2
@@ -1511,7 +1511,7 @@ name.pl = Siedmiu Braci Machabejskich, Męczenników
 [alphonsus-liguori]
 date = 08-02
 rank = class-3
-colour = red
+colour = white
 name.en = St. Alphonsus Liguori
 name.pl = św. Alfonsa Marii Liguori, Biskupa, Wyznawcy i Doktora Kościoła
 reading.first = 2 Tim. 2:1-7
@@ -1777,7 +1777,7 @@ reading.gospel = Matt 18:1-5
 [augustine]
 date = 08-28
 rank = class-3
-colour = red
+colour = white
 name.en = St. Augustine
 name.pl = św. Augustyna, Biskupa, Wyznawcy i Doktora Kościoła
 reading.first = 2 Tim 4:1-8
@@ -1809,7 +1809,7 @@ name.pl = św. Sabiny, Męczennicy
 [rose-of-lima]
 date = 08-30
 rank = class-3
-colour = red
+colour = white
 name.en = St. Rose of Lima
 name.pl = św. Róży z Limy, Dziewicy
 reading.first = 2 Cor 10:17-18; 11:1-2
@@ -2435,7 +2435,7 @@ name.pl = św. Dydaka, Wyznawcy
 [josaphat]
 date = 11-14
 rank = class-3
-colour = white
+colour = red
 name.en = St. Josaphat
 name.pl = św. Jozafata, Biskupa i Męczennika
 reading.first = Heb 5:1-6
diff --git a/internal/calendar/oracle_ef_test.go b/internal/calendar/oracle_ef_test.go
index 47983c9..b74d935 100644
--- a/internal/calendar/oracle_ef_test.go
+++ b/internal/calendar/oracle_ef_test.go
@@ -128,6 +128,37 @@ type efAllow struct {
 
 var efAllowList = []efAllow{
 	{
+		// RG 124, "De coloribus paramentorum", section C "De colore rubro",
+		// both photographic scans word for word: 124(b) gives red to
+		// "Sanctorum Apostolorum et Evangelistarum, in eorum die natalicio,
+		// excepto festo S. Ioannis (27 decembris)", and 124(e) to "Sanctorum
+		// Martyrum, quorum colitur aut martyrium". Red is for Apostles,
+		// Evangelists and Martyrs; a Confessor, Doctor or non-martyr Virgin is
+		// white.
+		//
+		// missalemeum has these INVERTED IN BOTH DIRECTIONS -- ten confessors
+		// and virgins in red, and two actual martyrs (Apollinaris and
+		// Josaphat, both Bishop and Martyr) in white. Both directions failing
+		// is why this is read as a systematic upstream error rather than a
+		// judgement call: a rule applied backwards, not a series of
+		// individual mistakes.
+		//
+		// colitur adjudicated the same fourteen slugs against the scans (its
+		// C18 carries the per-slug reasoning, its M21 the oracle side, verdict
+		// colitur). Twelve are corrected here; conversion-of-st-paul and
+		// chair-of-st-peter already agreed.
+		match: func(date string, day time.Time, o efOracleDay) bool {
+			switch date[5:] {
+			case "06-12", "06-18", "06-19", "07-12", "07-18", "07-20",
+				"07-23", "07-29", "08-02", "08-28", "08-30", "11-14":
+				return true
+			}
+			return false
+		},
+		field:  "colour",
+		reason: "RG 124: red is for Apostles, Evangelists and Martyrs; missalemeum has ten confessors/virgins red and two martyrs white, inverted in both directions (colitur C18/M21)",
+	},
+	{
 		// The 1962 Missal's own universal CALENDARIUM ranks both of these as
 		// bare III-class feasts, with no commemoration rubric: "S. Ubaldi Ep.
 		// et Conf., III classis" (16 May) and "S. Didaci Conf., III classis"