<feed xmlns='http://www.w3.org/2005/Atom'>
<title>colitur.git/test/cli.t, branch v1.1.0</title>
<subtitle>deterministic OCaml engine to compute and validate liturgical calendars for multiple rites, template-driven output to year 9999</subtitle>
<id>https://git.labunix.xyz/colitur.git/atom?h=v1.1.0</id>
<link rel='self' href='https://git.labunix.xyz/colitur.git/atom?h=v1.1.0'/>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/'/>
<updated>2026-08-27T10:33:43Z</updated>
<entry>
<title>fix(cli): make the flag surface systematic</title>
<updated>2026-08-27T10:33:43Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukasz@arcofasiagroup.com</email>
</author>
<published>2026-08-27T10:33:43Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=32e792a0741f62fc2c0c7dcf9255408b3256fad5'/>
<id>urn:sha1:32e792a0741f62fc2c0c7dcf9255408b3256fad5</id>
<content type='text'>
An audit probed every flag against every command rather than reading --help,
and found three inconsistencies.

--rite reached only `day` and `readings`. main.ml's own comment gave the
reason -- "has not been widened to a second rite in this task" -- a scope note
that had outlived its task and hardened into apparent design. View.of_days was
already polymorphic over the rite's type parameters, so widening was plumbing,
not library work: `temporal`, `rubrics`, `emit`, `table`, `render` and
`publish` now all take it.

`temporal` was the sharpest case. Its refusal said "--rite has no effect on
`temporal`", which was false: the EF has Septuagesima and Passiontide, the OF
neither, and every EF slug is ef-prefixed, so the flag would change nearly
every line. A message claiming no effect where the effect is total is exactly
what the audit set out to find.

Three ways of naming a year (positional, --year, --from/--to) now cross-accept
additively; naming two that disagree is a usage error rather than one silently
winning.

emit --format csv gained a rite-dependent header: EF's 16 columns are
unchanged, OF gets a 17th "second" between "first" and "gospel". An earlier
task had recorded RFC 4180 as permanently blocking this; the rule constrains
one file, not a family of them.

`rubrics` keeps refusing --lang/--raw, now with its reason. An intermediate
version accepted them by adding a name column, which changed the default from
six tab-separated fields to seven and broke both existing consumers and the
byte-identical-EF rule. The asymmetry is real but principled: the row is a
date, a slug, a source keyword, two booleans and a preface key, so there is
nothing to translate and nothing to strip. `easter` refuses --rite for the
same kind of reason -- its six anchors sit at identical Easter offsets in both
rites.

EF output verified byte-identical to 8590338 across day, readings, rubrics,
temporal and easter for 2026, 1583 and 9999, and across all five emit formats.
</content>
</entry>
<entry>
<title>fix(cli): render the Second reading on colitur readings</title>
<updated>2026-08-26T12:51:55Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-26T12:51:55Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=1c0137dee8ff3858707281366662891a5ff01044'/>
<id>urn:sha1:1c0137dee8ff3858707281366662891a5ff01044</id>
<content type='text'>
The OF lectionary (data/of/lectionary.sexp) carries 183 Second readings,
146 of them on Sunday keys, and the kernel resolves them correctly -- but
readings_line (EF) and readings_line_of (OF) in bin/main.ml only ever
printed Citation.First and Citation.Gospel, so `colitur readings --rite of`
silently dropped every Second reading it computed.

Both functions gain a second_suffix lookup, spliced between the existing
First and Gospel fields, present only when the day carries a Second
citation. No rite check: EF's citation_shapes is [[First; Gospel]] alone,
so EF rows are unaffected by construction, not by special-casing.

EF byte-identity verified two ways: `git diff --stat v1.0.0..HEAD --
data/ef/` is empty, and `colitur day`/`colitur readings --rite ef` for
2026, 1583 and 9999 cmp identical against a build of the prior commit.

test/cli.t: fixed the one now-stale assertion and added coverage for the
three-citation OF Sunday shape alongside the unchanged two-citation OF
weekday and EF shapes.
</content>
</entry>
<entry>
<title>fix(of): print the OF's own transcribed Latin/English names, not EF's</title>
<updated>2026-08-26T11:08:55Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-26T11:08:55Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=1a3046e2a3793fe52ec518818b19a6f15aadbb75'/>
<id>urn:sha1:1a3046e2a3793fe52ec518818b19a6f15aadbb75</id>
<content type='text'>
day_line_of/readings_line_of resolved every displayed name through
lang/la.ini -- data documented as "transcribed from the 1962 Missale
Romanum", i.e. EF vocabulary, keyed on slug. 18 of 222 shipped OF
sanctoral slugs collide with an EF slug there and all 18 printed the
WRONG (1962) title (e.g. "S. Marthae Virg.", a rank word the 1969
reform abolished, silently overriding amendment 011's own "Ss.
Marthae, Mariae et Lazari"); the other 204 had no entry and degraded
to a bare slug, so none of the 208 titles calendar-2002.sexp itself
transcribes (cited against the 2002 Missal) was ever reachable.

Add observed_name_of: prefer the observed celebration's own
Celebration.names (looked up by the requested language code), fall
back to the lang/*.ini table only on a miss. Under --raw this is a
no-op (Lang.raw's own code, "raw", is not a valid 2-letter ISO code,
so the names lookup always misses and falls through to the identity
table exactly as before). EF's day_line/readings_line are untouched --
EF's Celebration.names is almost always empty by design, lang/la.ini
is its real, independently-cited name table.

Regression net, two layers: test_lang_coverage.ml gains a test walking
the real assembled OF layer's entries, asserting that every genuine
lang/la.ini collision resolves to the OF's own name, never the EF
table's; test/cli.t pins one real collision (Martha, 29 July) through
the actual CLI in both la and en.
</content>
</entry>
<entry>
<title>feat(of): assemble Rite_of.context and wire --rite of into the CLI</title>
<updated>2026-08-26T07:53:22Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-26T07:53:22Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=8fa9db25f55f4ae92ad6a28115484dd981593a3c'/>
<id>urn:sha1:8fa9db25f55f4ae92ad6a28115484dd981593a3c</id>
<content type='text'>
Task 5 of Phases 3-5 (the payoff task): bundles Tasks 1-4's separately
built pieces (Temporal_of, Precedence_of, Rubrics_of, Lectionary_of)
into a (Vocab_of.season, Vocab_of.rank) Colitur_kernel.Rite.t, and
wires colitur day/readings --rite of &lt;year&gt; into the CLI. Default
stays ef; every pre-existing invocation is byte-identical (asserted
directly in test/cli.t and against a real v1.0.0 build for three
years, plus git diff --stat v1.0.0..HEAD over lib/rites/rite_ef/,
lib/kernel/, data/ef/ is empty).

No kernel change was needed, confirming the spec's central claim.
season_runs needed real thought rather than the brief's own suggested
Vocab_of.seasons: Temporal_of.season's own 'first run'/'second run'
comments confirm Ordinary Time is genuinely interrupted by Lent and
Easter over one liturgical year, so the expected run-length-compressed
sequence names it twice, six runs over five seasons -- exactly the
case Rite.t.season_runs's own doc comment already names as its
illustration for why this field is rite-supplied rather than derived.
easter/fixed_key are as specified, each carrying its own citation
(Gregorian computus; the 2002 Missal's one bissextilis occurrence is a
leap-year table entry, not a kalends-doubling rule, so fixed_key is
identity).

Follows rite_ef.ml's template and its lectionary-parameter lesson
exactly: lectionary is caller-supplied, not closed over.

test/test_rite_of.ml resolves the real assembled rite (calendar-2002
.sexp + all 13 amendment overlays + lectionary.sexp) through Calendar
and Validate.run, the same discipline test_validate.ml/test_rite_ef.ml
already apply to EF. This is the first time rite_of has been checked
this way, and it surfaced two new, real, cited gaps outside this
task's own scope to fix: Temporal_of never reaches Normae n.35(a)'s
30-December Holy Family fallback in a year with no Sunday in 26-31
December (first hit 1583, the domain floor), and Temporal_of.anchors
disagrees with temporal on 24 December when that date is itself a
Sunday (Advent IV outranks the Vigil, first hit 2006). Both pinned as
known-wrong, not fixed, the same treatment the brief's own pre-known
St Joseph/Palm Sunday gap (Normae n.56(f)) gets, pinned on 2062. A
third gap was found in data/of/lectionary.sexp's own coverage (audited
against one civil year only, so the other weekday-cycle letter is
unaudited and at least one pairing is asymmetric on shipped data) --
that file is excluded from this task, so the wide 2005-2050 sweep
checks structural invariants only and leaves the citation-chain checks
to the small, individually-audited landmark-year set.

make check (COLITUR_EXHAUSTIVE_SWEEP=1): exit 0, 867 tests, ~316s.
</content>
</entry>
<entry>
<title>feat(ef): the Mass preface, RG 482-499</title>
<updated>2026-08-22T21:24:12Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-22T21:24:12Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=0806fe65e388a9502035bc9d4f551528ac74b26d'/>
<id>urn:sha1:0806fe65e388a9502035bc9d4f551528ac74b26d</id>
<content type='text'>
Item 2 of Phase 3 (celebrant-rubrics-phase1), the bulk of this phase
and the last EF Mass rubric this project scoped: which preface is
said, deferring to seasonal/proper-title rules for the fourteen named
prefaces, then RG 498's Common residual.

RG 482 gives the resolution chain: the Mass's own proper preface,
failing that the seasonal one, failing that Common. Read literally,
RG 484-497 look like fourteen separate rules, but each numbered
rubric's own propria/de-Tempore pair produces the SAME preface
identity either way, so the whole chain collapses into one priority-
ordered decision: title/mystery triggers (Holy Cross, Sacred Heart,
Christ the King, Trinity, St Joseph, BVM, the Nativity octave, the
Apostles, Epiphany), each independent of season, then six seasonal
windows (Nativity, Epiphany, Lent, Holy Cross/Passiontide, Easter,
Ascension, Holy Spirit, Trinity-for-ordinary-Sundays), then Common.

The "one genuinely unproven piece" the design spec worried about --
per-feast proper prefaces extracted from the Missal's propers at scale
-- turned out not to be a large-scale extraction problem at all: every
one of the fourteen propers is a closed, small, subject/slug-keyed
trigger (mirroring Precedence_ef.band's own RG 91 table), not
thousands of individual saints' pages. The one genuine open question
(RG 488, the Chrism Mass) is N/A: this engine resolves one Mass per
civil day and has no separate Chrism-Mass dimension.

Preface is a new kernel type (lib/kernel/preface.ml[i]), not an
EF-specific one, the same placement as Colour/Subject/Mass_formulary:
Liturgical_day.t is parameterised only over season/rank, so any field
it carries generically must live in the kernel even though only EF
constructs a value of it today. Wired exactly as creed/gloria were
(Rite.t.preface, Calendar.ml, Rite_ef.context), but Preface.t option,
not a bare bool: unlike creed/gloria, a preface is said only at a
Mass, and Good Friday (1955-restored Holy Week) resolves an observed
celebration but has no Mass at all -- None is the honest answer there,
and also the neutral value an unimplemented rite returns.

Two priority-order findings only the oracle settled, not derivable
from the Latin text in isolation, both cross-checked against 358
individually classified entries in the FIUV Ordo's own praef column
(test/fixtures/fiuv-ordo-2025-2026.sexp, already captured, wired up
here as a new comparison axis): RG 484(b)'s own "except Masses with a
proper of the divine mysteries or Persons" is narrower than every
other window's implicit exception (an Apostle inside the Nativity
octave is overridden to Nativity; outside it, keeps his own preface
even inside another window); and RG 495's "et votivis" half is live
for the one office this engine models without a votive-Mass dimension
(the Saturday Office of the BVM), which also proved a vigil is not a
"festum" for this purpose (the Assumption's own vigil takes Common,
not BVM, correcting an initial reuse of Precedence_ef.marian_slugs
that had no reason to make that distinction for its own, different
rubric). A third, RG16(a)-shaped fix landed the same way: RG 494(b)'s
own Trinity grant must read the day's TEMPORAL season, not the
celebration that actually won it, or a Class1 feast with no preference
of its own (All Saints) wrongly falls to Common on a Sunday it merely
commemorates.

colitur rubrics gains a sixth TAB-separated column. Domain-wide
1583-9999 exhaustive sweep confirms every Christmastide day resolves
Nativity/Epiphany/Bvm, every Paschaltide day one of its own three
windows or a season-independent title, every Lent day Lent or a
title, and Passiontide legitimately produces Easter exactly once a
year (the Vigil Mass) -- 8416 of the domain's 8417 years, the one
short year being the domain's own upper boundary (the liturgical year
opening in 9999 cannot construct dates in year 10000, a pre-existing
edge this sweep re-confirms rather than a new one).

day/readings verified byte-identical to the branch's own state before
this phase (commit 9c96e0a) across a 455-year sample spanning the
whole domain -- not literally to the v0.10.1 tag, which 22 earlier
commits on this same branch (Phase 1/2, the bissextile shift, the
Rogation colour fix) had already moved past before this phase began.
</content>
</entry>
<entry>
<title>feat(ef): the Gloria in excelsis, RG 431-432, deferring to Breviary 237-238</title>
<updated>2026-08-22T15:56:42Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-22T15:56:42Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=f4cc032d7e812d716ff6b5df8192f79a2560e8f0'/>
<id>urn:sha1:f4cc032d7e812d716ff6b5df8192f79a2560e8f0</id>
<content type='text'>
Phase 2 of celebrant-rubrics-phase1: colitur rubrics gains a fifth
column, whether the Gloria is said. Follows the Creed's own seam
exactly -- Rite.t.gloria, Liturgical_day.t.gloria, wired through
calendar.ml the same way.

RG 431(a)/432(a) defer the Gloria to the Breviary's own Te Deum rule
(nn. 237-238), so te_deum is implemented as its own named predicate,
cited clause by clause, not collapsed into a colour heuristic. 431(c)
(Holy Thursday, the Easter Vigil Mass) and 432(b)/(d) (violet; a
Requiem) are independent overrides checked ahead of the Te Deum-derived
answer. Every clause this engine has no dimension to model
(votive Mass classes, the wider n.302 "Missa festiva" categories) is
stated as N/A with its own reasoning, not silently dropped.

Validated against the FIUV universal Ordo (Gloria and Te Deum) and all
three LMS editions (Gloria). A first pass over-trusted a clean-looking
15-for-15 FIUV contradiction of 237(b)'s own Septuagesima exception and
replaced it with a blanket "every Sunday" rule; the evidence was itself
corrupted -- the FIUV extractor recognised only one of the source's two
Te Deum negations ("non dicitur", not "sine"), so every "sine Te Deum"
Sunday read wrongly true. Fixed in tools/extract_fiuv_ordo.ml, fixture
re-extracted, and the literal 237(b) reading restored once the
corrected data confirmed it. A second bug surfaced alongside it (Palm/
Passion Sunday wrongly reading true via Temporal_ef.named's own table
membership, then Christ the King wrongly reading false from an
over-broad fix) is closed with an explicit two-slug exclusion.

Domain-wide 1583-9999: every violet or Rose day is gloria=false except
the Easter Vigil (RG 431(c) lex specialis), every Requiem is
gloria=false, both measured exhaustively, zero exceptions. Mutation-
proved: disabling 431(c) reddens 8 tests including all four oracle
comparisons; disabling 238(c)'s feria-I-classis exclusion reddens
exactly the dedicated Ash Wednesday unit test, a genuine blind spot in
both oracle layers, reported rather than hidden.

Two open, cited findings, neither fixed here (out of this task's
"follow creed's exact seam" scope): a privileged Lenten/Passiontide
feria carrying one commemoration reads Gloria=true in the LMS Ordo but
Te-Deum=true/Gloria=false in FIUV -- the two oracles disagree with each
other, not merely with colitur (data/ef/expected-divergences-lms.sexp
L5, expected-divergences-fiuv.sexp F3); and a pre-existing, uncited
Colour.Violet bug on Rogation Monday/Tuesday in Temporal_ef.temporal,
surfaced by this comparison but root-caused as a separate defect (L6).

day/readings verified byte-identical against a build from the branch
tip before this task (v0.10.1's own tag predates an already-landed
bissextile fix that legitimately changed both, so it is not the right
baseline).

671 tests green (dune test); 678 with the exhaustive sweep
(COLITUR_EXHAUSTIVE_SWEEP=1 dune test --force, ~104s).
</content>
</entry>
<entry>
<title>docs(cli): --help's rubrics section drifted to three fields, it has four</title>
<updated>2026-08-22T11:51:14Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-22T11:51:14Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=0a06541e4b894416e9211bd0d5b14f877de46d59'/>
<id>urn:sha1:0a06541e4b894416e9211bd0d5b14f877de46d59</id>
<content type='text'>
Task 5 (celebrant-rubrics-phase1) added a fourth rubrics column,
creed, and updated the man page for it. bin/main.ml's own built-in
--help was not: its "output formats" section and worked example still
showed three fields (date, formulary slug, source), and nothing
caught it because test/cli.t pins command dispatch but never the help
body.

Fixed the format line and its example, and added a short mention of
the creed column to the surrounding prose paragraph (source, format,
what --overlay/--lang/--raw do to it), matching the man page's own
account without copying it verbatim.

test/cli.t now cross-checks --help's own rubrics example against what
`colitur rubrics 2026` actually prints for the identical day, so the
two cannot silently drift apart again in either direction.
Mutation-proved: reverting the field count in --help alone (output
unchanged) reddens exactly this new check; reverted clean.
</content>
</entry>
<entry>
<title>fix(kernel): Mass_formulary.t.said is honestly optional -- was false for Votive</title>
<updated>2026-08-22T11:48:08Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-22T11:48:08Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=94ad73cf74d7f1cf02913e2f462c01028a8ef4b4'/>
<id>urn:sha1:94ad73cf74d7f1cf02913e2f462c01028a8ef4b4</id>
<content type='text'>
The .mli promised said is "the slug whose Mass is said". For Votive
(RG 78/309(a), the Saturday votive Mass of Our Lady) it was set to the
day's own ferial slug -- whose Mass is exactly the one NOT said. A
consumer joining rubrics to readings on that slug would silently get
the wrong Mass: 2026-01-03 reports ef-christmas-1-saturday, which has
zero entries in data/ef/lectionary.sexp, because the citations
actually come from bvm_saturday_citations, a season-keyed function
with no slug of its own anywhere in the shipped data.

Chose the type-honest fix over the interim documentation one: said is
now Slug.t option, None exactly for Votive, because there is
genuinely no slug in the shipped data this field could report for
that one source. Adding real ids for the five seasonal BVM Masses
(the reviewer's first option) is out of scope -- a data restructuring
this round explicitly does not carry. Threading the office slug
through a second field was considered and rejected as redundant: the
day's own office is already available on the same Liturgical_day.t
via observed.slug, which every caller already has in scope regardless
of via, so said does not need to duplicate it.

colitur rubrics stays byte-identical: rubrics_line already has
d.observed in scope and falls back to its slug when said is None,
printing the exact value it always printed for a Votive row (verified
directly, diffed against pre-fix output across four years). colitur
day/readings are unaffected (neither reads Mass_formulary at all).

colitur emit --format sexp's pretty-printed line count for 2027 moved
9011 -&gt; 9025: every day's formulary record widened by said's own
extra option wrapping, and to_string_hum wraps by column width.
Cosmetic only, diffed line by line to confirm every change is this
shape or a consequent wrap shift; recorded in test/cli.t alongside the
476(f) note it now sits next to.
</content>
</entry>
<entry>
<title>fix(ef): RG 476(f) -- the Creed is not said at a Requiem Mass</title>
<updated>2026-08-22T11:38:27Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-22T11:38:27Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=41263d60432fadd2aef3f04de66b60561f89cbec'/>
<id>urn:sha1:41263d60432fadd2aef3f04de66b60561f89cbec</id>
<content type='text'>
colitur said the Creed IS said on All Souls' Day and every other
Requiem-shaped day: RG 475(b)'s "in festis I classis" branch fired on
rank alone, with nothing checking RG 476(f), "Non dicitur symbolum ...
f) in Missis defunctorum". Allow-listed as L1 in
expected-divergences-lms.sexp on the argument that [creed] has no
notion of a Requiem Mass in its inputs and could not express the rule
without a signature change.

That argument does not hold. Colour.Black is used by exactly two
celebrations in the whole engine, verified by grepping every
occurrence in lib/ and data/: commemoration-of-all-souls
(data/ef/sanctoral.sexp) and Good Friday (temporal_ef.ml, already
false via the earlier RG 23(b) feria exclusion and has no Mass at all
in the 1955-restored Holy Week). So on every day this engine can
construct, colour = Black if and only if the Mass is a Requiem -- a
citable implication (RG 117 assigns black to Masses of the dead) on
this data, not a heuristic.

Rite_ef.Rubrics_ef.creed now reads observed.colour as RG 476(f)'s own
guard, positioned ahead of 475(b)'s rank branch. A new test,
test_colour_black_population_is_exactly_two, sweeps both the shipped
data and Temporal_ef's own code across a century and fails loudly the
day a third Colour.Black celebration is ever introduced, so the proxy
cannot silently rot.

L1 is closed in expected-divergences-lms.sexp, citation preserved.

Blast radius, measured (full 1583-9999 sweep, grouped by observed
slug): 8 416 days change from true to false, every one
commemoration-of-all-souls (missing from exactly 1 of the 8 417 domain
years, a boundary-year transfer effect at 1583/9999). A further 8 416
Colour.Black days are Good Friday, unaffected (already false before
this fix). colitur day/readings stay byte-identical to v0.10.1
(checked directly against a v0.10.1 worktree build, 9 domain-spanning
years); colitur rubrics changes on exactly the 8 416 days above.

colitur emit --format sexp's pretty-printed line count for 2027 moved
9010 -&gt; 9011 as a side effect: Sexplib.Sexp.to_string_hum wraps by
column width, and All Souls' Day 2027's record grew one wrapped line
because "false" is one character longer than "true". Cosmetic only --
no field's data changed -- and pinned in test/cli.t with the
measurement recorded.
</content>
</entry>
<entry>
<title>feat(ef): the Creed, RG 475-476</title>
<updated>2026-08-22T10:02:01Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-22T10:01:48Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=d4682c13161b62bc83eaae37790493f670d39c01'/>
<id>urn:sha1:d4682c13161b62bc83eaae37790493f670d39c01</id>
<content type='text'>
Whether the Creed is said at Mass. New Rubrics_ef.creed, reached through
a new Rite.t.creed field and a new Liturgical_day.t.creed bool (false,
not an option, for a rite that has not implemented the rule); colitur
rubrics gains a fourth TAB-separated column.

475(a) reads the TEMPORAL cycle's own weekday, not the observed day: a
Sunday impeded by a Feast of the Lord (RG 16a) still says the Creed.
475(d)'s three octaves (Nativity, Easter, Pentecost) are pure date/
Easter-offset windows, checked first, since a saint's feast winning the
day inside one of them still says the Creed ("etiam in festis
occurrentibus") -- St Stephen, 26 December, is the live witness.

RG 23 classifies Ash Wednesday and every feria of Holy Week (including
the Sacred Triduum) as feriae, not festa, however high their rank, so
475(b)/(c)'s "in festis" never reaches them; this single check subsumes
476(a)'s own naming of the Chrism/Lord's-Supper Mass and the Easter
Vigil. RG 28-34 vigils are a third liturgical-day category, also
excluded from "in festis" regardless of rank -- reuses the already-
exported Precedence_ef.is_vigil rather than a new list.

475(e)'s Apostle/Evangelist natalicia list (creed_apostle_slugs) was
derived by grepping data/ef/sanctoral.sexp directly and checking each
candidate's own date against whether it is that saint's dies natalis --
not copied from any list supplied with the task. The Conversion of St
Paul and the 30 June Commemoration of St Paul are excluded (neither is
a natalicium); the Chair of St Peter and St Barnabas are included only
because the clause names them explicitly, which is exactly why it has
to: neither is a natalicium either.

475(c)'s BVM half reuses Precedence_ef.marian_slugs (newly exported)
rather than the subject field alone: checked against the shipped data,
almost every Marian sanctoral entry ships subject=Saint, not Bvm.

man/colitur.1's rubrics section is updated to match the new column;
test/cli.t repinned via dune promote for the same reason. Verified
day/readings output byte-identical to v0.10.1 across the whole
1583-9999 domain (both binaries' concatenated day+readings output,
6,148,492 lines each, zero diff). Domain-wide: 882,996 days say the
Creed, 2,191,250 do not; every one of the domain's 439,178 Sundays says
it, zero exceptions.
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