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RG 110 (Caput XIV): "In Officio et Missa S. Petri semper fit
commemoratio S. Pauli, et vicissim... pro unica habeantur" -- in the
Office and Mass of either Peter or Paul, a commemoration of the other
is always made, uncapped by RG 111's own admission count. Both
photographic scans, full text including sub-clause (c) (a separate
trigger this register previously had not transcribed: the same rule
also fires when one Apostle's oration is admitted merely as an
ordinary/privileged commemoration, not only when it is the day's own
office).
Three real pairs in the 1962 calendar, all confirmed on both scans:
25 January (conversion-of-st-paul + peter), 22 February
(chair-of-st-peter + paul), 30 June
(in-commemoratione-sancti-pauli-apostoli + a new
commemoration-of-st-peter). The first two already existed as ordinary
sanctoral candidates but were wired into RG 111's ordinary, capped
admission contest instead of this rule's own uncapped one -- the
defect this closes. 30 June had no companion at all: a genuine gap
in lectio's own source data (confirmed directly against
tridentine-calendar.ini) and in missalemeum's own oracle output for
both fixture years, not only a colitur bootstrap miss, so colitur is
now uniquely correct on this date among the three engines compared.
Added via data/ef/adjustments.sexp's own Add directive, the
architecture's existing extension point for exactly this shape of
gap, since data/ef/sanctoral.sexp is generated and lectio must not be
touched.
Precedence_ef.admit gained rg110_additions/rg110_companion_slug,
layered on after admit's own four ordinarily-capped branches decide
their normal result: checks both the observed candidate and every
already-admitted candidate against the three-pair lookup and prepends
any companion found, uncapped and additional, never competing for
RG 111's own slot.
Measured full blast radius (1583-9999, pre-change binary from git
archive at 59fbda8 vs the fixed binary, 3,074,246 days each side,
14,627 differing days, all four predicted shapes, zero unclassified):
3,619 Holy Name fallback days (previous commit), 3,533 days Paul was
wrongly excluded from Chair of St Peter's own day by a competing
privileged feria, 593 days Chair of St Peter itself was admitted only
as an ordinary commemoration with Paul entirely absent, and 6,882 days
the new 30 June companion is added. The 3,533+593 figure supersedes an
earlier, narrower 852-day estimate that measured only the delta
between two older code commits, not the rule's full scope.
The lectio differential needed no change: it does not compare
commemorations at all, and this fix never touches season, slug, rank,
or colour. The missalemeum oracle allow-list needed three changes:
M12 removed (22 February 2027 no longer diverges in commemoration
count), M15's date list gained 2027-02-22 (now reaching identity
comparison for the first time, where it lands on that entry's own
pre-existing, unrelated limit -- one of the two commemorations is
temporal-origin and unnamed), and a new M19 for the 30 June gap.
Mutation-tested, both halves separately: disabling the admit-level
addition reddens the two new unit tests, the oracle's own M12-shaped
checks, and an existing golden pin (updated to expect the Paul
companion); removing only the 30 June data entry reddens solely the
oracle's new M19 count, confirming the code and data halves are
independently load-bearing.
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RG 17(a): "festum Ss.mi Nominis Iesu, celebrandum dominica quae occurrit
a die 2 ad 5 ianuarii (secus die 2 ianuarii)" -- both photographic scans,
confirmed on the calendarium's own January table and the Mass propers'
own heading. Two defects closed together, since they interact through
RG 91 entry 14/RG 16(a):
1. The Sunday shape (2-5 January) now tags subject = Lord, matching
RG 91 entry 14 ("Festa Domini II classis") -- previously subject =
Temporal, the same defect shape Holy Family had before it.
2. The fallback (RG 17(a)'s own "secus die 2 ianuarii", the calendarium's
"vel, ea deficiente, die 2 ianuarii") is now built: 2 January carries
the feast whenever no Sunday falls 2-5 January that year. Before this
fix colitur emitted no Holy Name office at all in such a year -- a
real II-class feast simply missing, on 3,619 of 8,417 years in the
domain (43%; 20 of the 46 years 2005-2050, independently re-derived
against `date -d`).
Both shapes band identically at RG 91 entry 14's MOVABLE half
(Precedence_ef.entry_14_movable_band) -- one feast, not two differently
classified ones, per the Mass propers' own single heading covering both
dates. No live collision exists in the current sanctoral data (nothing
fixed-date falls 2-5 January besides a Commemoration_only entry on 5
Jan), so the RG 16(a)/RG 112(a) interaction is proved with synthetic
precedence-level fixtures mirroring Holy Family's own precedent, not a
live-data regression. One asymmetry the synthetic tests found and kept
honest rather than forced: a losing Holy-Name-Sunday is privileged
(RG 109(a), "of a Sunday") and survives RG 111(a)'s cap; a losing
Holy-Name-fallback is not (2 January is not a Sunday, and no other
RG 109(a)-(f) category applies to it), so it gets no commemoration at
all if ever outranked -- both individually correct readings of RG 109/111's
closed lists.
Golden pins follow the brief's own vacuity warning: the Sunday shape
already emitted the right slug/rank/colour before this fix (an ordinary
Sunday and Holy Name coincide on those fields), so its pin asserts
subject explicitly rather than pinning the whole line uncritically; the
fallback pin (2029-01-02) is the one with teeth against the larger
defect, reddening on slug/rank/subject together if reverted.
Mutation-tested: each half of the fix reverted separately reddens
exactly its own tests (Sunday subject: the dedicated unit test, the
golden pin's subject field, one precedence end-to-end test; fallback:
the fallback unit/anchor/golden tests, the new C16 differential count,
and both shapes of the precedence end-to-end tests) and nothing else.
Adds data/ef/expected-divergences.sexp's C16 (lectio has no fallback for
this window at all) -- the lectio differential's own count, independently
re-derived against `date -d` for the fixture's 2005-2050 span, not
transcribed from the domain-wide figure. The missalemeum oracle window
(2026-2027) exercises only the Sunday shape and needed no new entry:
subject is not one of its compared fields, and both years' rows already
corroborate the Sunday-shape ranking (missalemeum's own 2026-01-04 and
2027-01-03 rows: rank 2, white, title "Holy Name of Jesus").
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spot precisely
The full breakdown, precisely: of 730 days, 331 are resolved (330
matching, 1 mismatched -- M13, Joseph vs the Seven Sorrows), 399
unresolved -- 373 in M18's own bucket, 26 absorbed inside M1/M2/M3/
M16's own widened subsets where the axis fires alongside their
pre-existing citation. M18's own note previously stated only its own
373 without this fuller context.
Also names the blind spot the axis exists to close in exact terms,
not just "the observed day's identity": a TEMPORAL-origin observed
day silently replaced by a DIFFERENT temporal-origin observed day of
the SAME rank and colour -- exactly Holy Family's own shape, and the
reason every prior layer stayed green through the whole gap. States
explicitly what the count pin does and does not prove: it guards
against the 373/399 population moving silently in either direction,
but cannot say which specific day moved or why.
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test_holy_family_anchor_present_and_erosion_is_caught built its
"eroded" list by filtering the exact pair it then asserted was
absent -- removing an element and checking it is gone proves
List.filter works, not that any detector caught anything. Borrowed
the name of test_anchors_erosion_is_caught, which uses a genuine
one: missing_from_anchors, called with an "expected" set sourced
independently of T.anchors (named_slugs_for_year, via T.named).
Reworked to match that shape: the expected slug is now sourced from
T.sunday_slug (season/weekday logic, a different function entirely
from T.anchors's own hand-typed string), and both the presence and
erosion checks reuse the real missing_from_anchors detector instead
of a bespoke, self-referential one.
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RG16(a)/RG112(a) key on
Two of the three original Holy Family pins (2026-01-11, ordinary
year; 2024-01-07, earliest possible date) were byte-identical before
and after temporal_ef.ml's own fix. Reverting the feature failed only
the 2030-01-13 collision pin -- describe omitted subject, the ONE
field the change actually touches on an ordinary (non-collision)
year, so those two pins asserted an ordinary Sunday's identity and
called it Holy Family. Vacuity flavour #1 (an assertion already true
before the code under test ran), not #8 (promoted from actual
output) -- the other nine fields' values were independently sourced
and remain so.
subject added to describe's own formatted line. Every existing golden
pin's expected string updated to match -- each value independently
sourced (grep data/ef/sanctoral.sexp for the sanctoral-origin pins;
Temporal for every ef-* temporal slug) before running the suite to
verify, not copied from actual output and rationalised afterward. All
matched on the first attempt.
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On 7,197 of the 8,417 days Holy Family occurs (every year that
isn't the 13-January collision), every emitted byte was identical to
the pre-change binary -- subject appeared in no output path the CLI
or any test read. Celebration.make already takes ?names, defaulting
to empty, and Temporal_ef.build never passed it.
build now takes an optional ?names, set only on Holy Family's own
branch: a LATIN name, not English. The oracle's own observed-identity
axis (test_oracle.ml) reads only `en`, so this is deliberately
invisible to it -- an English name here would mean reading
missalemeum's own title text, the oracle this exact axis is compared
against, to decide colitur's "ground truth" name: the "expected value
promoted from actual output" vacuity flavour this project's review
process watches for. Latin has no such circularity: the calendarium's
own January table and the Mass propers' own heading, both
photographic scans, word for word, "Sanctae Familiae Iesu, Mariae,
Ioseph" -- the same genitive-title convention test_names.ml's own
worked example already uses for Easter ("Dominica Resurrectionis").
Every other temporal-cycle candidate, including the neighbouring
Sundays, still carries no name of any kind -- a targeted addition for
the one day this task built, not a claim that the general gap
(register's own open item on Holy Name of Jesus, RG 17(a)) is closed.
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cite RG95's real primary authority
F2: the disposition comment for RG112(a) claimed the electronic
transcription "carries NEITHER this paragraph's own worked example
NOR its own more specific Mass-proper rubric... exactly the
transcription's documented defect" -- wrong on both counts, checked
directly rather than taken on trust.
RG 112 has no worked example in any of the three source documents
(the transcription included) -- there was nothing to drop. The Holy
Family Mass propers' own 13-January rubric is absent from the
transcription not because it silently drops content it otherwise
has (the project's own documented defect, dropped calendarium
commemoration lines) but because that specific document (a 2006 web
capture) contains almost no Mass-propers text of any day: 5
Introit-line occurrences across 26,322 lines, against 61 and 402 in
the two photographic scans; its own "Proprium de Tempore" page is a
table of contents linking to PDFs the capture never pulled in. A
coverage gap in a partial web capture, not an instance of the
narrower, different defect the methodology note actually describes.
The ruling is unaffected -- the propers' quotation is real, on two
independent photographic scans, and settles 13 January on its own --
only the attribution is struck, here and in test_precedence_ef.ml
(the register and the task report are corrected separately).
F7: RG 95's own second paragraph -- present in all three documents,
including the transcription -- is a more direct, occurrence-level
authority for the exact collision than RG 112(a): "if two feasts of
the same Divine Person... occur together, the one higher in the
table is kept, the other omitted." Added as the primary citation on
disposition's RG112(a) branch, with RG 112(a) and the propers' note
kept as corroboration. Also corrects RG 112(b)'s own framing: it is
bidirectional ("et vicissim"), and only the Lord-feast-wins direction
(RG 16(a)) is implemented -- the Sunday-wins direction has no witness
anywhere in this codebase's data and was wrongly described as already
covered.
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entry_14_movable_band = -14 was justified only by "cannot collide
with a real table position (1..28) or unclassified" -- a collision
argument, not an ordering one. band's own value is compared by plain
<, so a negative number beats every I-class entry (1-13), not merely
the fixed Baptism it was built to beat. Not live against the shipped
universal sanctoral data (no I-class universal feast falls 7-13
January, which is why the original 1583-9999 sweep showed only the
intended shape), but entries 12/13 admit PROPER and INDULT I-class
feasts too, and those arrive via adjustments.sexp-style overlays --
this architecture's own advertised extension path. A diocesan
patronal feast landing in Holy Family's window would have made the
inversion live immediately: the I-class feast displaced and
transferred to the next day, reproduced and confirmed before this
fix, reverted after.
Fixed by rescaling every band branch to the real RG 91 entry number
times ten (unclassified untouched at max_int) instead of the bare
1..28, reserving genuine headroom immediately before each entry for
a movable sub-rank -- not an arbitrary rescale: RG 91's own text
records a "primum mobilia, deinde fixa" split at three rows, not
only entry 14 (entry 12's own ninth sub-item, entry 14, and entry
20), so this leaves room for the other two without a second rescale
if either ever gets a live witness. entry_14_movable_band now
derives from entry_14_fixed_band - 1, tied together so they cannot
drift apart.
Added a synthetic I-class end-to-end test reproducing the exact
counter-example that found this: a universal I-class candidate
inside Holy Family's own 7-13 January window is now observed and
does not transfer, with Holy Family itself falling to RG109(a)'s
ordinary privileged-Sunday-commemoration path, the same treatment
any genuine feast outranking an ordinary Sunday gets.
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An ordinary year (2026-01-11, no fixed-date competitor), the latest
possible date and the one 13-January collision (2030-01-13, the
fixed Baptism of the Lord excluded entirely by RG91 e14 + RG112(a)),
and the earliest possible date (2024-01-07, Epiphany a Saturday) --
proving RG 17(b)'s own 7-13 January window at both ends, not only
its middle. Every field independently traced against the primary
text before typing it in, per this file's own header rule: season
stays christmastide (RG 72-73, unaffected by which Sunday of it this
is), week stays unset (Christmastide has no numbered weeks at all),
slug is unchanged from the plain Sunday key this date always carried
(temporal_ef.ml's own comment on why RG 17(b) needs no new
lectionary key), rank II class, colour white. Each weekday
independently cross-checked against "date -d <iso> +%A" (GNU
coreutils).
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layer_m_reason's own five entries whose diff shape was checked by
EXACT list equality (M1, M2, M3, M13, M16) lost their match once the
observed-identity axis widened every row's diff set two commits ago.
Each is widened the same way commemoration-identity was already
widened for M13 once before: the axis now ALSO fires alongside their
existing citation, same root cause, same id -- M1/M3 (temporal-origin
observed day, no name), M2 (same, plus five Paschaltide dates that
used to match cleanly and now surface for the first time), M13
(Joseph, sanctoral, now a genuine title MISMATCH, not merely
unresolved), M16 (the temporal Passiontide feria observed there).
M18 covers the remainder: 373 of 730 days whose observed celebration
is temporal-origin and so carries no English name at all -- the
overwhelming majority of the window, including Holy Family's own two
dates in it (2026-01-11, 2027-01-10), counted here rather than shown
as a false Matched. Gated on the diff SHAPE alone (this file's own
convention for a population this size, the same reasoning M2's own
title-substring predicate already uses instead of a date list),
verdict unresolvable -- the same fourth verdict M15 already
established for the identical limit on the commemoration axis.
Building an English name onto the temporal cycle is Plan 4's own
scope, register §6.
Teeth, per the brief: temporarily corrupted hilary's own English
name in data/ef/sanctoral.sexp (14 January 2026, an OBSERVED sanctoral
day, rank and colour left untouched) and reran. Reddened immediately:
2026-01-14: observed-identity-mismatch differ -- colitur=(rank=3
colour=w ...) oracle=(rank=3 colours=[w] title="St. Hilary" ...)
rank and colour agree on both sides -- exactly the shape the
pre-strengthening comparator would have slept through completely.
Reverted (git diff on the data file is empty) before this commit.
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Before this task's Holy Family fix, colitur's generic Sunday
fallback lost outright to the fixed Commemoration of the Baptism of
the Lord on 13 January whenever it fell on a Sunday, producing the
SAME slug lectio's own tridentine-calendar.ini shows there --
squarely inside C1's own 6-13 January blanket (only Season differed).
Now that Holy Family (RG 17(b)) correctly outranks the fixed Baptism
and excludes it as a commemoration (RG 91 entry 14, RG 112(a)),
colitur's own slug on those seven dates (2008, 2013, 2019, 2030,
2036, 2041, 2047) changes to ef-time-after-epiphany-sunday-1 -- a
genuine identity divergence against lectio, which has no Holy Family
at all. C1's own predicate does not absorb it (jan_6_13_slug has no
entry for that slug), so it surfaced as unexplained, exactly the
check the task brief asked for: split it out into its own cited
entry rather than widening C1's predicate to swallow it silently.
C1's own expected_rows moves 368 -> 361 (back to its pre-rebootstrap
value, for a third and different reason than either of the first two
moves recorded in its own note); the new C15 covers the 7 rows,
gated on the literal date list AND colitur's own slug, the same
identity guard C1/C6/C8/C14 already apply.
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Two related fixes, both needed for Holy Family to actually observe
correctly on the seven years it coincides with the fixed
Commemoration of the Baptism of the Lord (13 January): 2008, 2013,
2019, 2030, 2036, 2041, 2047.
band's entry 14 ("Festa Domini II classis") gated on sanctoral
origin only, so a movable Class2 Lord feast had no row in the table
at all. RG 91 entry 14's own text says otherwise: "primum mobilia,
deinde fixa" -- movable first, then fixed. entry_14_movable_band
gives Holy Family (the one movable candidate this codebase builds
with subject Lord) a value strictly better than the fixed half's own
literal 14, negative so it can never collide with a real table
position -- without it, the two would tie at 14 and fall to
Precedence.resolve's own alphabetical tie-break, which picks the
WRONG side ("commemoration-of-the-baptism-of-the-lord" sorts before
"ef-time-after-epiphany-sunday-1").
disposition gets a new branch for RG 112(a) (Caput XVI, "De
Commemorationibus"): the Office, Mass or commemoration of a mystery
of one Divine Person excludes a commemoration of another mystery of
the SAME Divine Person. Winner and loser both subject Lord -> Omit,
not Commemorate -- without it, Holy Family observing correctly still
left the Baptism admitted as an ordinary Class2 commemoration under
RG111(b), which the primary text does not allow.
Confirmed by a MORE SPECIFIC primary source than RG 112(a) alone: the
Holy Family Mass propers' own note, found on both photographic scans,
word for word, immediately after the Postcommunio -- "Si festum S.
Familiae occurrerit die 13 ianuarii, Missa dicitur de festo S.
Familiae, sine commemoratione Baptismatis D.N.I.C., et sine
commemoratione dominicae." The electronic transcription carries
neither this rubric nor RG 112(a)'s own worked example -- another
instance of its documented defect, not merely absent from one check.
Still expected red: the lectio differential (2005-2050) now shows a
new, real divergence on those seven 13-January-Sunday dates -- lectio
has no Holy Family at all, so it still shows the fixed Baptism
observed there, unlike colitur now. The oracle's own M-series entries
also still need widening for the observed-identity axis added two
commits ago. Both are the next commits.
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RG 17(b), verified against both photographic scans (missale-romanum-
1962.pdf and "Missale Romanum 1962_text.pdf" -- the electronic
transcription carries the same paragraph, so this one is not itself
a transcription-vs-scan divergence): the Holy Family of Jesus, Mary
and Joseph is celebrated on the first Sunday after Epiphany, II
class, EVERY year, taking the Sunday's own place "cum omnibus
iuribus et privilegiis" -- the same formula RG 16(a) already uses.
The slug, rank and colour temporal_ef.ml already computed for that
Sunday (ef-time-after-epiphany-sunday-1, Class2, white) turn out to
be exactly right by coincidence -- an ordinary, unnamed Sunday and
Holy Family share both. The only field that was silently wrong is
subject: always Temporal before this, when RG 91 entry 14 ("Festa
Domini II classis, primum mobilia, deinde fixa") calls Holy Family a
movable Feast of the Lord. temporal's build now takes an optional
~subject, applied only on Holy Family's own date -- every other
Sunday, including the still-unbuilt Holy Name of Jesus (RG 17(a)),
is unaffected.
RG 17(b)'s window (7-13 January) can never be empty of a Sunday --
sunday_on_or_before(6 Jan) + 7 always lands in [7, 13] regardless of
6 January's weekday -- unlike RG 17(a)'s Holy Name (2-5 January, CAN
be empty), whose calendarium entry carries an explicit "vel ea
deficiente, die 2 ianuarii" fallback right next to Holy Family's own,
fallback-free one. No fallback needed or built.
Added to anchors (holy_family_sunday is independently computed, not
routed through named -- see temporal_ef.ml's own comment on why) and
to its own dedicated anchor/erosion test in test_temporal_ef.ml,
kept separate from the generic named-days coverage test since this
genuinely isn't one of named's own outputs.
Does not yet touch precedence: band still has no notion of a movable
Class2 Lord feast (entry 14 gates on sanctoral origin only), so on
the seven years 13 January is itself Holy Family's date (2008, 2013,
2019, 2030, 2036, 2041, 2047), the fixed Commemoration of the Baptism
of the Lord still wins the day exactly as before this commit -- the
next commit fixes the ordering RG 91 entry 14's own text states
("primum mobilia, deinde fixa").
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Layer 4 (test_oracle.ml, vs missalemeum) compared the observed
celebration's rank and colour and stopped there -- it never checked
whether the observed day is actually the RIGHT one. Holy Family (11
January 2026: oracle title "The Holy Family: Jesus, Mary & Joseph")
is rank 2/white on both sides purely by coincidence -- an ordinary,
unnamed Sunday and Holy Family share both -- so this layer has been
silently blind to the missing feast since it was built.
Adds Observed_identity_mismatch/Observed_identity_unresolved,
following the shape and honesty of yesterday's commemoration-identity
comparison (Comm_identity_mismatch/Comm_identity_unresolved): colitur
identifies its own observed day by slug, missalemeum by an English
title, and the bridge is Celebration.t.names, read directly off
LD.observed. That name is only ever set for a SANCTORAL-origin
celebration -- a TEMPORAL-origin one (an ordinary Sunday, a feria, a
movable named feast) carries none, so most of the 730 days in the
fixture window land in Observed_identity_unresolved, not a clean
match. That is counted and reported, never silently skipped -- the
same discipline this file already applies to an unresolvable
commemoration.
WIP, expected red: 399 days now show observed-identity-unresolved
with nothing in the allow-list naming it, and five of the six
existing M-series entries whose own diff shape is checked by exact
list equality (M1, M2, M3, M13, M16) lose their match now that this
axis widens their diff set. Landed on its own, ahead of any
production fix, so it is the regression net the following commits are
checked against rather than a change bundled in alongside the fix
they enable. The next commits widen those five entries' own diff
shapes and add the new bucket's own cited allow-list entry, then build
Holy Family itself.
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Both are the "cardinality where identity was required" flavour, and both
were demonstrated passing a real defect by the fixture-refresh review
rather than argued.
C6 accepted `subset diffs [ Slug_f; Rank ]` while its own note said the
shape had narrowed to slug-only after lectio's Christmas-octave rank was
corrected. That did not merely over-permit: every one of the 138 rows
already carries a Slug_f diff, so an added Rank diff changed neither the
diff-set membership nor the count, and the entry was blind. Dropping the
RG 91 entry 17 elevation in temporal_ef (Class2 -> Class4 on octave days
5-7) left both differential tests green with C6 still reporting 138.
Narrowed to `diffs = [ Slug_f ]`; the same mutation now reddens both.
C14 gated on lectio's date alone, with no colitur-slug guard, though fix
round 1's finding 1 had established that a predicate must pin which
celebration its citation is about -- C1, C6 and C8 all carry that guard.
With compare_deferred switched to RG 98 origin order the observed
celebration flips to the Annunciation on all three dates, and C14 still
matched exactly 3 rows with its count pin green; the suite reddened only
because the sibling dates fell outside every predicate. Guard added.
No behaviour change: 277 tests green, and the allow-list counts are
unmoved (C6 138, C14 3).
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lectio moved 2386a45 -> 3b32c00 (seven EF calendar defects fixed, plus a
sanctoral-generator root-cause fix); the committed fixture predates all
of them. Regenerated with the same command the provenance note already
named (`go run ./cmd/lectio-ef-dump 2005 2050`), read-only against
lectio -- nothing there was touched. New SHA-256 asserted in both the
provenance note and test_differential.ml's fixture_sha256. The dumper's
two new name_en/name_pl columns are kept verbatim (the fixture is meant
to be the exact command's raw output; the comparator already discards
everything past field 7).
Every C-entry's expected_rows was re-derived independently against the
refreshed fixture (a Python re-implementation of diff_fields/
layer_c_reason, cross-checked against the real OCaml comparator's own
failure output), not transcribed from a green run. Nine entries -- C2,
C3, C4, C5, C7, C10, C11, C12, C13 -- now match zero rows and are
closed: sexp row removed, layer_c_reason predicate and its now-dead
helper bindings removed, citation preserved in
docs/research/rules-register.md's new §3d with the specific lectio
commit that fixed each one. C1 (361 -> 368) absorbs C13's former 7 rows
now that lectio's own slug matches there too. C6 (138, unchanged count)
narrows to a slug-only shape now that lectio's rank agrees. C8 (31,
unchanged) survives untouched -- lectio still computes no Rogation days.
C9's old shape ("Joseph observed ON a Lent Sunday") is also closed, but
a narrower, different divergence survived under the same saint's slug: 3
years (2008, 2035, 2046) where Joseph's own congested RG96 walk collides
with the Annunciation's separately-transferred "sedes propria". The old
predicate's broad "any diff involving this slug" match was silently
absorbing both under one citation -- split into a new id, C14, rather
than folded back into C9, since the two are unrelated rules. lectio's
own commit history (09a1444) documents this residual as a gap it
deliberately left unresolved; colitur gives Joseph a real transferred
day either way, which is why C14's verdict stands regardless of a
genuinely open sub-question (recorded in the register, not resolved
here) about which of the two feasts should claim the contested day
first under RG98's "prius impeditum" wording.
Re-triaged the full remaining 4975 raw differences: only 10 distinct
field-diff signatures now, all resolving to Layer A/B noise or the four
surviving citations, 0 unexplained. The crude "Sunday-rank" and "Holy
Thursday" residues the task flagged both fully resolve once the real
Layer A/B machinery runs (season-spelling and week-numbering artifacts,
not substantive divergences) -- see the task report for the derivation.
Teeth proof: perturbing ferial_rank to reproduce C4's old defect made
140 rows reappear as unexplained (the exact prior C4 count), reverted
after capturing the failure message.
277 tests green (dune test) and 278 with COLITUR_EXHAUSTIVE_SWEEP=1 (the
extra case is the 1583-9999 sweep itself).
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The previous commit's bootstrap_sanctoral.ml change (name.pl optional) is
correct and verified not to silently drop a present name, but nothing in
the suite would have caught a regeneration that dropped name.pl WHOLESALE
-- the exact defect lectio itself shipped once (a regeneration that lost
all 322 Polish names, only caught because that project's own review ran
cmd/lectio-ef-dump, which happens to include name fields; this project's
own test_load_and_counts checks entry/status/rank counts only, none of
which move if every name.pl vanishes).
Added a 322-of-327 count assertion (5 legitimately lack it, matching
parse_names's own list), independently re-derived: `grep -c '^name.pl'
tridentine-calendar.ini` = 322, cross-checked against `grep -c '(pl'
data/ef/sanctoral.sexp` = 322 exactly.
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data/ef/sanctoral.sexp bootstraps colour=red for this new entry (14 Aug),
inherited from lectio's own ini; missalemeum's fixture independently tags
it :r too -- two non-primary witnesses agreeing with each other, not with
the Missal, the exact "trap" this project's own transcription-audit task
already named once.
Checked directly against the scan (missale-romanum-1962.pdf), not taken on
a reviewer's transcription: the 14 August proper reads "S. Eusebii Conf. /
Commemoratio / Missa Iustus, ut in festo S. Pauli primi Eremitae, die 15
ianuarii" -- Conf. (Confessor, not Martyr), borrowing the SAME Mass 15
January's own Paul the First Hermit uses, a Confessor's Common, white in
both engines' own data for THAT entry. Every other Confessor/Abbot
commemoration in lectio's own data is white (maur-abbot, giles, remigius,
didacus, ubaldus, hilarion, sabbas, silvester, alexis); Eusebius Confessor
is the one exception, with no textual support found for it.
No behavioural impact today (Commemoration_only entries are never the
printed observed colour under the current pipeline), fixed via the overlay
mechanism since sanctoral.sexp is generated and the source is upstream.
New test proves it through the real pipeline, the same discipline already
applied to the subject retags.
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13 January retagged subject=Lord (previous commit's regeneration) makes
RG16(a) fire on the 7 years it falls on a Sunday within 2005-2050 (2008,
2013, 2019, 2030, 2036, 2041, 2047): colitur now observes the Baptism of
the Lord itself where it used to observe the generic Sunday slug. The diff
signature against lectio's fixture widens from {season;colour} to
{season;slug;colour} -- but jan_6_13_slug already pre-authorised this exact
slug across the whole 6-13 January window (correctly, for the other 39
non-Sunday years), so layer_c_reason routed the new, wider-shape rows into
C1 unchanged, and C1's own expected_rows (a pure row count) did not move.
A count proving cardinality where identity was required -- on the one day
this branch itself already flags as still wrong under RG 112.
Split into its own entry, C13, matched by an exact 7-date literal list
checked before C1 in the if/elif chain. C1's own expected_rows corrected
368 -> 361 (independently re-derived: a Python script reading
data/ef/sanctoral.sexp's regenerated output and the committed lectio
fixture directly, replicating diff_fields/layer_c_reason's own logic
outside the OCaml comparator -- not transcribed from the failing
comparator's own count).
C13's own citation records a refinement over the coordinator's framing,
checked directly rather than assumed: lectio's committed fixture is a
frozen snapshot that predates lectio's own equivalent fix to this entry's
class field (the same staleness shape as C12). Confirmed by building
lectio's own cmd/lectio-ef-dump from its current source tree (read-only)
and running it fresh for all 7 dates -- lectio's LIVE engine now agrees
with colitur's slug/rank/colour exactly, disagreeing only on season (the
already-understood C1 divergence). This is not evidence colitur's answer
is right against the Missal -- it is not (register's own RG112 item) --
only that this specific divergence from the fixture is a staleness
artifact, not a live disagreement between the two engines' current logic.
Also fixes F5: C12's own note said "5 of the 15 corrected slugs" while
listing and counting 7 -- corrected to 7.
Also corrects the module header's stale "13 January ... slug/rank/colour
already equal lectio's exactly, in all 46 years" claim (true only for the
39 non-Sunday years now).
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are silent
The comment on test_iii_class_feast_wins_class4_feria gave a single reason
for why 8 of the 15 rank-corrected slugs produce zero diff rows anywhere in
the domain: "always fall inside Lent/Passiontide proper, RG 91 entry 22,
which already outranks entry 24". Wrong for 3 of the 8: gabriel-the-
archangel (24 Mar), john-damascene (27 Mar) and john-of-capistrano (28 Mar)
land in Paschaltide 226/846/1108 times domain-wide, always at class-1
(inside the Easter Octave, RG91 entry 2/10), never entry 22.
The conclusion (zero diff rows) was and remains right; only the reason was
wrong -- exactly the "correct code, wrong explanation" defect this project
has repeatedly caught before. Corrected to the actual, checked shield:
every context these 8 dates ever land in domain-wide is either class-1/2
(trivially outranking any class-3 candidate and excluding it from
commemoration by RG111's own rank floors, regardless of status) or the
season's own class-3 feria at entry 22 (which outranks entry 24 for
observation but admits the losing saint's commemoration identically
whether Commemoration_only or Feast, RG111(c)/(d) having no ferial-class
gate on an ordinary sanctoral candidate).
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2008-04-02/04/05 and 2038-03-06/08/09 are the six dates the re-bootstrap's
own brief named as producing a wrong observed office under the old data
(a III-class feast wrongly demoted to Commemoration_only, unable to win
against an ordinary class-4 feria it should trivially outrank). Verified
against the Missal before pinning, per this file's own rule: RG 91 entry 24
("Festa III classis, in calendario Ecclesiae universae inscripta")
outranks entry 28 ("feriae IV classis"), a plain, unqualified table
reading, and the calendarium text for all six was already primary-verified
in the register before this task ran -- only the data was wrong.
Each pin proves the mechanism, not merely the answer: an omitted_has check
(one per season family, Paschaltide and Septuagesima) confirms the
displaced class-4 feria actually reached disposition and was actively
excluded under RG26, not merely absent because nothing was ever offered.
test_easter_extreme_2038_late_modern's own header previously recorded these
three March dates as a DELIBERATE EXCLUSION because they were known wrong;
corrected in place to point at the now-existing pin instead of continuing
to justify an exclusion whose reason no longer holds.
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Each was recorded as a genuine data gap "traced upstream into lectio,
unfixable without touching lectio". That constraint is gone: all five
commemorations (St Agnes secundo 28 Jan, St Eusebius Confessor 14 Aug, St
Evaristus 26 Oct, St Theodore 9 Nov, St Boniface Martyr 14 May) are now
present in the re-bootstrapped sanctoral.sexp, and each divergence stops
occurring in the 2026-2027 oracle fixture -- verified by re-running the
comparator and confirming zero rows for all five ids, not assumed from the
data change alone.
Removed rather than kept as dead 0-row citations, matching the M17
precedent already in this file: the count pin
(test_layer_m_counts_match_citations) now enforces that none of these five
divergences can silently reappear. Corresponding dead code (m4_dates
.. m14_dates and their layer_m_reason branches) removed from
test_oracle.ml; a short pointer comment left at each id's old location.
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Re-bootstrapping sanctoral.sexp (previous commit) makes 7 of the 15
newly-corrected III-class feasts win an occurrence they previously lost as
Commemoration_only: RG 91 entry 24 (a universal III-class feast) outranks
entry 28 (a IV-class feria), and the occurrence code that resolves this
already existed and needed no change. lectio's own committed differential
fixture (test/fixtures/lectio-ef-2005-2050.txt) is a frozen snapshot
predating lectio's own equivalent generator fix, so it still shows the
class-4 feria observed with the same saint only as a trailing
commemoration -- a new, expected divergence from that fixture, 14 rows in
the 2005-2050 window.
expected_rows (14) is independently re-derived by grepping the regenerated
sanctoral.sexp's own post-regeneration civil-day output against the
committed lectio fixture directly (two flat-file extractions cross-checked
against each other), not transcribed from the comparator's own failing-test
output.
C12 reuses an id last used, and removed, by the RG16(a) task's own reverted
Purification retag -- noted at both the old and new entries' own comments
so the id's history is visible to a future reader.
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Neither of adjustments.sexp's two directives is a no-op after the
regeneration, and neither is removed -- reasoned through deliberately
rather than deleted on sight, per Overlay.apply's own documented
diagnostic behaviour (Edit has no "already correct" case; it unconditionally
folds every field_edit over the current value when the slug is present, no
diagnostic either way).
`Edit most-holy-name-of-mary (Set_subject Bvm)`: the base bootstrap no
longer needs this correction (the source dropped `class = lord` for this
slug, so the default is already Subject.Saint), but the overlay still
forces `Saint -> Bvm`. Kept for two reasons: data precision (the
calendarium's "Sanctissimi Nominis Mariae" title still argues for Bvm over
the generic Saint default, independent of what lectio's class field says)
and as a regression guard (Set_subject is unconditional, so it would also
correct a future re-introduction of `class = lord` for this slug, the one
subject value RG16(a) behaviourally reads).
`Suppress vigil-of-christmas`: re-verified, not assumed -- the slug is
still present, unchanged, in both the regenerated source and the
regenerated sanctoral.sexp, so the directive still fires its ordinary
slug-present path.
test_rite_ef.ml's own comment on the overlay-in-effect test previously
claimed the base file carries `subject Lord` for most-holy-name-of-mary,
which the regeneration made false; corrected in place rather than left
stale, per this project's own discipline around wrong claims.
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Regenerated via tools/bootstrap_sanctoral.ml against lectio's
tridentine-calendar.ini (SHA-256 6a25e634... -> 1b303ef2...), whose own
generator was independently fixed in a concurrent session. 327 entries (223
feast, 104 commemoration-only), up from 322 (208/114):
- 15 entries wrongly bootstrapped `rank = commemoration` are now
`class-3` (a real III-class Feast) -- all 6 March-5 April, all
primary-source-verified against the calendarium (register's own
"Commemoration-only entries' inferred STATUS" item).
- 5 new entries: agnes-secundo (28 Jan), boniface-martyr (14 May),
eusebius-confessor (14 Aug), evaristus (26 Oct), theodore (9 Nov) --
all Commemoration_only, all primary-source-verified (register's "Four
confirmed sanctoral DATA GAPS" item + expected-divergences-missalemeum
.sexp's former M4/M6/M7/M9/M14).
- commemoration-of-the-baptism-of-the-lord (13 Jan) is now
`(subject Lord)` (the source's own `class` field, not a colitur
overlay); most-holy-name-of-mary (12 Sep) no longer carries `class =
lord` at all (the source dropped it), so the bootstrap default
(Subject.Saint) is now correct there without help from
adjustments.sexp's own Edit.
test_sanctoral_ef.ml's pinned counts (327/104/12 Class1) are re-derived
directly from the source INI (`grep -c '^\['`, `grep '^rank' | sort |
uniq -c`), not transcribed from a bootstrap-tool or `colitur day` run.
data/ef/adjustments.sexp and the differential/oracle allow-lists still
need updating for the consequences of this regeneration -- follow-up
commits.
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All three are the project's own "correct code, wrong explanation" shape,
found by the final review of the RG 113 work. No behaviour change.
test_rite_ef.ml's registered Alcotest label said "Thomas of Villanova
observed, Maurice commemorated" while the test asserts the Ember
Wednesday is observed, Thomas is the sole commemoration and Maurice is
omitted -- the opposite of two of its three assertions. The body's own
doc comment was right; only the name a test run prints was wrong.
validate.ml's lead-in still said origin is reconstructed as Sanctoral
uniformly because the EF admit "reads only rank and slug, never origin".
That stopped being true in ea22ad2: admit now orders by band, and band
reads origin via is_temporal, so a temporal-origin commemoration
relabelled Sanctoral would be scored on the wrong table entry. The code
below already recovers the origin exactly; only this comment lagged.
precedence_ef.ml's band guard justified itself by citing
celebration.mli as saying a demoted feast retains its rank for RG 111's
admission-COUNT purposes. celebration.mli says the opposite -- it names
the ORDERING use the guard removes. The guard is right for a reason it
did not give: rank stays load-bearing through RG 111(b)'s "de festo II
classis" floor, which is what excludes these entries from a II-class
Sunday's slot. Both the citation and celebration.mli's own now-stale
line are corrected, each recording what it previously claimed.
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Fix round 1 on the commemoration-identity/tie-break work: the "genuine
same-band tie" M17 adjudicated as open was not a tie at all. RG 91's
table enumerates only "dies liturgici" (real feasts) -- entry 24's own
text is "Festa III classis, in calendario Ecclesiae universae
inscripta" -- so a Celebration.t.status = Commemoration_only candidate
(a saint reduced to a bare commemoration) has no row in the table to
begin with. Precedence_ef.band used to read rank alone, so it silently
lent such a candidate the same table entry as a genuine Feast of its
own rank; the calendarium's own 22 September row confirms the
distinction in its own notation ("S. Thomae de Villanova ... III
classis. / Commemoratio Ss. Mauritii et Soc. Mm." -- Thomas carries a
class number, Maurice carries none).
Fixed at the source, not by adding a status tier to compare_precedence:
band now checks status first, ahead of every rank-keyed branch, and
returns unclassified for any Commemoration_only candidate. M17 deleted
(not re-adjudicated) -- 22 September now resolves identically on both
sides, with no divergence left to name.
Blast radius measured independently (a temporary git worktree at the
pre-fix commit): 4451 days change across the whole 1583-9999 domain,
exactly 4 verified shapes -- 3576 x maurice-and-companions-martyrs ->
thomas-of-villanova and 282 x eleutherius -> philip-neri (admitted set
changes), 502 x appollonia/cyril-of-alexandria and 91 x dorothy/titus
(order only, independently confirmed against the calendarium's own
listing convention). Zero days change who is observed. Further swept
the whole domain for a genuine "two different candidates on the
identical real table entry" residual -- the shape RG 113 truly gives
no instruction for -- and found it empty: of 109201 same-rank ties
domain-wide, 83950 now resolve by band alone and the remaining 25251
are exclusively two Commemoration_only candidates tied at unclassified,
never two real feasts. The residual admit still breaks alphabetically
is real, but narrower than previously documented.
The "66 days" figure is reconciled, not merely disputed: 599 is the
tie population, 65 (whole-comparator: 67) is the real admitted-set
decision count within it (independently reproduced against the
pre-Task-B binary), 149 is order-only. Every one of the 65 real
decisions traces to the same Commemoration_only/Feast root cause as
Maurice/Thomas.
Also: validate.ml's admission fixed-point check recovers a
commemoration's real origin (by matching its slug against the day's
own temporal office) instead of reconstructing every candidate as
Sanctoral, since band -- unlike EF's own admit -- does read origin;
precedence_ef.ml/.mli's motivating example and blast-radius claims
corrected to no longer rest on the fixed Maurice/Thomas case;
test_identity_rank_corroboration's own population count corrected now
that 22 September (and 21 other Feast-status matches) became reachable;
its rank-agreement pin documents exactly what it does and does not
prove. Register (§4, §6.1, §6 checklist) and CLAUDE.md corrected in
place, including the RG 113 first-sentence gap this exercise surfaced
but did not close, recorded as a new open item.
275 -> 276 tests (with the exhaustive sweep), all green.
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test_oracle.ml (validation layer 4) used to compare commemoration
presence and List.length only -- cardinality, never which candidate is
admitted. A reviewer proved this vacuous by reversing admit's dignity
sort (the engine admitting the worst commemoration, an outright RG 111
violation) and finding every assertion in this file green across all
730 days.
tools/extract_missalemeum_oracle.py now also emits each commemoration's
own missalemeum id (field 9, commemoration_ids), parallel to the
existing title field; fixture regenerated from the same underlying
lectio snapshot (commit d7da4b0, re-verified, first 8 fields
byte-identical), read from a scratch copy so ~/git/projects/lectio was
never touched. SHA-256 pin and provenance updated.
The mapping: colitur identifies a commemoration by slug, missalemeum by
an English title string. No hand-built slug<->title table -- colitur's
own Celebration.t.names already carries the same English text for every
SANCTORAL-origin commemoration (bootstrapped from lectio, verified to
match missalemeum's titles character-for-character). This resolves
identity for every sanctoral-origin commemoration but cannot resolve a
TEMPORAL-origin one (Rite_ef.Temporal_ef never sets a celebration name)
-- that case is a new, distinct outcome (Comm_identity_unresolved),
counted and allow-listed, never silently skipped: 19 of 227
non-empty-commemoration days over 2026-2027.
Two genuine identity mismatches found and adjudicated (new allow-list
entries M15-M17, one is the unresolved bucket): M16, 27 March 2026, the
already-known unimplemented Seven Sorrows of Passion Friday office
(verdict missalemeum); M17, 22 September 2027, the RG 113 same-band
tie-break residual (verdict open, per the sibling admit fix). A new
corroborating check cross-references missalemeum's own id-embedded rank
against colitur's, split by status: Feast-status matches must agree
exactly (none reachable in this 2-year window, checked regardless);
Commemoration_only-status matches either genuinely agree or fit a known,
pre-existing, already-registered convention gap (colitur's bootstrap
rank vs missalemeum's own sentinel) -- not a title-matching defect.
Perturbation test performed and reverted: reversing admit's dignity-
based ordering (compare_precedence's real committed form uses band, not
dignity -- this reproduces the historical defect shape directly) turns
the oracle layer red: "no differences outside the cited allow-list"
fails with an unexplained commemoration-identity-mismatch on 2026-09-23
(colitur admits "St. Thecla" where the rubric and missalemeum both
require "St. Linus"). Reverted; diff against the prior commit confirms
no residue.
CLAUDE.md's "know what each layer cannot see" section updated: the
commemoration-identity gap it documented as open is now closed, with
the mapping's limits and the RG 113 tie-break finding summarised.
271 -> 273 tests (274 with the exhaustive sweep), all green.
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precedence, not slug
Precedence_ef.admit broke a same-rank tie among commemoration candidates
alphabetically by slug -- a deterministic engineering convention with no
rubrical citation. RG 113's own second sentence, primary-source-verified
against two independent scans and previously uncited in the register
(only "commemoratio de Tempore fit primo loco" was quoted before), gives
the real rule: "in admittendis et ordinandis aliis commemorationibus,
servetur ordo tabellae praecedentiae" -- admitting and ordering
commemorations both run on the rite's own table of precedence (band's
28-entry table), not RG 8's coarse four-class rank.
Precedence.resolve now computes each commemoration candidate's own band
value once, generically, and hands it to rules.admit as a third tuple
element (Precedence.rules.admit's signature changed accordingly, ditto
Precedence_ef.admit; every rule-record stub in the test suite updated to
match). Precedence_ef.admit's own compare_dignity is replaced by
compare_precedence, ordering by band then slug; a residual tie within one
identical band value still falls back to slug, since RG 113 gives no
further instruction there -- documented as a still-uncited engineering
convention, not dressed up as a rubric.
RG 98 ("in paritate autem Officium prius impeditum praecedit") was
considered as a candidate authority for that residual and rejected: it
governs the transfer queue order among several simultaneously-impeded
I-class feasts (Caput XIII), a different operation in a different
chapter from RG 113's commemoration admission (Caput XVI); nothing in the
primary text connects the two.
Blast radius measured against the pre-change binary across the entire
1583-9999 domain (not only 2005-2050): the admitted-commemoration-slug
set is byte-identical, day for day, before and after this change. The
fix corrects the citation and mechanism, not the answer, on this
codebase's current data -- both of the task brief's named examples
(22 Feb Chair-of-Peter/Lent-vs-Paul, 22 Sept Maurice-vs-Thomas-of-
Villanova) are confirmed present and unchanged in both streams. A new
test (RG113: admit picks by precedence order, not slug, when they
disagree) proves admit actually consults the passed-in precedence value
with a synthetic pair whose slug order and precedence order disagree --
teeth a same-band-only regression test could not have caught, since
every real collision found in the domain happens to agree on both axes.
271 -> 272 tests, all green; COLITUR_EXHAUSTIVE_SWEEP=1 unaffected.
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data/ef/expected-divergences-missalemeum.sexp's M6 entry and its matching
comment in test/test_oracle.ml both cited 1962-06-23,_SS_Ioannes_XXIII,
_Missale_Romanum,_LT.pdf's 14 August row ("Vigilia, II classis." --
nothing else) as if it were the calendarium itself. It is an electronic
transcription that silently drops commemoration lines the photographic
scans carry. missale-romanum-1962.pdf's 14 August row reads "Vigilia, II
classis, Commemoratio S. Eusebii Conf.", with its own proper following --
independently confirmed in the second scan, Missale Romanum 1962_text.pdf.
M6's verdict flips colitur -> missalemeum: this is a genuine colitur data
gap, the same shape as M4/M7/M9/M14 (absent from data/ef/sanctoral.sexp and
from lectio's own tridentine-calendar.ini), not a spurious oracle entry.
Not fixed here for the same reason those four are not: it requires
touching lectio's own bootstrap source, out of reach for this task.
expected_rows is unchanged (2) -- the diff shape the allow-list predicate
matches does not depend on which side is judged correct, confirmed by the
suite passing unchanged.
A companion register ruling that convicted romanus (9 August) on the
identical reasoning -- and the register's own sanctoral-audit bucket
counts that followed from it -- are corrected in docs/research/
rules-register.md (gitignored, not part of this commit). Full audit
method, the complete list of dropped commemorations found across the
whole calendarium, and every other ruling checked for the same defect
are in .superpowers/sdd/2026-08-12-colitur-rg16a/transcription-audit-
report.md (also gitignored).
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Fix round 1 review, MINOR finding (item 4). Both precedence_ef.ml and
test_precedence_ef.ml claimed the loser-side Class2 conjunct held because
'entry 6's own band value (6) is lower than every entry [3, 11-14]' --
false on its face (6 is not lower than 3) and, worse, the claim proves the
opposite of what it was cited for: if a band-3 candidate really did
contest a Class1 Sunday, the lower number would win, meaning the Sunday
would lose, not beat it as claimed.
The conclusion itself was never wrong, only the justification. Against
entries 11-14 (sanctoral-origin Lord feasts) the numeric argument holds
(6 < 11-14). Against entry 3 (Epiphany, Ascension, Trinity, Corpus
Christi, Sacred Heart, Christ the King) it is not numeric at all but
structural: every band-3 celebration is temporal-origin, and
Precedence.resolve takes exactly one temporal candidate per day, so a
band-3 Lord feast IS that date's own single temporal candidate, never a
second one contesting a separately-produced Sunday -- there is no band
comparison to make in the first place. Comment-only; no behaviour change.
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day's own Sunday-ness, not observed
Fix round 1 review, two findings landed together because each golden pin's
correctness depends on both.
CRITICAL (item 1): reverts this branch's own first-pass retag of the
Purification (2 February) from Lord back to Bvm -> Lord. The calendarium
titles it 'B. Mariae Virg.', but missalemeum -- this project's designated
EF oracle -- treats it as taking an occurring II-class Sunday's place
outright, commemorations empty, exactly RG16(a)'s own festum Domini
treatment (2020-02-02, 2014-02-02, independently fetched). Control,
2019-09-08 (the Nativity of the BVM, an ordinary Marian feast, on a
Sunday): the Sunday observed, the feast merely commemorated -- the
opposite pattern, proving the Purification's own oracle treatment is
deliberate, not a gap. RG16(a) alone, on the untouched data, would have
matched the oracle character for character; retagging Bvm is what moved
colitur away from it on 1200 domain-wide days. The user has ruled: follow
the oracle. Genuine primary-text counter-evidence (RG120(b), the colour
rule grouping 2 February under 'B. Mariae Virg.', a category separate
from 'Domini') is recorded in the register, not discarded -- a different
project could reasonably rule the other way on the same evidence.
most-holy-name-of-mary stays retagged Bvm; that one was never disputed.
Removes the now-unneeded C12 lectio allow-list entry (data/ef/
expected-divergences.sexp, test_differential.ml): with the Purification
Lord again, colitur matches lectio's own class = lord on every affected
date, no divergence to allow-list.
IMPORTANT (item 2): Precedence.rules.admit gains a ~temporal parameter --
a genuine kernel signature change, unlike RG16(a) itself. RG111(b)'s own
Sunday rank floor ('one commemoration, namely of a II-class feast') used
to be detected by reading observed's own slug for a Sunday marker, which
silently assumed observed IS the day's temporal-cycle office. RG16(a)
breaks that assumption on purpose: a Feast of the Lord standing in for an
impeded Sunday 'cum omnibus iuribus et privilegiis' keeps the day a
dominica II classis for RG111(b) too, even though the FEAST, not the
Sunday, is observed. Before this fix an unrelated saint (Pope Sixtus II
et al., 6 August, Class3) was wrongly admitted into the freed slot on
every one of 1178 domain-wide days. Oracle-confirmed directly: 2023-08-06
(a Sunday) shows him displaced, commemorations empty; 2026-08-06 (an
ordinary Thursday) shows him admitted -- being a Sunday is exactly what
excludes him. admit now reads Sunday-ness off ~temporal (the day's own
temporal-cycle candidate, passed through from Precedence.resolve
unchanged) instead of observed. Validate's own admission fixed-point
invariant updated to pass the same real temporal candidate through.
Both golden pins in test_golden.ml were promoted from actual colitur day
output without independently consulting the rubric or the oracle first --
a real defect the review caught. Re-derived from both before re-pinning:
2028-08-06 and 2025-02-02 now pin comms=[], no commemoration at all,
matching missalemeum exactly in both cases.
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Two real dates, hand-verified against the rubric before pinning
(test_golden.ml's own discipline): 2028-08-06, the Transfiguration
suppressing an ordinary Sunday's commemoration entirely (with an
unrelated III-class saint the same fixed date, Pope Sixtus II et al.,
still getting its own ordinary commemoration -- proof the rule targets
the Sunday specifically, not every commemoration due that day); and
2025-02-02, the corrected Purification -- the Sunday observed, the
Purification surviving as an ordinary commemoration, the exact opposite
of what RG16(a) would have done to it before the data fix.
Re-ran the exhaustive sweep (COLITUR_EXHAUSTIVE_SWEEP=1 dune test
--force): 1583-9999, 0 failures, including the resolution invariants
that now see RG16(a)'s changed commemoration accounting.
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Both entries carried (subject Lord) in data/ef/sanctoral.sexp, inherited
unchecked from lectio's own class = lord field. The calendarium says
otherwise: 2 February reads "IN PURIFICATIONE B. MARIAE VIRG." and
12 September reads "Sanctissimi Nominis Mariae" -- both name Mary, not
the Lord, unlike the four genuine Lord entries' own "D. N. I. C."
formula (Precious Blood, Transfiguration, Exaltation of the Holy Cross,
Dedication of the Archbasilica of the Most Holy Saviour), all of which
were checked against the same calendarium and left untouched.
This matters together with RG16(a): applying the rule while the
Purification was still mistagged Lord would have made it outrank an
occurring II-class Sunday and then wrongly suppress that Sunday's own
commemoration under RG16(a) too, the opposite of the intended fix.
Retagged, the Purification no longer bands at RG91 entry 14, so the
Sunday is observed and the Purification survives as its own ordinary
commemoration.
Corrected via a new data/ef/adjustments.sexp overlay (Set_subject Bvm),
the same mechanism that file already uses to suppress vigil-of-christmas
as a bootstrap duplicate, not a hand-edit of sanctoral.sexp itself: that
file's own header asks for edits to go through the generator, and its
SHA-256 provenance covers a byte-faithful mirror of lectio's INI. The
Purification retag changes which day the lectio differential observes on
2 February whenever it falls on a Sunday (six years, 2005-2050); allow-
listed as C12 in data/ef/expected-divergences.sexp, expected_rows derived
independently (date -d <year>-02-02 for each year in range), not
transcribed from a comparator run.
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Sunday uncommemorated
Caput III "De Dominicis", RG 16(a): a Feast of the Lord, I or II class,
occurring on a II-class Sunday takes the Sunday's own place with all its
rights and privileges -- of the Sunday, therefore, no commemoration is
made. band's entry 14 already ranked such a feast above the Sunday
correctly; disposition had no exception for the collision, so the impeded
Sunday fell through to the ordinary RG 95/109(a) commemorate-or-omit
catch-all and was wrongly admitted as a privileged commemoration.
Adds a branch to Rite_ef.Precedence_ef.disposition, gated on all four of:
loser is temporal-origin, loser rank Class2, loser carries the Sunday slug
marker, winner rank Class1-or-2 with subject Lord. No signature change --
disposition already receives the winner (RG 33's own vigil-omission branch
already reads it); each conjunct is proved independently load-bearing by
a dedicated disposition_cases row, including one real-data case each for
the winner's subject and rank conjuncts, and a defensive synthetic case
for the winner rank conjunct's currently-unreachable Class3 shape. A new
end-to-end resolve-level test (2028-08-06, the Transfiguration) proves the
real band/disposition pipeline together, checking the Omit reason string
distinguishes this from admit's own admission-limit cut.
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Six independent, small corrections found during the final review:
- dune (workspace root): the comment said the stanza used "(:standard)"
to preserve dune's default `default` alias target; the stanza actually
spells that out explicitly via (alias_rec install). Comment now matches
the code.
- test_validate.ml's test_easter_extremes asserted `List.length ys = 2`
where an identity check was called for -- the comment already named
1598 and 1666, but nothing confirmed extreme_years() found THOSE two
rather than some other pair with the right cardinality. Now asserts the
identities directly (the project's "cardinality where identity was
required" vacuity flavour, per the review).
- test_oracle.ml and expected-divergences-missalemeum.sexp both claimed
"one entry (M13) is [verdict open]" -- M11 is open too (its own verdict
changed from colitur to open in fix round 1); both now say "two entries
(M11 and M13)".
- expected-divergences-missalemeum.sexp's M2 note attributed `band` to
temporal_ef.ml; `band` is precedence_ef.ml's own function.
- lib/kernel/precedence.mli documented `dropped`/`admit`'s physical-
equality obligation nowhere -- it lived only in one rite's own module
(Rite_ef.Precedence_ef.admit's doc comment), but this signature is what
an author of the next rite actually reads. Added the obligation here,
cross-referencing the EF instance as precedent, not the only source.
- README's opam install line omitted sexplib and ppx_sexp_conv (both in
dune-project's own depends; `dune build` fails without them for a
contributor following the README verbatim) and documented only
`colitur easter`, though `temporal` and `day` both exist and are the
more useful entry points. Fixed both.
No behaviour change: comment/doc/test-assertion corrections only (the
easter-extremes fix strengthens an assertion, it does not change what
passes). Verified byte-identical `colitur day` output across 1583, 1900,
1902, 2008, 2011, 2026, 2038, 9999. 259/259 tests green.
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test_validate.ml's own prop_invariants samples 200 of 8 416 years
(2.4% of the domain) on a random seed -- QCheck.Test.make draws a fresh
one from the environment each run when none is given, and two consecutive
runs of this suite were observed using different seeds. CLAUDE.md's
standing claim that Validate is "clean across all 8 416 years --
exhaustive, not sampled" was true whenever it was last actually re-run in
full, but pinned by no committed artifact, and a year-specific regression
would show up in this suite only intermittently.
Added test_exhaustive_domain_sweep: every year 1583..9999 through
Validate.run, not a sample, with 9999 handled via the same documented
truncation test_year_9999_does_not_raise already pins (the domain ceiling
means the season-run check legitimately, and only, fires there).
Tagged `Slow, but NOT wired through Alcotest's -q/--quick-tests flag at
the dune level: that filtering is all-or-nothing per speed level, and
this codebase already tags six OTHER cases `Slow -- the two pre-existing
exhaustive Computus checks (fast, sub-second) and, found while
implementing this item, every QCheck property in the suite (test_date.ml
x3, test_overlay.ml, test_temporal_ef.ml, prop_invariants itself), since
QCheck_alcotest.to_alcotest defaults ~speed_level to `Slow when not given
explicitly and no call site in this codebase overrides it. Wiring
`(action (run %{test} -q))` into test/dune was tried and reverted: it
dropped the default `dune test`'s reported count from 260 to 251,
silently excluding prop_invariants itself -- the project's own
"confidence-to-9999" property -- along with five others, a far bigger
regression than the one test this item asks to add.
Instead the new test gates its own body on an environment variable,
COLITUR_EXHAUSTIVE_SWEEP, and calls Alcotest.skip when unset -- reported
honestly as SKIP, not a vacuous pass, and not counted toward "tests run".
Default `dune test` is therefore unaffected (259 tests run, same as
before this commit, 1 skipped) and stays at ~2.6s. Run the real sweep
with:
COLITUR_EXHAUSTIVE_SWEEP=1 dune test --force
Measured runtime: ~49-53s (three separate invocations, including dune's
own build/dependency-check overhead), against the ~35-45s estimate --
same order of magnitude, reported as measured rather than adjusted to
match the estimate.
No behaviour change to any existing test. Verified byte-identical
`colitur day` output across 1583, 1900, 1902, 2008, 2011, 2026, 2038,
9999, both with and without COLITUR_EXHAUSTIVE_SWEEP set.
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68 "register line N" pointers in tracked code and data cited the
register's line numbers directly. The register has moved since: line 334
(cited six times as RG 91 entry 8) is now rose/colour prose; lines
375-376 (cited as "RG 109 leaves Advent/Lent Ember ordinary") are now
RG 26, the paragraph that refutes that exact reading; line 374 (cited as
RG 109(a)) is now RG 25's Latin; line 378 (RG 111) is blank.
expected-divergences.sexp even wrote "RG 91 line 332" three times, as
though the line offset were part of the rubric's own identity. Since
docs/research/rules-register.md is gitignored, no reader of the public
repo could resolve any of these, and -- since the register has moved on
its own copy too -- neither can the author's.
Replaced every pointer with an anchor that survives editing: the RG
paragraph/entry number itself (already present in nearly every case,
since the citation text already names "RG 91 entry N" or "RG 109(a)"
next to the stale line number -- the line number was redundant, not
load-bearing) plus a "§4" or quoted-subsection-heading pointer into the
register for readers who want to locate the fuller discussion. Also
corrected one genuinely stale content error found while migrating its
anchor: test_precedence_ef.ml's RG33 disposition-cases comment still said
"a I/II-class vigil impeded by any Sunday" -- the pre-Task-16
mistranscription the register itself corrects to II/III class; fixed the
prose alongside its citation, since leaving a wrong RG-class claim next
to a freshly-verified anchor would be worse than the stale line number it
replaced.
Covers lib/rites/rite_ef/precedence_ef.ml (18), precedence_ef.mli
(already fixed with item 1), test/test_precedence_ef.ml (44, including
two instances that only word-wrapped "register\nline N" across a line
break and so did not match a same-line grep), and
data/ef/expected-divergences.sexp (5, including three "RG 91 line 332"
instances). All 68 original pointers resolved -- none needed guessing;
every citation's target rule was already named in the surrounding prose.
No behaviour change: every edit is a comment/citation/data-note change.
Verified byte-identical `colitur day` output across 1583, 1900, 1902,
2008, 2011, 2026, 2038, 9999. 259/259 tests green.
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The guard added under Plan 2's carried item 5 only scanned a +/-window of
dates around Easter, so it caught erosion of an Easter-relative anchor but
missed a fixed-date one entirely: deleting ("ef-nativity", ...),
("ef-epiphany", ...) or ("ef-christ-the-king", ...) from temporal_ef.ml's
anchors list left the whole suite green. Item 5 -- the item this guard
exists to satisfy -- was therefore only half-closed while being reported
as closed, and the least-covered anchor was exactly the one with the
weakest citation (Christ the King's last-Sunday-of-October placement,
oracle-backed but not yet primary-verified as of this commit).
Widened the scan from an Easter-centred window to the whole civil year:
named only ever answers Some for its ~20 genuinely proper/named days, so
scanning every day of the year is no more likely to pick up an ordinary
week's slug by accident than the narrower window was -- it is simply no
longer selective about which KIND of named day it notices. Renamed
easter_relative_named_slugs to named_slugs_for_year and the covering test
to test_anchors_cover_all_named_days accordingly; broadened the negative
fixture (test_anchors_erosion_is_caught) to strike an Easter-relative and
a fixed-date anchor together.
Verified by deleting each of the three previously-unguarded anchors in
turn (locally, reverted after each), rebuilding and re-running the suite:
delete ef-nativity: Received: `["ef-nativity"]'
delete ef-epiphany: Received: `["ef-epiphany"]'
delete ef-christ-the-king: Received: `["ef-christ-the-king"]'
each against the same assertion:
ASSERT 1598: every named slug is restated in anchors
FAIL 1598: every named slug is restated in anchors
Expected: `[]'
All three reversions applied only to temporal_ef.ml (not committed); the
tree is unchanged there. Test count unchanged (259); no behaviour change.
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guard claim
Item 2(a): the RG 26 omission gate (rank = Class4) is extensionally
identical, over every candidate this engine actually constructs, to the
refuted "privilege_of loser = Ordinary" predicate it replaced -- confirmed
by enumerating the whole candidate space over 1583-9999, substituting the
old predicate back leaves 257/257 green and byte-identical output. Adds a
synthetic row: a temporal-origin, Ordinary-privilege Class3 loser, which
the two gates disagree on (RG26: Commemorate; the refuted gate: Omit,
since it never looked at rank). Reverting the gate to the old predicate
turns exactly this row red:
Expected: "Commemorate(Ordinary)"
Received: "Omit"
Item 2(b): the existing "RG33 boundary" row's comment claimed it proved
the RG26 branch's own (not (is_vigil ...)) guard. It does not: the vigil
sourced there is Class2, already excluded by the branch's rank = Class4
test alone, with or without the vigil guard -- verified by deleting the
guard, which leaves 257/257 green. Corrected the comment to say what the
row actually shows (RG31's "if impeded, commemorated" vigil mandate, a
real and separate fact worth keeping) and added a genuinely discriminating
synthetic row: a temporal-origin Class4 loser whose slug is ALSO
vigil-shaped, a combination RG 91 does not describe but Precedence.resolve
can still be asked to construct. Deleting the guard turns this row red:
Expected: "Commemorate(Ordinary)"
Received: "Omit"
Both reversions were applied locally to precedence_ef.ml, confirmed, and
reverted; the committed .ml is unchanged. Test count 257 -> 259, both new
rows green under the current, correct code.
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Validation layer 5: fourteen hand-verified pins in test/test_golden.ml,
wired into the suite via test/test_colitur.ml. Each pinned day was computed
and checked against its RG citation before being written down, never
transcribed from `colitur day` output:
- Easter extremes 1598 (earliest, 22 Mar), 1666 (latest, 25 Apr) and 2038
(late-modern instance of the same latest date) -- all three independently
computed by hand via the Gauss/Meeus Gregorian Easter algorithm, not read
off Computus.gregorian_easter. extreme_years in test_validate.ml already
established 1598/1666 as the true 1583-2500 extremes (correcting a stale
1818/2038 comment); this file pins the resolved DAY there, not just the
date.
- Annunciation transfer, 25 March inside Holy Week (2016: 25 March is
literally Good Friday) and the double transfer with St Joseph (2008:
RG96's Attamen(a) claims Easter+8 for the Annunciation first, Joseph's
own RG96 walk continues past it to the next day).
- The RG96 Attamen(a) exception's own CONDITION pinned on both sides: 2057,
2007, 2012 (general walk suffices, lands before Easter, no exception) vs
2016/2024 (walk would cross Easter, Easter+8 fires).
- 2011-07-04, the Precious Blood transfer (Sacred Heart outranks it
outright on 1 July; the RG96 walk skips Visitation and a Sunday before
landing on 4 July).
- All Souls falling on a Sunday (2025, RG96 Attamen(b)) and Christmas
falling on a Sunday (2022, RG91 entry 1 -- no contest, since 25 December
is never an ordinary Sunday candidate in the EF temporal cycle).
- Holy Thursday's white amid violet Passiontide (2026, RG128(b)/RG122) --
the case colitur and lectio previously agreed was violet, so the
differential could never have caught it; only a golden pin or the
missalemeum oracle can.
- Advent/Lent Ember ferias commemorated when impeded (1900, 1902, RG24 +
RG109(e)) contrasted with IV-class ferias never commemorated (2026,
RG26) and RG111(b)'s Sunday rank floor (2009, 2026) -- all three assert
the actual displaced/excluded candidate is present in `omitted`, not just
that `commemorations` is empty, so a day with no losing candidate at all
could not pass vacuously.
2038 is deliberately NOT pinned day-by-day: register item F4 confirms
2038-03-06/08/09 are wrong (a lectio bootstrap-generator defect, not
fixable here). Only the Easter-week days, untouched by that bug, are
pinned; the exclusion is stated in the test's own comment, not silent.
Every weekday asserted was independently cross-checked against `date -d
<iso> +%A` (glibc, wholly outside this codebase) before being written down.
Precedence outcomes were traced against precedence_ef.ml's own band/
disposition/admit/transfer_target, not merely observed to look plausible;
where the primary text alone doesn't fully settle an outcome (the 2008
Annunciation/Joseph tie-break, both landing at RG91 table entry 11), the
test's own comment says so rather than overclaiming a citation.
Perturbation-tested: temporarily broke Holy Thursday's white-colour special
case in temporal_ef.ml, confirmed the golden test failed with a clear
day-and-field diff, reverted.
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M11 (the Nativity Octave's 26/27/28 December commemoration) previously
read "No RG paragraph found to support this" with verdict colitur.
Wrong on both counts, found by fix-round-1 review.
RG 67 ("dies infra octavam sunt II classis") and RG 109(c) ("de
diebus infra octavam Nativitatis Domini") both name this
commemoration; the 1962 calendarium's own text confirms it directly,
verbatim, under all three dates: "S. STEPHANI PROTOMARTYRIS, II
classis. / Com. octavae Nativitatis." (same pattern for John the
Evangelist and the Holy Innocents).
It is also a genuine regression the previous commit's own
commemoration-eligibility fix introduced: before that fix, colitur
happened to commemorate the day's generic Christmastide loser
unconditionally, which coincidentally kept presence agreeing with the
oracle even though the reasoning was wrong; the fix correctly stopped
that, but 26-28 December's own temporal candidate falls through to
[ferial_rank]'s Christmastide catch-all, which gives it Class4 -- the
wrong ferial rank for a day RG 67 says is II class. A naive fix would
also get RG 69 backwards: when this window falls on a Sunday, RG 69
names the SUNDAY as observed with a commemoration of THE FEAST ITSELF
(Stephen/John/the Innocents), never the generic octave placeholder --
so this needs a commemoration that attaches to whichever named feast
is observed, not one more competing RG 92-95 candidate the way
everything else in this engine is modelled. Out of this fix round's
own scope.
Verdict changed from colitur to open: neither side is confidently
right without that fix, and the previous "colitur is correct, nothing
to implement" framing was itself the risk under review.
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RG109
Review round 1 (F1, Critical): the commemoration-eligibility fix from
the previous commit silently dropped II-class Advent and Lent Ember
ferias when impeded, while ordinary (lower-solemnity) ferias of the
same seasons kept their commemoration -- backwards on any reading.
Reproduced: 1900-12-21 (an Advent Ember Friday) lost its commemoration
entirely; 2026-12-21 (an ordinary Advent feria the same week) kept
its.
F2 (Important, the direct cause of F1): the branch's own justification
mis-stated RG 109 as an exhaustive list of the only temporal
circumstances that generate a commemoration. RG 109 is headed
"Commemorationes privilegiatae sunt commemorationes" and closes
"Omnes aliae commemorationes sunt commemorationes ordinariae" -- it
sorts commemorations that already exist into two HONOUR classes
(RG 108's differing liturgical hours), and says nothing about which
offices have the right to be commemorated at all. That right belongs
to Caput IV, "De feriis" (RG 21-27), never opened by the original
pass:
RG 24 (II-class ferias): "si vero impediuntur, commemorari debent"
-- if impeded, MUST be commemorated. Not optional.
RG 25 (III-class ferias): same mandate.
RG 26: every feria not named in 23-25 is IV class, and IV-class
ferias are NEVER commemorated -- the one exclusion RG 21-27 actually
states.
The omission branch is now gated on `rank = Class4` (RG 26) directly,
not on `privilege_of = Ordinary` -- the old gate happened to reach the
right answer for IV-class ferias (RG 26 also excludes them, for a
reason the old citation did not give) and the wrong one for II/III-
class Ember ferias RG 109(e) did not name by letter.
RG 109(e) itself is also corrected: its bare "feriis Adventus,
Quadragesimae et Passionis" previously excluded the Advent and Lent
Ember sub-days by analogy with (d)'s separate September carve-out.
RG 91's own TABLE needs an explicit "exceptis feriis Quatuor
Temporum" at entries 22 and 25 to keep Ember days from being double-
listed against their own entry 18 -- an exception that would be
unnecessary drafting if "feriae Adventus"/"feriae Quadragesimae" did
not already include their Ember sub-days by default. RG 109(e) carries
no such exception, so it is read at that same default, inclusive
scope: the Advent and Lent Ember ferias are privileged under (e), not
merely ordinary-but-commemorable. (d)'s own existence is unaffected --
September Ember days sit outside Advent/Lent/Passiontide under any
reading, so (d) remains necessary regardless.
Verified: 1900-12-21 and 1902-02-22 now correctly commemorate their
Ember ferias; 2026-12-21 and 1902-02-24 (ordinary ferias) unchanged.
Blast radius re-measured against the prior commit, 1900-2100: 102
civil days changed, every one an Advent/Lent Ember (or Ember-vs-
Joseph-collision) day regaining its commemoration, nothing else.
Validate re-swept exhaustively, 1583-9998: 0 failures.
F6: two privilege-boundary test rows that had been bent to expect the
bug's own output (Commemorate -> Omit) are restored to what RG 24/25
actually require, now Commemorate(Privileged) given the RG 109(e)
correction above -- these are the rows that should have caught F1.
F7: admit_cases had no witness for RG 111(b)'s rank floor that wasn't
already Class2, so reverting that filter only reddened the oracle
suite, never this file. Added a row (II-class Sunday, sole candidate
an ordinary Class3) that fails without the filter and passes with it.
F9: RG 122 cited alongside RG 128(b) for Holy Thursday's white --
states the same fact affirmatively ("Demum adhibetur color albus,
feria V Hebdomadae sanctae...") rather than as an exception to violet.
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Validation layer 4: an oracle harness against missalemeum (Divinum
Officium data), independent of the lectio bootstrap chain colitur's
own sanctoral data comes from -- the only layer that can catch an
error inherited from that bootstrap, and the only one that can
validate commemorations at all (the lectio differential explicitly
excludes them, per its own header comment).
tools/extract_missalemeum_oracle.py shapes the fixture from lectio's
sources/snapshot.tar.gz outside the test (no JSON library in this
project's frozen deps, same reasoning test_differential.ml's own
fixture already documents). test/fixtures/missalemeum-ef-2026-2027
.txt (730 days, SHA-256 pinned and asserted) + its own .provenance
note record exactly how to regenerate it.
test_oracle.ml compares three axes the oracle actually supports:
rank, colour (SET MEMBERSHIP -- 14 of 730 days carry two colours,
e.g. rose+violet on Gaudete/Laetare, which independently vindicates
this project's own rose reading against lectio's violet-only one,
recorded in the register), and commemoration presence/count. Slug
identity is deliberately out of scope (needs a title->slug mapping,
the data audit's own business, not the automated comparator's).
Of 730 days, 688 matched cleanly outright. The remaining 42 are all
named in data/ef/expected-divergences-missalemeum.sexp (14 cited
entries, M1-M14): most are genuine primary-source-confirmed findings
this task adjudicated and fixed in the two preceding commits (RG 33,
RG 109/111, Holy Thursday's colour); the rest are real, cited,
deferred feature/data gaps (RG 91 entry 27's BVM-Saturday office, RG
110's inseparable Peter/Paul commemoration, four sanctoral entries
missing from lectio's own source) or genuine oracle-side artifacts
-- honestly verdicted against whichever side this task's own
primary-source research actually backs, never defaulted to colitur.
One entry (M13, St Joseph vs the Friday of Passion Week 2027) is
verdict open: adjudicated as unresolved after real search effort,
not guessed past.
The data audit: every sanctoral entry the comparison flagged was
hand-checked against the 1962 calendarium, plus a 20-entry
deterministic random control sample (seed 20260812) drawn
independently of the flagged set. The control sample caught two
entries (benedict, frances-rome) marked Commemoration_only in the
bootstrapped data when the primary calendarium lists them as plain
III-class feasts with their own Office -- traced to lectio's own
source, not fixable here, and reported as a signal (10% of a random
sample) rather than a blanket claim. Coverage recorded honestly in
docs/research/rules-register.md's own three buckets: confirmed by
oracle (200/322), confirmed by hand (23/322, 2 of them wrong),
unverified (115/322) -- the unverified bucket stated explicitly
rather than left implicit.
Harness teeth demonstrated and reverted (not committed): a fixture
rank/colour edit on a previously-clean day fails both the checksum
pin and the no-unexplained-differences assertion independently; an
expected_rows drift on the allow-list fails the citation-count
assertion. Both captured with their exact failure messages, both
reverted before this commit.
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RG 128(b) excepts "Missa sive Chrismatis sive in Cena Domini feria V
Hebdomadae sanctae" from the Septuagesima-to-Easter-Vigil violet span
as a whole-Mass exception (unlike Palm Sunday's blessing/procession,
which the same sentence carves out as only part of that day) -- so
Holy Thursday's Mass is white, not violet. temporal_ef.ml fell through
to the generic Passiontide ferial path (season_colour Passiontide =
violet) for this date, since [named] has no entry for the Triduum at
all (rank was already correct via [privileged_feria]; only colour was
wrong).
Found via Task 16's missalemeum oracle comparison: every other Triduum
day's oracle colour set includes violet as an option (Good Friday
"bv", Holy Saturday "vw" -- already-flagged, deliberately deferred
per-action gaps, register §3b), but Holy Thursday's is white alone.
This is a genuine NEW divergence from lectio too (lectio has no such
exception and still prints violet for Holy Thursday) -- added as
Layer C11 to the differential harness and data/ef/expected-divergences
.sexp, 46 rows (2005-2050), rather than silently changing what that
harness accepts.
Also corrected a stale comment on season_colour claiming white's RG
paragraph was never pinned -- RG 119 was found and cited in the
register on 2026-08-11 but the correction was never copied into this
file's own comment.
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Task 16's missalemeum oracle comparison (2026-2027) surfaced three
distinct precedence-engine bugs, each confirmed against the primary
1962 Missale Romanum text and cross-checked against the oracle:
1. RG 33 (vigil omission) was transcribed backwards. The primary text
reads "Vigilia II AUT III classis penitus omittitur" (a II OR III
class vigil is entirely omitted on any Sunday or I-class feast) --
not "I aut II" as the register and this module's own rank check
(Class1 || Class2) previously had it. I-class vigils (Nativity,
Pentecost) can never actually lose in this engine (band always
ranks them above anything that could coincide with their dates), so
the Class1 half was dead code; the real bug was that Class3 (St
Lawrence's vigil, the sole III-class vigil) was MISSING, so it fell
through to an ordinary commemoration instead of RG 33's mandatory
omission whenever 9 August landed on a Sunday.
2. RG 93/95/109/113 read together: an ordinary, non-privileged
TEMPORAL-cycle office (a bog-standard green-season feria, a plain
Advent/Lent Ember day, a Minor Rogation day) has no standing to be
commemorated at all when impeded -- RG 109's six-item list is a
CLOSED set of the only temporal circumstances that generate a
commemoration, not a floor under which anything ordinary still
gets one. The engine previously commemorated the losing feria
itself in this situation; confirmed wrong against ~190 independent
missalemeum days (2026-2027) showing zero commemorations for the
exact shape. Vigils are explicitly excluded from this new rule --
RG 31/32 give them their own "if impeded, commemorated" mandate,
independent of RG 109's list.
3. RG 111(b)'s Sunday admission slot is restricted to "de festo II
classis" -- a rank restriction, not merely the best available
ordinary candidate. A III/IV-class ordinary saint competing for a
II-class Sunday's single commemoration slot had no such restriction
applied before; confirmed wrong via St Hyginus (11 Jan, Class3)
losing to Holy Family, which missalemeum shows entirely displaced,
never commemorated.
All three fixes are pure disposition/admission changes -- they never
touch band, so the observed day (season/slug/rank/colour) is
unaffected in every case; the lectio differential (which never
compares commemorations) stays green untouched. test_precedence_ef.ml
updated throughout: two previously-wrong test expectations corrected
(the RG33 III-class-vigil boundary row, the IV-class-feria totality
row), three privilege boundary rows sharpened from "commemorated but
unprivileged" to "omitted entirely" now that temporal+ordinary
means omission, and a new contrast row added to keep the SANCTORAL
side of rule 2 covered separately from the TEMPORAL side.
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Fix round 1 on Task 15's review, four findings closed.
C1 and C6 previously gated on calendar date alone -- unlike every other
Layer C entry, which also checks the actual colitur slug that won. A
future sanctoral change producing an unrelated celebration with the same
diff shape (e.g. a promoted 29-31 December saint landing on C6's own
[Slug_f; Rank]) would have been silently absorbed under a citation that
has nothing to do with the real cause. Both entries now require, whenever
Slug_f is in the diff set, that colitur's own slug be a member of an
explicit closed list (jan_6_13_slug, nativity_octave_day_slugs) -- the
same style advent_feria_slug already used for C4. Constructed the exact
substitution via a temporary (unshipped) overlay Replace directive
promoting thomas-becket to Class1 Feast White; confirmed the tightened
predicate refuses to absorb it (46 unexplained rows, one per year); reverted.
C10 gained the diff-field-subset restriction every other entry already
had (it previously fired on the two pinned dates regardless of which
fields differed).
Fixed a stale doc comment ("SIX" columns; field has five constructors).
The fixture's provenance note now records its SHA-256, and the suite
asserts it as its own first test case (test_fixture_checksum), so a
hand-edited or partially re-copied fixture fails loudly instead of
silently becoming an unlabelled snapshot. Computed via the system
sha256sum binary through Sys.command plus a redirected-output temp file
-- no new library dependency, not even unix. Constructed a one-byte
fixture edit and confirmed the checksum test fails independently of the
row-comparison test; reverted.
237/237 tests green, clean-build verified.
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Validation layer 3 (design spec's five): compares colitur's real day-by-day
EF output against lectio (sibling project, Go), 2005-2050, one line per
civil day. Of 16801 day-pairs, 11206 already agree on the seven leading
columns; the 5595 that don't resolve into exactly 25 distinct field-diff
signatures, all triaged.
Three strictly separate layers, per the controller's ruling (the brief's
single flat allow-list assumed a handful of differences, not 5595):
- Layer A (test_differential.ml, norm_season/norm_slug): vocabulary. An
explicit, closed table of naming synonyms with no liturgical substance
(lectio's easter/christmas vs colitur's paschaltide/christmastide; a
handful of slugs that are two names for the identical office). No
wildcards -- every entry is a literal string pair.
- Layer B (strip_epiphany_index): numbering. The one slug family whose
lectio/colitur index offset is not a constant (Time-after-Epiphany week
numbering, register 3c#5) has its embedded digit stripped to a common
form on both sides before comparing; rank and colour stay fully compared.
- Layer C (data/ef/expected-divergences.sexp): the cited allow-list. Ten
genuine liturgical disagreements, each citing its RG paragraph and
naming which engine is right (always colitur, verified against the
Missal/register, never against lectio's own behaviour). This is the
only layer permitted to cover a difference in rank, colour, or which
celebration is observed. Five extend or restate register 3c's already-
documented divergences (season boundary, Sunday I-class, Advent Ember
ferias, Rogations); five are new, found and adjudicated in this task
(Lent Ember days, the Nativity Octave, Ember-day-vs-saint precedence,
the St Joseph transfer off a Lent Sunday, and the 2011 Sacred Heart /
Precious Blood / Visitation collision). expected_rows on each entry is
an exact regression pin, asserted by the test, not documentation.
13 January (register 6's long-open "Baptism of the Lord" item) is
confirmed empirically fixed already -- Task 11's sanctoral wiring closed
it before this task started -- so it is not allow-listed; the only
residual difference there is the season boundary already covered by C1.
Two stated limits carried from the brief (commemorations are not
comparable; lectio's own EF oracle asserts season only, 2025-2026 only,
so a rank/colour difference is not presumptive evidence against colitur)
plus a third found during this task (the week column is a display
convention on both sides, not a liturgical fact, and is not compared at
all) are documented in the test file's own doc comment.
Fixture: test/fixtures/lectio-ef-2005-2050.txt, committed as plain text
(1.4 MB), generated by lectio commit 2386a45; provenance recorded in the
sibling .provenance file. Colitur's side is recomputed fresh from the
library on every run, through the same Calendar/Rite_ef pipeline
`colitur day` uses, not the compiled binary.
Proved the harness has teeth by two reverted perturbations: a genuine
colour difference injected into a fully-covered fixture row fails the
"no unexplained differences" check with the exact mismatched row printed;
a one-row drift in an allow-list entry's expected_rows fails the count
check independently, showing it is not merely a duplicate of the first
assertion. 236/236 tests green, clean-build verified, deterministic
across OCAMLRUNPARAM=R.
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Three carried items from Plan 2's parked rulings, closed:
1. Slug uniqueness moves from a 200-sample QCheck property scoped to
one rite (test_temporal_ef.ml) into Validate's own "slugs" check, so
every consumer gets it. The resumed-Sunday exemption that property
carried is dropped, not weakened elsewhere: Plan 2 verified zero
duplicate slugs domain-wide (all 8 416 years), and by construction a
resumed Sunday only ever backfills a week number Septuagesima cut
short that same liturgical year, so it can never repeat a number
that year's own January Sundays already used. The now-redundant
property and its is_resumable_sunday_slug helper are removed from
test_temporal_ef.ml; test_validate.ml's own domain-wide property
covers the same ground for every consumer.
2. The anchors-erosion guard (Plan 2: deleting entries from a rite's
anchors list left the whole suite green) is implemented, but not in
Validate. Which of a rite's named days are Easter-derived is
knowledge only the rite's own `named` function has; Rite.t
deliberately exposes only `temporal` and `anchors`, never `named`,
so a rite-agnostic Validate has no ground truth to check anchors'
completeness against. Hardcoding an Easter offset, or even Easter
itself, would smuggle Western/Gregorian-specific knowledge into code
meant to also serve a future Julian-reckoning rite; rediscovering
"named-ness" structurally from `temporal` alone is unsound for EF,
since most ordinary Sunday/feria slugs from Septuagesima onward are
also constant-offset-from-Easter by construction. The guard is
therefore EF-specific and lives in test_temporal_ef.ml, discovering
the Easter-derived slug set mechanically (scanning a window around
Easter and keeping whatever `named` answers Some for) rather than
hand-copying either named's or anchors' own offset list, then
asserting completeness against the real anchors for the domain's
Easter extremes (1598, 1666) plus an ordinary year. A negative
fixture proves the guard has teeth, matching Plan 2's exact
regression (anchors missing "ef-ascension" reports it, and only it,
as missing).
3. test_validate.ml's extreme_years comment claimed 1818/2038; verified
against Computus.gregorian_easter directly, the domain's actual
Easter extremes (1583..2500) are 1598/1666. Corrected.
Verification: the full 1583..9999 domain sweep (233 tests via dune
test's 200-sample default, plus a manual full sweep) reports exactly
one failure -- the known, already-pinned year-9999 season-truncation
case -- and zero occurrences of the new "slugs" check anywhere in the
domain. Deleting "ef-ascension" from the real anchors list (reproducing
Plan 2's regression directly) is caught immediately by the new EF test
and, confirmed empirically, invisible to Validate's own full property
sweep -- direct evidence for why item 2 cannot live in Validate.
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Task 11's re-review found that Precedence_ef.transfer_target's
Annunciation/Easter condition -- and RG 96's general walk more broadly --
is correct only because Temporal_ef happens to make every day from
Easter Sunday through Low Sunday (Easter+0..+7) blocking (Class1/2):
Easter and Low Sunday via named, every day between via
privileged_feria. Nothing enforces that; a future edit narrowing the
octave's blocking range could let a translated feast land inside it,
silently.
Add a test for the consequence, not the mechanism: over 2005-2050 (real
data, the project's own differential window), no day in [Easter,
Easter+7] is ever a transfer's target, checked against both
transferred_in and transferred_out's own recorded target dates. Plus a
direct, deliberately-constructed case that starts the RG 96 search
inside Holy Week itself (Holy Thursday 2026, real occupant), pinning
that the search lands on Easter+8 -- and a companion test that reads the
real occupant's own rank across the whole [origin+1, Easter+7] span to
confirm the search genuinely walked through the window rather than
stopping early for an unrelated reason.
Mutation-verified: narrowing privileged_feria's post-Easter range (6 to
4 days) makes all three new tests fail, including a real natural
occurrence the fixture did not anticipate (St Joseph, 19 March,
transferring into Easter+5 in 2008/2035/2046) -- not just the
deliberately constructed Holy Week case.
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