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<title>colitur.git/tools/extract_fiuv_ordo.ml, branch v1.0.0</title>
<subtitle>deterministic OCaml engine to compute and validate liturgical calendars for multiple rites, template-driven output to year 9999</subtitle>
<id>https://git.labunix.xyz/colitur.git/atom?h=v1.0.0</id>
<link rel='self' href='https://git.labunix.xyz/colitur.git/atom?h=v1.0.0'/>
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<updated>2026-08-22T16:46:27Z</updated>
<entry>
<title>fix(ordo): correct L5/F3 misadjudication -- Cum Sanctissima, not a gap</title>
<updated>2026-08-22T16:46:27Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-22T16:46:27Z</published>
<link rel='alternate' type='text/html' href='https://git.labunix.xyz/colitur.git/commit/?id=e5e304c4004089ea75ea472ebd56414197a4190f'/>
<id>urn:sha1:e5e304c4004089ea75ea472ebd56414197a4190f</id>
<content type='text'>
data/ef/expected-divergences-lms.sexp's L5 (16 dates, LMS Ordo Gloria=true
vs colitur's false) and data/ef/expected-divergences-fiuv.sexp's F3 (6
dates, FIUV Te Deum=true vs colitur's false) were both misadjudicated as
colitur's own gap under an RG 302(b)/431(b) hypothesis. Both are wrong.

These are occurrence differences from the 2020 decree Cum Sanctissima,
which colitur excludes from its 1962 core by binding design (CLAUDE.md
decision 2). RG 303(b) ("dici potest tantum si occurrit dies liturgicus IV
classis") already prohibits 302(b) on the Class3 privileged ferias both
entries cover -- the original text quoted 303(b) but never followed it to
its conclusion. Decisively, the FIUV Ordo prints BOTH readings on the six
shared dates, separated by a literal "-VEL-" token: the primary, strict-
1962 reading (feria wins, sine Gloria, no Te Deum) matches colitur exactly;
the second, Cum-Sanctissima reading (saint kept, Gloria, Te Deum) matches
the LMS Ordo exactly.

F3 itself was never a real Te Deum finding: tools/extract_fiuv_ordo.ml's
extract_te_deum scanned each block unbounded for "Ad Mat.", so on these six
days -- whose primary office states no "Ad Mat." of its own -- it silently
read the second office's own Te Deum instead. Fixed with a new
split_at_alt_office, cutting every block at "-VEL-" before any field
extraction runs; the alternative is captured, not discarded, in a new
alt_te_deum field. A hard characterisation probe asserts the split fires on
exactly the six known dates.

Auditing for the same trap elsewhere (this is the third such manufactured
divergence in this project) found a related but narrower marker, "Vel (sec.
decretum &lt;&lt;Cum sanct.&gt;&gt;) Missa ...", offering an alternate Mass formulary
within a single office. It never corrupted Gloria/Credo (always stated
before the marker on all 20 real instances, confirmed by diff), only the
uncompared praef field; hardened defensively anyway, before it could ever
fire live. The LMS Ordo (all three editions) carries no equivalent
dual-print mechanism at all. expected-divergences-missalemeum.sexp's M27
is the same genus but was already correctly adjudicated, not touched.

Both allow-list entries are rewritten, not deleted: the original SHAPE/
CITATION/WHY-NOT-FIXED-HERE reasoning is preserved verbatim as a recorded,
superseded hypothesis, matching this project's own correction convention.
test_lms_ordo.ml's matching predicate is unchanged (the 16-date population
still fires, and always will, because it reflects a standing exclusion,
not a bug); only its citation comment is corrected. test_fiuv_ordo.ml's
F3-specific predicate/count assertion is removed, matching this file's own
prior F2/F4 closure discipline.

lib/ is untouched. dune test: 676/676. make check
(COLITUR_EXHAUSTIVE_SWEEP=1, full 1583-9999 domain): 678/678.
</content>
</entry>
<entry>
<title>feat(ef): the Gloria in excelsis, RG 431-432, deferring to Breviary 237-238</title>
<updated>2026-08-22T15:56:42Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-22T15:56:42Z</published>
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<id>urn:sha1:f4cc032d7e812d716ff6b5df8192f79a2560e8f0</id>
<content type='text'>
Phase 2 of celebrant-rubrics-phase1: colitur rubrics gains a fifth
column, whether the Gloria is said. Follows the Creed's own seam
exactly -- Rite.t.gloria, Liturgical_day.t.gloria, wired through
calendar.ml the same way.

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

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

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

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

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

671 tests green (dune test); 678 with the exhaustive sweep
(COLITUR_EXHAUSTIVE_SWEEP=1 dune test --force, ~104s).
</content>
</entry>
<entry>
<title>test(fiuv-ordo): add the FIUV universal Ordo as a second, independent witness</title>
<updated>2026-08-22T13:11:43Z</updated>
<author>
<name>Lukasz Kasprzak</name>
<email>lukas@labunix.xyz</email>
</author>
<published>2026-08-22T13:11:43Z</published>
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<id>urn:sha1:96aed1b6f04ef89e8f3d18af8b13e6fd30dbd4d2</id>
<content type='text'>
Wires in the FIUV (Foederatio Internationalis Una Voce) Ordo for
2025-2026 as validation layer seven -- the first UNIVERSAL (not
diocesan) source in this project, and the first compiled by someone
other than the LMS editions' own Peter Day-Milne (Joseph Shaw, FIUV
President).

tools/extract_fiuv_ordo.ml hand-parses pdftotext's -layout dump of the
Latin-language ordo (no Str/regex, frozen deps). Three real parsing
traps were found and fixed by tracing actual false results against the
raw source, not assumed in advance:

- "Gloria" is also the first word of "Gloria Patri" (the psalm
  doxology), which can appear INSIDE the very Mass clause being scanned
  (Good Friday: "...omittuntur ps. Iudica me et Gloria Patri), Gloria,
  sine Credo..."). Guarded by rejecting any "Gloria" hit whose next
  token is "Patri".
- Christmas Day's own rubric uses the PLURAL "Missae"/"Missae" ("tres
  Missae celebrantur..."), never the singular "Missa" every other real
  day anchors on -- silently produced gloria=None/credo=None on the one
  most doctrinally unambiguous day in the calendar until traced and
  fixed, guarded in turn against "Missae defunctorum" (an unrelated
  Requiem-prohibition notice appearing at the end of many day-blocks).
- The Vespers boundary (bounding the primary Mass option before a
  second "Vel Missa" alternative or before Vespers information) missed
  the ligature spelling "VESPERÆ", the dominant form in this source,
  letting a whole day's trailing prose leak into the captured [praef]
  field on the task brief's own worked example day (19 September).

A distinct second stop-marker bug: the malformed trailing entry this
source shares structurally with the LMS PDFs (a stray, mislabelled
duplicate of 1 January) was initially over-matched by a generic
"first token is 4 digits" heuristic, which false-positived on an
indulgence-decree date citation wrapped mid-sentence in October
("...20 augusti / 1885, 26 augusti 1886..."), truncating the extraction
to 308 of 400 real days. Fixed by anchoring on the tail entry's own
distinctive "1st Jan" opening instead.

Five opposite-prediction Creed probes are re-verified by the tool
itself against its own extracted rows (a failed probe is a hard exit,
not a printed claim) before the fixture is written.

test/test_fiuv_ordo.ml compares the Creed against colitur across all
399 comparable days (Holy Saturday excluded, no Mass that day) --
CLEAN, zero unexplained divergences, a genuine second confirmation of
{!Rite_ef.Rubrics_ef.creed} independent of the LMS lineage. [praef],
[te_deum] and [class_] (including the FIUV ordo's own "III cl." vs
"III cl. (Priv.)" Cum Sanctissima convention, stated on its title
page) are captured into the fixture but deliberately not compared --
colitur has no Gloria/preface predicate yet, and its default
configuration models no Cum Sanctissima overlay to compare the class
convention against.

All 634 tests green (dune test), 635 with the exhaustive sweep and
make check. No lib/ file touched.

Claude-Session: https://claude.ai/code/session_017ZBxCCRM2ojnBupp3SBxV9
</content>
</entry>
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