docs(layout): approve the inline box decoration umbrella plan (#11-line-box-decorated-inline-content) by send · Pull Request #515 · send/elidex

send · 2026-09-07T10:49:37Z

Approval artefact — the umbrella plan-memo for slot #11-line-box-decorated-inline-content (a decorated empty or whitespace-only inline such as   vanishes, because inline box decoration is unimplemented engine-wide — assign_inline_layout_boxes hard-codes EdgeSizes::default() and the packer never advances for an inline box's edges).

What lands

Exactly one file: docs/plans/2026-08-line-box-decorated-inline-content.md (rev 35, f223db8f on the authoring branch layout-decorated-inline), on a branch cut from origin/main — the memo's own §8 DoD for this PR ("its diff against origin/main is exactly one file"), verified: git diff --stat origin/main...HEAD → the memo alone, and the pushed blob is byte-identical to rev 35.

⚠ What changed since this PR was opened at rev 27

This PR's own external review returned three P2 design findings, two of which changed an M1 Decision and a §6 cell — which, by the memo's own rule, reset the TERMINAL that had been reached at round 21 and returned the PR to draft. Since then: plan-review rounds 22–26 (five axes each), two exhaustive audits (every §6 cell, every §5.1 M-row — 23 findings), and six Step 4.5 gates. §6 grew 45 → 49 cells.

Two of those rounds found design defects worth naming, both of which would otherwise have reached implementation:

round 25 — a per-line flag raised by a shared function that every caller sets, so the branch it guarded could never run: dead code.
round 26 — the soft-wrap guard specified as state == Content, while another mechanism added a state above Content in the same ordered enum. After the final PR the guard would read false on exactly the lines that must wrap. Both readers are now order tests and the encoding is closed to a fourth variant; new §6 cell 15d pins it, verified to discriminate by building the packer and probing the window.

Why now — the approval basis is a design freeze, not a renewed TERMINAL

rev 35 retires the two-clean-rounds terminator rather than satisfying it, and freezes §5.1's eight mechanism Decision columns and §6's 49 cells at rev 34 (9a17506d). The grounds are in the memo's Terminator section, measured rather than asserted:

The loop was generating its own resets. Classified by origin, every reset after round 21 was noise or a defect the previous revision's own fix had just introduced — round 23 = two wording fixes; round 24 = one file:line inside text the previous revision had written; round 25 = a defect introduced by rev 32; round 26 = a defect introduced by rev 33, the fix for round 25; rev 34's gate = a defect in rev 34. Three consecutive self-introduced resets.
The rule keyed on a growing surface. wc -m: 152,152 (round 18) → 363,770 (rev 34), the last two increments +38k and +46.5k. Requiring zero cell-changing findings from a 49-cell matrix gaining ~40k characters of argued prose per round is a fixed-point search over an input growing ~15% per iteration.
Decisive: detector mismatch. Both remaining CRITs were code-level predicate defects — the class cargo test catches at implementation. This crate already carries five multi-line assertions (inline/tests/inline_flow/{persist,vertical,transform,justify}.rs) that a never-firing guard turns red on the first run; round 26's own Axis 2 said so and offered to downgrade its finding to IMP on that ground.

Residual risk — cross-mechanism code-level consistency — is discharged by the per-PR test suites, not by further review of this document. A single narrow §5.1+§6 consistency pass returned clean (all eight mechanisms against each other and all 49 cells; reader sets verified by enumeration, not asserted: on_line 2 readers, any_rendered_content 1, flush_line 3 call sites, place_item 2). The one real gap its disclosed coverage limit exposed — cell 19, a PR-1d cell carrying no assertion, and a <pre>\n</pre> case attributed to clause 5 when the engine never reaches force_break for it — is fixed in rev 35.

Discipline from here, recorded in the memo: a code-level predicate defect gets one required-test line on the owning §6 cell, not a prose rewrite; no new inline withdrawal blocks; no further whole-umbrella review — each PR gets a narrow plan-review of its own slice plus the normal gates.

Program state the memo records

Two elidex-layout-block prereqs landed: refactor(layout): split the IFC flow reconcile out of inline/mod.rs (seam 3) #508 (seam-3 split, 7e256029) and refactor(layout): delete the IFC packer's unreachable non-persist commit arm #511 (dead-arm deletion, 22de3078).
Remaining: the tooling PR (two plan-checker tools + the SKILL.md standing note, §9's task, its own plan-review), the predicate prereq PR (approval-independent, its own plan-review — now the canonical inline box predicate, with the four client* members and M1's emit test as its first consumers), then PR-1a → 1b → 1c → 1d.
Slot ledger actions this landing makes true are the §10 rows tagged approval PR.

Gates

Docs-only: cargo stages unaffected (CI path filter); mise run trip-wires pass. plan-xcheck.py → 0 contradictions (49/49 cells defined and routed, 8 M-rows, 4 PRs, §3 K=12/M=38). preflight.py → rc 0, 7 soft warns, set unchanged across the revision (parsed citations: 0 is the known CSS-label gap owned by #11-preflight-css-module-labels; §-numbers are verified with webref). Table uniformity: 10 tables, 0 irregular.

🤖 Generated with Claude Code

…ne-box-decorated-inline-content) Approval artefact of the umbrella plan-memo for slot #11-line-box-decorated-inline-content: a decorated empty or whitespace-only inline (` `) vanishes because inline box decoration is unimplemented engine-wide. The memo went through 21 five-axis plan-review rounds on branch layout-decorated-inline and reached its own Terminator at round 21 (two consecutive rounds with no finding touching a §5.1 M-row Decision cell or a §6 cell; 0 CRIT in rounds 19–21). Per §8 it lands alone, cut from origin/main with the memo checked out from the authoring branch (`git checkout layout-decorated-inline -- <memo>`), so its diff is exactly one file; the program's two landed prereqs (#508 seam-3 split, #511 dead-arm deletion) are recorded in §5.2/§8, the plan-checker tooling ships in its own PR (§9), and the crate PRs (predicate prereq, PR-1a..1d) follow §8's order, each under its own plan-review. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

chatgpt-codex-connector · 2026-09-07T10:49:51Z

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-26T10:24:38.417360Z	`8e34da4`	Manual request

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send · 2026-09-07T10:50:09Z

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Brings the approval PR's copy of the memo up from rev 27 to rev 35 (`f223db8f` on `layout-decorated-inline`), which is what this PR now asks to approve. Diff against `main` stays one file. Since rev 27 the plan absorbed the three P2 findings this PR's own external review returned (which reset the then-TERMINAL), plan-review rounds 22-26, two exhaustive audits of every §6 cell and every §5.1 M-row, and four Step 4.5 gates. The two design defects worth naming: - round 25: a per-line flag raised by a shared function every caller sets, so the branch it guarded could never run -- dead code. - round 26: the soft-wrap guard specified as `state == Content` while another mechanism added a state above `Content` in the same ordered enum, so after the final PR the guard would read false on exactly the lines that must wrap. rev 35 then RETIRES the two-clean-rounds terminator rather than satisfying it, and freezes §5.1's eight Decision columns and §6's 49 cells at rev 34. The grounds are in the memo's Terminator section: classified by origin, every counter reset after round 21 was noise or a defect the previous revision's own fix had introduced (three consecutive); the rule keyed on a surface growing ~40k chars per round; and both remaining CRITs were code-level predicate defects, the class `cargo test` catches at implementation -- this crate carries five multi-line assertions that a never-firing guard turns red immediately. Approval basis is therefore the freeze declaration, not a renewed TERMINAL. Residual risk (cross-mechanism code-level consistency) is discharged by the per-PR test suites. A single narrow §5.1+§6 consistency pass returned clean, with reader sets verified by enumeration; the one real gap its disclosed coverage limit exposed -- cell 19, a PR-1d cell with no assertion -- is filled. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

send · 2026-09-20T08:51:11Z

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chatgpt-codex-connector · 2026-09-20T08:54:56Z

Codex Review: Didn't find any major issues. Already looking forward to the next diff.

Reviewed commit: d443953c39

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send · 2026-09-20T08:56:50Z

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Brings this PR's copy up from rev 35 to rev 36 (`75de2679` on `layout-decorated-inline`) — Codex R2's four P2 findings applied, and the design freeze amended to record that the external channel amended it. Diff against `main` stays one file. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

send · 2026-09-20T09:41:48Z

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Codex R3's single P2 applied and swept to its class: cells whose expected result needs a second line must obtain it from a genuine soft-wrap opportunity, never from an inline-box boundary. Diff against `main` stays one file. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

send · 2026-09-20T10:07:32Z

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Codex R4's three findings applied, including a P1: cell 13(c) asserted a painted background/border that no code path produces for a static inline. Diff against `main` stays one file. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

send · 2026-09-21T01:29:42Z

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…he property sweep Three inputs applied as one forward revision (converge option A: step back and collapse, rather than patch a third instance). CODEX R5 (2 P2). Cell 21(b) depended on the boundary-wrap bug -- find_break_opportunities("aaaa ") is EMPTY, so no width licenses a second line; the packer flushes at offset 4 because the space item has trimmed_width 0, and the whitespace-only line is then DISCARDED, which is why it never read as a "second line" cell. The arm is withdrawn to #11-inline-item-boundary-soft-wrap (re-fixturing is impossible, and that was measured). M6/M7's open-box strut across a flush is recorded. PROPERTY SWEEP. The R3 sweep defined its population by cell TEXT ("two lines", "line N+1") -- the symptom vocabulary -- and examined 5 cells. 39 carry a markup. Re-run by property (realised break offsets vs find_break_opportunities over the concatenated text, plus a discarded-line detector, which is what the first formulation missed): 21(b) boundary-dependent, 15c bi-regime with the flip at measure_width("aaaab"), everything else sound. The structural fix is not a third patch: 23 markups contain an item boundary and only 9 state a width, so 14 cells become bug-pinning if implemented narrow. 8's PR-1b DoD now carries a SUITE-LEVEL invariant -- every fixture's realised break set must be a subset of the licensed set plus forced breaks, discarded lines included. CUMULATIVE DESIGN RE-GATE over revs 35-38 (2 CRIT / 8 IMP / 10 MIN). Cell 3b was falsified by R2 and never touched (byte-identical at all four revisions): R2 moved cell 16's space inside the box and made the hang gate side-specific, so 3b's "hang is zeroed" is now true of its quoted markup and false of the live one. 7's hang bullet still stated the whole-box rule -- and 8's detector for it greps the IDENTIFIER, so it could not see the PHRASE. Both fixed, the detector redefined by the property. Also: M7's "none of the slot's disjuncts can fire" is falsified by R2's own widening (facet (d) IS strut composition, as 8 already conceded); 8's "only writer of the five line-state fields" contradicts 4 and M3 itself; M4 owns facet (b) and named neither it nor cell 13b. TWO HAND-COMPUTED FIGURES WERE WRONG, which is the discipline's own argument: cell 13b's 14px (css-inline-3 5.3 says layout bounds "need not correspond to the box's edges" and 6.4 says line-height has no impact on an inline box's size) and 24d's 41.201 (omits the 's root inline box strut). Both DELETED rather than recomputed -- 6.4 says of `normal` "this specification does not specify how", and the root-inline-box line gap is a MAY, so neither has a determinate spec value. The cells state relations instead. FREEZE DISCIPLINES IMPLEMENTED, not restated. The acceptance ledger rule 2 routes to did not exist (the string occurred once, inside the rule); created it (A1-A17) and moved the six rejected positions plus eleven inline "until R4" markers into it -- rule 2 had been satisfied by vocabulary while the same records accreted under a synonym. Removed the retired terminator's round-19-26 ledger and the freeze's self-measurement paragraphs (139 lines, ~13.2k), which were the memo's purest instance of "a plan memo carries no self-measuring apparatus" -- and where the memo's own rev-34 figure was wrong (says 363,770, measures 365,567) because writing the figure into rev 34 changed rev 34. The conclusions survive as prose; the figures are gone. Rescued from the deleted region: "Landing state is written in 5.2, never into a Decision cell" existed only there. Fixed a live contradiction: 8 said #515 waits for a renewed TERMINAL, which freeze rule 4 denies. 5.3 collision sweep: the front matter's bare-section list omitted 5.3 -- both this memo's Program slicing and its most-cited spec section. 158 tokens, 112 bare, 13 of them meaning the spec; all qualified, list extended, and "Three carve-outs" corrected to four above four numbered items. wc -m 422,582 -> 438,779. plan-xcheck 0 contradictions (53/53 cells, K=12/M=41), preflight rc 0, 9 tables uniform, suite 325 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

Codex R5, the cumulative design re-gate over revs 35-38 (2 CRIT / 8 IMP), and a property-based sweep of every markup-bearing cell. Diff against `main` stays one file. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

send · 2026-09-21T03:14:08Z

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Three of R6's four findings were defects in rev 39's own suite-level invariant, which had never been executed against the corpus. Diff against `main` stays one file. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

send · 2026-09-21T04:05:31Z

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Includes an audit of all 17 findings this PR has raised: 16 applied, 1 that had been reported applied but was not. Diff against `main` stays one file. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

send · 2026-09-21T04:43:01Z

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Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

send · 2026-09-26T06:10:10Z

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send · 2026-09-26T06:30:31Z

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send · 2026-09-26T07:14:03Z

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chatgpt-codex-connector · 2026-09-26T07:18:05Z

Codex Review: Didn't find any major issues. Bravo.

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send · 2026-09-26T07:21:10Z

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…ation of revs 72-77) Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

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send · 2026-09-26T08:49:39Z

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… resolved R47-F1 (P1): §5.3's PR-1b outcome said the box moves whole to the next line; an opportunity inside the box splits it instead. The outcome is now break-only and the box's fate is derived from the opportunity's position. Cell 15g gains arm (b) (internal opportunity); 15f/§8 windows restated in the packer's segment sum; §3 css-inline-3 §2.1 row states what its ✗ covers. Ledger A122. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

send · 2026-09-26T09:15:40Z

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chatgpt-codex-connector · 2026-09-26T09:18:53Z

Codex Review: Didn't find any major issues. Chef's kiss.

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send · 2026-09-26T09:20:35Z

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…s + attestation resolved The §5.3 PR-1b end-edge outcome drew findings in R45/R46/R47/R49, so this is a pause round, not a per-finding patch. Root: rev 78 added a new opportunity consumer (an end-edge lookback) without enumerating what it consumes. There is no separate lookback: after the item-boundary prereq a content item is tested against the unit up to the next licensed opportunity from the canonical API (A110/A112/A37), and PR-1b only adds every edge inside the unit to its width. The unit's edge matrix is enumerated once (16 rows); cell 15g gains arms (c)-(h) incl. R49-F2 (cumulative end edges) and R49-F3 (nowrap/pre end edge), new cell 25h pins R49-F1 (edges across a forced break in both intrinsic sizes). Attestation defects of rev 80 fixed. Ledger A123. No frozen column amended. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

send · 2026-09-26T09:49:36Z

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…correction of 15g's per-arm layer Findings on the §5.3 PR-1b end-edge outcome went 1 -> 6 -> 11 over R47/R49/R50 (with attestations), all on text the fixing revision wrote. The generating layer was per-arm characterization of PR-1b's unit evaluation (cell 15g arms (c),(d),(f),(g),(h) and the 16-row matrix), which A116 already assigned to PR-1b's mandatory plan-review. That layer is removed: the outcome stays, restated as properties of the committed line (O1 licensed break from the one canonical source, O2 per-line extent with signed edges incl. marker-only boxes, O3 the 17c exemption), and the evaluation's defects are handed to PR-1b's plan-review as a seed list. Kept cells: 15g(a)/(b)/(e), 25h. R50-F1 (negative edge) recorded as no cell: its wrong layouts conform line by line and a cell would pin greedy fill. R50-F2 (marker-only box) is O2 + seed 6. Rev-81 attestation items fixed. Ledger A124. No frozen column touched. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

send · 2026-09-26T10:18:16Z

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chatgpt-codex-connector · 2026-09-26T10:24:31Z

+(R22): it is the per-line loop that **collects** the line's `Text` runs and its atomics into two
+buckets — it calls nothing in `elidex-shaping`. The `rustybuzz` call is reached from
+`emit_flow_text_run` (`builder/inli


Break overlong units at later opportunities

When an unsplittable prefix is already wider than the available width, this exception permits skipping a later licensed break merely because the break cannot make the first line fit. For example, with verylongword c and W below the decorated word's width, breaking after the space leaves the first line overfull but moves c to a fitting second line, whereas committing everything increases the overflow. CSS Text 3 §5 requires wrapping at an available soft opportunity to minimize overflow, not only when wrapping eliminates it; the current 15g arms all ensure the moved unit fits and therefore do not reject this outcome. Require a break that reduces overflow and add an overlong-prefix assertion.

AGENTS.md reference: AGENTS.md:L18-L22

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chatgpt-codex-connector · 2026-09-26T10:24:31Z

+(R22): it is the per-line loop that **collects** the line's `Text` runs and its atomics into two
+buckets — it calls nothing in `elidex-shaping`. The `rustybuzz` call is reached from
+`emit_flow_text_run` (`builder/inli


Exempt untestable seeds from the cell requirement

The instruction that the PR-1b review turns every item into a cell conflicts with items 5 and 8 below: item 5 explicitly says the review writes no cell, while item 8 says no cell is written until a different discriminating markup is found. This leaves the per-PR reviewer with contradictory acceptance criteria about whether those two seeds must produce tests before approval. Narrow this requirement to the cell-bearing items or state the two exceptions here.

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tools(plan-memo): land the two plan-memo checkers so cited commands are runnable #518

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send commented Sep 7, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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What lands

⚠ What changed since this PR was opened at rev 27

Why now — the approval basis is a design freeze, not a renewed TERMINAL

Program state the memo records

Gates

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Codex Review Summary

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