diff --git a/tests/public-surface-wording.test.ts b/tests/public-surface-wording.test.ts
index 3c870d1..fab6951 100644
--- a/tests/public-surface-wording.test.ts
+++ b/tests/public-surface-wording.test.ts
@@ -5,13 +5,73 @@ import { describe, expect, it } from "vitest";
 
 // Files that reach readers (the npm tarball, the README files and the changelog) must not
 // point at the private development notes this package was built from: links into the
-// private repository, internal task and milestone labels, or section numbers of
+// private repository, internal task, milestone and review labels, month-level stage names,
+// the row numbers of the review table, design decision numbers, or section numbers of
 // unpublished documents. dist is generated from src, so src is what is checked.
 
 const packageRoot = fileURLToPath(new URL("..", import.meta.url));
 
+/**
+ * Internal references in the wording of the published files.
+ *
+ * Each alternative is kept narrow on purpose, so ordinary code and text (EPSG codes,
+ * `UTJCP:ZONE-B`, `metresPerUnit`, `UTF-8`, `ISO-8601`, `x-skew`) stay clean. The samples
+ * used by the tests below are the guard that the expression is neither too narrow nor too
+ * wide.
+ */
 const INTERNAL_REFERENCE =
-  /docs\/superpowers|\bm[0-9]+[ab]?-t[0-9]+|Cycle 1|post-cycle|仮仕様|AC-m[0-9]|HR-m[0-9]|SR-m[0-9]|maplat-v4-crs-libs|provisional specification|§[0-9]/;
+  /docs\/superpowers|\bPR-T[0-9]+[A-Za-z]?|\btrain\/[0-9]{4}-[0-9]{2}|\b(?:MAJ|MIN)-[0-9]+|\b(?:Minor|Info)-[0-9]+|トレイン|照合表|第\s*[0-9]+\s*便|サイクル\s*[0-9]+|NayutaProducts|\bDSH\b|\bm[0-9]+[ab]?-t[0-9]+|\bCycle ?[0-9]|post-cycle|仮仕様|AC-m[0-9]|HR-m[0-9]|SR-m[0-9]|maplat-v4-crs-libs|provisional specification|(?<!\b(?:RFC|ISO|OGC)\s?[0-9]{1,5}\s*)§[0-9]|\b(?:dec|nov|oct)2[0-9]|\b[A-Z]-[0-9]+\b|\bDM-[A-Z]?[0-9]|\bK[0-9]+\b|設計書|rule-00|那由多|INF-[0-9]|\bAC-?[0-9]/;
+
+/**
+ * Lines the expression must flag. The labels are made up (they follow the shapes of the
+ * real ones without naming any). The expression and the samples live only in this file;
+ * tests/ is not part of the published tarball.
+ */
+const MUST_MATCH = [
+  "dec29",
+  "D-9",
+  "T-99",
+  "DM-Z9",
+  "設計書",
+  "m9-t9",
+  "§9.9",
+  "K99",
+  "PR-T9z",
+  "train/2099-01",
+  "MAJ-9",
+  "MIN-9",
+  "Minor-9",
+  "Info-9",
+  "トレイン",
+  "照合表",
+  "第 9 便",
+  "サイクル 9",
+  "NayutaProducts",
+  "DSH",
+  "// dec29 probe",
+  "// see 設計書 D-9 probe",
+  "// T-99 probe",
+  "// DM-Z9 probe",
+];
+
+/** Ordinary code and text the expression must leave alone. */
+const MUST_NOT_MATCH = [
+  "EPSG:6674",
+  "UTJCP:ZONE-B",
+  "metresPerUnit",
+  "xScale",
+  "DEFAULT_TIMEOUT_MS",
+  "adapter-timeout",
+  "UTF-8",
+  "ISO-8601",
+  "x-skew",
+  "failure.reason: 'timeout'",
+  "ok_with_warnings",
+  "RFC 7946 §3.1",
+  "ISO 19111 §7.2",
+  "設計上の理由で",
+  "設計された",
+];
 
 function walk(path: string): string[] {
   if (statSync(path).isDirectory()) {
@@ -40,6 +100,18 @@ describe("public files carry no internal references", () => {
     expect(files.length).toBeGreaterThan(0);
   });
 
+  it("flags the internal references reviewers reported", () => {
+    for (const sample of MUST_MATCH) {
+      expect(INTERNAL_REFERENCE.test(sample), sample).toBe(true);
+    }
+  });
+
+  it("leaves ordinary code and text alone", () => {
+    for (const sample of MUST_NOT_MATCH) {
+      expect(INTERNAL_REFERENCE.test(sample), sample).toBe(false);
+    }
+  });
+
   it("has no internal reference in the published sources, README files and changelog", () => {
     const hits: string[] = [];
     for (const file of files) {