[derek73]

Phase 2 (#752) is complete: every sub-phase, 2a to 2m, has merged. Before the issue closes, this updates the decisions Open: lines that still pointed at it, or at the closed #348. It changes no parser behavior.

• O6, two family names. The question parked on Phase 2: derive ambiguity from clashing readings and extend the gate to every reading kind #752, whether two_family_names reports the reading it did not take, is decided: it reports nothing and surfaces no alternative, since the caller declared the convention. Ambiguity.alternative rides on a report, so the switch carries none. A Standing line and a dated 2026-10-27 entry replace the Open line.

• suffix-acronym-collisions. Its Open line becomes an Elsewhere pointer to phase 2a, which derived the ambiguous marking from name readings and moved no membership.

• vocabulary-collisions. Its Open line becomes an Elsewhere pointer:

  • the titles' half of the collision criterion is rules/H9, the title phrase;
  • which forks report is decisions/H9's two 2026-10-26 report entries; a word no listed phrase holds, and one after a comma, reports nothing.

  A new Open: #913 names the title words left.

• H1. Its Open line points at Should Baron, Bishop, Judge and the other title words borne as names read as names outside a title phrase? (Baron Davis → title 'Baron', no given name) #913 instead of Should a word that is both a title and a given name report an ambiguity? (Baron Davis → title 'Baron', no given name) #348.

• vocabulary-model. Its Open line drops Phase 2: derive ambiguity from clashing readings and extend the gate to every reading kind #752 for Should Baron, Bishop, Judge and the other title words borne as names read as names outside a title phrase? (Baron Davis → title 'Baron', no given name) #913.

• The RFC. It notes Phase 2 complete and points 2j's row at Should Baron, Bishop, Judge and the other title words borne as names read as names outside a title phrase? (Baron Davis → title 'Baron', no given name) #913.

A design-docs review found three defects in the first draft, all fixed here:

• the collisions pointer claimed every title word reports title-or-name;
• it credited Should a word that is both a title and a given name report an ambiguity? (Baron Davis → title 'Baron', no given name) #348's answer to the wrong entry;
• two pointers matched four same-dated entries.

The design-doc tests pass.

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