Read a credential split across a space as one word (#752, phase 2e)

docs/design/decisions/C13-credential-opening-the-part-after-the-comma.md

@@ -13,7 +13,7 @@ Open: none in this file.
 
 ## Log
 
-- 2026-10-04 (Derek), #603 (decided at group's head since #613, decisions/C1; its `John Smith, MD Jones`, `MD - PhD - FACS` and `Smith, MD PhD Ma` readings and `md`'s dual status superseded by #853, decisions/indic-honorifics, `MD` being no title there) — A CREDENTIAL OPENING THE PART AFTER THE COMMA MAKES IT THE POSTNOMINAL PART, WHATEVER FOLLOWS; AND A TITLE WORD PAST THE SECOND COMMA IS A TITLE. One word that is neither suffix nor title vocabulary used to flip the whole comma reading: `John Smith, PhD Jones` read family 'John Smith', given 'PhD', where `John Smith, MD FACS` and `Eric H. Holder, Jr. Attorney General` were already read as a name and its postnominals. Now the first suffix word of the part, with only titles in front of it, opens the part when it starts S2's run (`_pieces.starts_a_credential_run`, #602's own predicate, so the two runs cannot disagree about what starts one), and every word after it reads as that run reads: a title word as a title, any other as a suffix. The mechanism was the one #296 built for a part holding no name word, extended rather than added beside; where this entry had segment deciding it, #613 (decisions/C1) decides it once at group's head. Every word the opened part takes that would otherwise have made it the given part is reported (`suffix-or-name`), as #602's run reports what it absorbs.
+- 2026-10-04 (Derek), #603 (its no-comma `John Smith Ph. D. Jones` left reading family 'Jones' superseded by #752's phase 2e, decisions/S12, the merged pair starting the run there too) (decided at group's head since #613, decisions/C1; its `John Smith, MD Jones`, `MD - PhD - FACS` and `Smith, MD PhD Ma` readings and `md`'s dual status superseded by #853, decisions/indic-honorifics, `MD` being no title there) — A CREDENTIAL OPENING THE PART AFTER THE COMMA MAKES IT THE POSTNOMINAL PART, WHATEVER FOLLOWS; AND A TITLE WORD PAST THE SECOND COMMA IS A TITLE. One word that is neither suffix nor title vocabulary used to flip the whole comma reading: `John Smith, PhD Jones` read family 'John Smith', given 'PhD', where `John Smith, MD FACS` and `Eric H. Holder, Jr. Attorney General` were already read as a name and its postnominals. Now the first suffix word of the part, with only titles in front of it, opens the part when it starts S2's run (`_pieces.starts_a_credential_run`, #602's own predicate, so the two runs cannot disagree about what starts one), and every word after it reads as that run reads: a title word as a title, any other as a suffix. The mechanism was the one #296 built for a part holding no name word, extended rather than added beside; where this entry had segment deciding it, #613 (decisions/C1) decides it once at group's head. Every word the opened part takes that would otherwise have made it the given part is reported (`suffix-or-name`), as #602's run reports what it absorbs.
   THE ONE-WORD PATH, DECIDED (Derek): the whole part is suffixes. `Doe, PhD Jones` reads family 'Doe', suffix 'PhD Jones', no given name, as `Smith, PhD` already reads. DECLINED: reading the credential as a suffix and the next name word as the given name (`Smith, PhD Jones` → given 'Jones'), proposed by analogy with a title at the head of the given part. Asked whether that is a real format, it is not -- nobody writes `Family, Credential Given` on purpose -- and the one realistic input it served, a misplaced generation (`Smith, Jr. John` for `Smith Jr., John`), is garbage in, garbage out. One reading for both comma paths was the deciding ground: the one-word path disagreeing with the full-name path is the shape #429, #430 and #432 each found. Accepted cost: `Smith, Jr. John` loses 'John' to the suffix, where 2.3 read given 'John' with 'Jr.' misfiled as a title.
   A TITLE/SUFFIX DUAL OPENS NOTHING (Derek). A word in both vocabularies (`md`, `ms`, `sr`, the ranks `lt`, `cpl` and the rest) is the listing form's title in front of a given name, `Smith, Ms Jane`, and a credential behind it opens nothing either (`Smith, Ms PhD Jones` keeps given 'PhD', as `Smith, MD PhD Ma` keeps given 'Ma' under #544). DECLINED after building it: a dual opening the part behind two or more words before the comma. Derek first chose it for `John Smith, MD Jones`; the reviews found what the count cannot see -- a surname of two words (`García Márquez, Ms Gabriela`, `Smith Jones, Sr. Maria`), a title in front of a one-word surname (`Dr. Smith, Ms Jane`, the count taking the title as a word), and spaced initials (`García Márquez, Ms G. J.`) each lost the given name -- and with the word explained (a dual is a word in both lists, decided by position), Derek chose that duals never open. So `John Smith, MD Jones` and the `MD - PhD - FACS` delimiter rows keep their 2.3 reading. An ambiguous-class member opens nothing either (`John Smith, Ma Jones` keeps given 'Ma'), nor does a suffix word S2's run start refuses (`John Smith, vd Jones`).
   STRICT MODE: the veto refuses an initial-shaped word the suffix READING, not the run. `Smith, PSM I.` under `lenient_comma_suffixes=False` reads suffix 'PSM I.' (2.3: given 'PSM', suffix 'I.'), reporting the absorbed 'I.', which matches #602's no-comma run (`John Smith PhD V.` reports; its given-part run does not, a disagreement #602 left and this does not touch).

docs/design/decisions/README.md

@@ -55,6 +55,7 @@ Entry conventions:
 - [S8 — the credential's trailing run](S8-credentials-trailing-run.md)
 - [S9 — unlisted words that join the ambiguous class by shape](S9-unlisted-words-that-join-the-ambiguous-class-by-shape.md)
 - [S10 — the trailing roman numeral](S10-trailing-roman-numeral.md)
+- [S12 — a credential split across a space](S12-credential-split-across-a-space.md)
 - [S11 — a suffix word that is also a name](S11-suffix-word-that-is-also-a-name.md)
 
 ## Nicknames & quoted names (N)

docs/design/decisions/S10-trailing-roman-numeral.md

@@ -12,6 +12,8 @@
 - A bare letter in a one-case name is the initial its capital is (rules/T4), and the one-letter numerals are an instance of that rule — 2026-10-18 #723.
 - The one-letter reading rests on the count, not on the generation being rare, and a one-case part before a capitalized credential reads under C12 (`john j v, PhD`) — 2026-10-19 #761.
 
+Elsewhere: a one-letter numeral before a credential split across a space reads as it reads before the one-word spelling (`John Smith V Ph. D.` → family 'V', reported), where 2.3.0 through 2.6.0 read suffix 'V Ph. D.' (1.4.0 suffix 'Ph. D., V') — decisions/S12's 2026-10-25 #752 entry.
+
 Open: none in this file.
 
 ## Log