Answer stability round 1: the docs say the US tenth is drawn from every place, a capital matches by a name only one place in its state carries, and the test comment says what it checks

AGENTS.md

@@ -90,7 +90,7 @@ In [docs/decisions.md](docs/decisions.md):
 - A path is walked once without drawing before it is walked for real
 - A country's postal codes and streets are siblings under its locality
 - A locale package imports its country's geo package, and its `Modules()` returns both
-- The default embed holds every Swedish postort the import can place with all its streets, and of the US places that hold most of a postal code's land every state capital, every place of 100,000 and a population-weighted tenth of the rest, each with a quarter of its streets, at least ten
+- The default embed holds every Swedish postort the import can place with all its streets, and of the US places that hold most of a postal code's land a population-weighted tenth, every state capital and every place of 100,000, each with a quarter of its streets, at least ten
 - A locale's `address` binds its country's record once and prints it whole
 - A postort's kommun comes from its name, its tätort or its codes, never from distance
 - A highway designation is not a street, and a US postal code belongs to the place holding most of its land inside places

CHANGELOG.md

@@ -95,10 +95,10 @@ replacement, and each removed path, column or flag.
   `en_US.address.street` no longer carries `name` and `suffix`, and a locale's `address`
   reads its country's `geo` module. Every Swedish postort the import can place and give
   a street ships with all its streets. Of the US incorporated places that hold most of
-  some postal code's land, every state capital but Honolulu, every place of 100,000 or
+  some postal code's land, a tenth drawn by population down to villages of a hundred
-  more, and a tenth of the rest drawn by population down to villages of a hundred people
+  people ships, and every state capital but Honolulu and every place of 100,000 or more
-  ship, so a smaller city may be missing; each carries a quarter of its streets, at least
+  beside, so a smaller city may be missing; each carries a quarter of its streets, at
-  ten.
+  least ten.
 - `{date(from,to,'layout')}` and `{time('layout')}`: a second between two days, or
   within one, in a single-quoted Go layout, drawn in UTC; `from` may equal `to`.
   `sv_SE.date`, `en_US.date`, `sv_SE.time` and `en_US.time` render through them, so

README.md

@@ -313,14 +313,14 @@ neighbouring one.
 | `municipality` | kommun, by code or name | county, by FIPS code or name | population |
 | `locality` | postort, by name; [`geo-se.py`](data-import/geo-se.py)'s `localities` picks the candidates, and one with no street is dropped | incorporated place, by GEOID or name; Hawaii has none | tätort population, the kommun's where the postort names it, else 200; place population |
 | `postal-code` | postnummer with street delivery, by code | ZCTA, by code | one; address ranges |
-| `street` | gatunamn, every one | street name, per place the quarter with most address ranges, at least ten | segments; address ranges |
+| `street` | gatunamn, every one; [`geo-se.py`](data-import/geo-se.py)'s `street_name` drops a name that is not a street's | street name, per place the quarter with most address ranges, at least ten | segments; address ranges |
 
 `geo.SE.region[Skåne län].municipality` draws a kommun in Skåne,
 `geo.SE.locality[Lund].street` a street in Lund, and
 `geo.US.region[IL].locality[Springfield]` settles which Springfield. The US places are
-the incorporated places that hold most of some postal code's land: every state capital,
+the incorporated places that hold most of some postal code's land: a tenth of them drawn
-every place of 100,000 or more, and a tenth of the rest drawn with odds by population,
+with odds by population, and every state capital but Honolulu and every place of 100,000
-so a smaller city may be missing: look one up in
+or more beside, so a smaller city may be missing: look one up in
 [`locality.tsv`](data/geo/US/locality.tsv) before selecting it. A region row
 carries its `timezone`, the state's predominant zone, and a locality its `lat` and
 `lon`. What ports across countries is the five table names, the `name` column,

data-import/geo-us.py

@@ -28,18 +28,18 @@ ZCTA_PLACE = "https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/ta
 TIGER = "https://www2.census.gov/geo/tiger/TIGER2025/{0}/tl_2025_{1}_{2}.zip"
 ESTIMATE = "POPESTIMATE2025"
 CDP = "57"
-# Each state's capital from Wikidata (CC0), with the capital's GNIS ids, which the Gazetteer carries as ANSICODE.
+# Each state's capital from Wikidata, with the capital's GNIS ids, which the Gazetteer carries as ANSICODE.
 CAPITALS = "https://query.wikidata.org/sparql?" + urllib.parse.urlencode({"query": """
 SELECT ?iso ?capitalLabel ?gnis WHERE {
   ?state wdt:P31 wd:Q35657; wdt:P300 ?iso; wdt:P36 ?capital.
   OPTIONAL { ?capital wdt:P590 ?gnis. }
   SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
 }"""})
-ALWAYS = 100000
+SHIPPED_POPULATION = 100000
 HIGHWAY = re.compile(r"\b(I- |Hwy |Highway |Loop |Rte |Route |Rd )\d")
 SUFFIX = re.compile(r" (city and borough|city|town|village|borough|municipality|comunidad|zona urbana|metropolitan government|metro government|consolidated government|unified government|urban county|corporation|plantation)( \(balance\))?$")
 # Places whose Census name is not the postal city an address carries.
-NAMES = {"1303440": "Athens", "1304204": "Augusta", "1349008": "Macon", "1608830": "Boise", "2148006": "Louisville", "3011397": "Butte", "4732742": "Hartsville", "4752006": "Nashville"}
+NAMES = {"0665042": "Ventura", "1303440": "Athens", "1304204": "Augusta", "1349008": "Macon", "1608830": "Boise", "2146027": "Lexington", "2148006": "Louisville", "3011397": "Butte", "4732742": "Hartsville", "4744382": "Lynchburg", "4752006": "Nashville"}
 TIMEZONES = {
     "AK": "America/Anchorage", "AL": "America/Chicago", "AR": "America/Chicago", "AZ": "America/Phoenix",
     "CA": "America/Los_Angeles", "CO": "America/Denver", "CT": "America/New_York", "DC": "America/New_York",
@@ -137,9 +137,12 @@ def localities(cache, counties):
 
 
 def capitals(cache, places, counties):
-    """The codes of the places that are a state's capital, matched by any of its GNIS ids, else by name inside the state."""
+    """The codes of the places that are a state's capital, matched by any of its GNIS ids, else by a name no other place in the state carries."""
     by_gnis = {p["gnis"]: code for code, p in places.items()}
-    by_name = {(counties[p["municipality"]]["region"], p["name"]): code for code, p in places.items()}
+    named = collections.defaultdict(list)
+    for code, p in places.items():
+        named[(counties[p["municipality"]]["region"], p["name"])].append(code)
+    by_name = {key: codes[0] for key, codes in named.items() if len(codes) == 1}
     gnis_of = collections.defaultdict(set)
     for r in csv.DictReader(io.StringIO(text(source.fetch(CAPITALS, cache, "capitals.csv", magic=b"iso,", headers={"Accept": "text/csv"})))):
         gnis_of[(r["iso"].removeprefix("US-"), r["capitalLabel"])].add(int(r["gnis"] or 0))
@@ -211,7 +214,7 @@ def main():
     owners = {p: places[p] for p in set(owner_of_zcta.values())}
     for code in sorted(capital_codes - set(owners)):
         print(f"{code} {places[code]['name']}: capital owns no ZCTA, dropped", file=sys.stderr)
-    places = drawn(owners, a.place_share) | {code: p for code, p in owners.items() if code in capital_codes or p["population"] >= ALWAYS}
+    places = drawn(owners, a.place_share) | {code: p for code, p in owners.items() if code in capital_codes or p["population"] >= SHIPPED_POPULATION}
     locality_of_zcta = {zcta: p for zcta, p in owner_of_zcta.items() if p in places}
     named, addresses = streets(cache, sorted({l["municipality"] for l in places.values()}), locality_of_zcta, a.street_share, a.min_streets)
     zctas = collections.defaultdict(list)

data_test.go

@@ -376,8 +376,8 @@ func TestShippedAddressIsOneNamedPick(t *testing.T) {
 	}
 }
 
-// TestShippedPlacesSpreadAddresses pins that Göteborg ships every street, Los Angeles a
+// TestShippedPlacesSpreadAddresses pins that Göteborg ships 1,500 streets or more, Los
-// quarter of its streets, and that some US place holds under 2,500 people.
+// Angeles 2,500 or more, and that some US place holds under 2,500 people.
 func TestShippedPlacesSpreadAddresses(t *testing.T) {
 	for country, city := range map[string]struct {
 		key   string

docs/decisions.md

@@ -603,7 +603,7 @@ providing `geo.SE`'s paths, and without one `sv_SE.address` fails at first reach
 `FS` works against goal 6.2. Every package exports `Modules()`, so one spelling loads any of
 them; a data package imports only the packages it reads.
 
-## The default embed holds every Swedish postort the import can place with all its streets, and of the US places that hold most of a postal code's land every state capital, every place of 100,000 and a population-weighted tenth of the rest, each with a quarter of its streets, at least ten
+## The default embed holds every Swedish postort the import can place with all its streets, and of the US places that hold most of a postal code's land a population-weighted tenth, every state capital and every place of 100,000, each with a quarter of its streets, at least ten
 
 2026-10-11, Lilleman auf Larv; revised the same day, after a tenth of the streets gave
 Göteborg 163 and Stockholm 37. Goals 2 and 14: ten streets per place put 500 Stockholm
@@ -615,8 +615,8 @@ postal code. The draw alone kept 310 of the 343 places of 100,000 or more and le
 or name`; every capital and every place of 100,000 now ships beside the draw, and its
 smallest place holds 93 people. The capitals are each state's `capital` (P36) in
 [Wikidata](https://www.wikidata.org/), matched to a Census place by its GNIS id and
-else by name in its state. Honolulu, a census-designated place, is the one capital and
+else by a name no other place in its state carries. No census-designated place ships,
-the one place of 100,000 that cannot ship. Every Swedish street is 174k rows; a quarter
+so Honolulu is the one capital missing. Every Swedish street is 174k rows; a quarter
 of the US streets 475k. On 2026-10-11 the embed grew from 5.2 MB to 16 MB, and a CLI
 run printing the first `en_US.address` took 145 ms, `sv_SE.address` 95 ms and
 `misc.territory` 3 ms, within goal 13. `--place-share`, `--street-share` and