Correct the format-string example, and stop Swedish name data composing a triple letter

README.md

@@ -337,9 +337,12 @@ rejected at `New`.
 may be a `{..path}` reference too (`{name|..en_US.person}`).
 
 Inside a `format`, `0 1 A a` are **always** character classes — so a fixed digit
-or letter must be escaped (`#1`, `#A`) or it becomes random. A format of
+or letter must be escaped (`#1`, `#A`) or it becomes random. Only those four
-`100 Main St` renders e.g. `506 mdin street`, not `100 Main St`. For a value with
+characters are classes: digits `2`–`9` and every other letter are literal. A
-no tokens at all, use a bare string node (`"100 Main St"`), emitted verbatim.
+format of `100 Main St` renders e.g. `506 Mdin St` — the `1`, `0`, `0` and `a`
+were random, the `M`, `in` and `St` were not. A half-fixed string is the trap:
+`555-0100` keeps `555-` and randomises the last four digits. For a value with no
+tokens at all, use a bare string node (`"100 Main St"`), emitted verbatim.
 
 **Putting it together** (`person.json`):
 

data/sv_SE/person.json

@@ -7,14 +7,20 @@
       {
         "format": "{first}sson",
         "weight": 5,
-        "first": ["Ander", "Arvid", "Bengt", "Daniel", "David", "Erik", "Fredrik", "Gustaf", "Henrik", "Håkan", "Isak", "Jakob", "Johan", "Jon", "Jöns", "Karl", "Lar", "Magnu", "Matt", "Mikael", "Mårten", "Nil", "Ol", "Per", "Petter", "Samuel", "Sven"]
+        "first": ["Ander", "Arvid", "Bengt", "Daniel", "David", "Erik", "Fredrik", "Gustaf", "Henrik", "Håkan", "Isak", "Jakob", "Johan", "Jon", "Jön", "Karl", "Lar", "Magnu", "Matt", "Mikael", "Mårten", "Nil", "Ol", "Per", "Petter", "Samuel", "Sven"]
       },
       {
         "format": "{first}{last}",
-        "weight": 4,
+        "weight": 3.6,
-        "first": ["Ahl", "Berg", "Blom", "Ceder", "Dahl", "Ek", "Eng", "Falk", "Fors", "Gran", "Hag", "Hed", "Hell", "Holm", "Lind", "Lund", "Mal", "Norr", "Ny", "Rosen", "Sand", "Sjö", "Skog", "Söder", "Sten", "Strand", "Sund", "Wall", "Wik", "Öst"],
+        "first": ["Ahl", "Berg", "Blom", "Ceder", "Dahl", "Ek", "Eng", "Falk", "Fors", "Gran", "Hag", "Hed", "Holm", "Lind", "Lund", "Mal", "Ny", "Rosen", "Sand", "Sjö", "Skog", "Söder", "Sten", "Strand", "Sund", "Wik", "Öst"],
         "last": ["berg", "blad", "crona", "dahl", "ed", "fors", "gren", "holm", "in", "kvist", "löf", "lund", "man", "mark", "qvist", "roth", "stedt", "sten", "strand", "ström", "vall"]
       },
+      {
+        "format": "{first}{last}",
+        "weight": 0.4,
+        "first": ["Hell", "Norr", "Wall"],
+        "last": ["berg", "blad", "crona", "dahl", "ed", "fors", "gren", "holm", "in", "kvist", "man", "mark", "qvist", "stedt", "sten", "strand", "ström", "vall"]
+      },
       ["Berg", "Blom", "Eismar", "Falk", "Holm", "Lind", "Norberg", "Strand", "Ström", "von Flemming", "Åberg", "Öberg"]
     ],
     "prefix": [