Furthermore, to compare with initdb.exe from 9.1 on the same computer,
here are the key : value pairs from the --locale="key" and locale
used.
>"C:\Program Files\PostgreSQL\9.1\bin\initdb.exe" --version
initdb (PostgreSQL) 9.1.4
C : C
English : English
French : French
nonsense : English_United Kingdom.1252
French, Canada : French, Canada
French_Canada : French_Canada
English, Canada : English, Canada
English_New_Zealand : English_United Kingdom.1252
English, New Zealand : English, New Zealand
English_New Zealand : English_New Zealand