The following bug has been logged on the website:
Bug reference: 8816
Logged by: Anton Kuzmin
Email address: thehappycoder(at)gmail(dot)com
PostgreSQL version: 9.2.6
Operating system: Debian wheezy
Description:
to_tsquery('russian', 'Мария:*'::text) returns 'мар':* which is wrong. Мария
is a female's name.
I think the correct result should be 'мари':* because according to Russian
grammar this name can have the following forms: Мария, Марии, Марию, Марией