MAME Languages.ini v0.161 is released. It supports file for MameUI, which attempts to catalog all of the MAME sets based on the language used by the game.

MAME Languages.ini v0.161 Changelog:
* 0.43 0.161 01/05/2015: Added 0.161 sets and 15 renames.

Download: MAME Languages.ini v0.161
Source: Here