MAME Languages.ini v0.147u1 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 v0.147u1 Changelog:
* 0.12 0.147u1 10/10/2012: Added sets of the 0.147u1.

Download: MAME Languages.ini v0.147u1
Source: Here