MAME Languages.ini v0.147 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 v0.147 Changelog:
0.11 0.147 10/01/2012: File remade and aligned to MAME version 0.147.

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