I see what you mean (am using 2003 version).
000 gives you Chinese (Taiwan)
0000 - Portugese
00000 - English (US)
000000 - Chinese (PRC)
Don't know what is going on but it does still appear to give you the correct format.
Galaxy Note 8 vs iPhone X
Aardman's new YouTube channel to share the work of independent animators
iPhone X vs Samsung Galaxy Note 8
Les meilleurs navigateurs internet 2017