In a previous entry I wrote about how the bone radical is written differently in some Chinese cases. Well, thanks to John H. Jenkins of Apple I found out that the People’s Republic of China made a switch from the traditional character to the one that has the corner on the left side. This way the strokecount is reduced by one. But for font designers it offers a small problem, since it means that you have to know your target audience quite well.
To sum it up: PRC uses the newer character, most likely Singapore does so too being another simplified Chinese user. Hong Kong, Japan, Korea, Macao, and Taiwan use the older character.