Java is a specification, the Oracle JRE/JDK is not open source. The OpenJDK uses Hg. When they talk about Python they are talking about the cpython or main implementation. Pypy, another Python implementation uses Hg as well
Jerk removed my comment because I thought the oxygen icon set from kde4 should be included. Notice how all the comments on his blog say amazing and lovely.
I once commented on an article on noupe that was inaccurately labelling PHP's $_SERVER['PHP_SELF'] "insecure, because it allows hackers to search your entire server!"
The owner deleted my comment, and then pasted my personal details (e-mail address, etc) on to someone else's blog.
