On the one hand, this would have serious implications for compatible FOSS reimplementations of proprietary APIs, such as Wine, libc, emulators, etc. On the other hand, this would make it far easier to enforce copyleft licenses like the GPL. I'm one of the people who provided text and examples filed in the EFF's amicus brief against, and on balance I'm not a fan of stricter copyright like this, but it's interesting to…
I'd be curious to hear RMS's stance on the issue, but I'm guessing he would agree with Oracle. http://clisp.cvs.sourceforge.net/viewvc/clisp/clisp/doc/Why-...
From reading that, you can be near certain that RMS would agree.