至少应该把“According to copyright law”改成“According to my understanding”,因为不光中、美均无他说的法律条文或案例(
http://www.xys.org/forum/db/9/93/44.html),就连字典上说的(算是commonly accepted definition吧)也和他的说法不一致(
http://www.xys.org/forum/db/9/93/61.html)。
既然他的目的是"to educate ourselves", "to use this as an educational forum",起码应该把定义搞清楚吧。