alt Hacker NewsThere's a difference between "no license, all rights reserved" and "no license, public domain". Up until recently, you could assume that not having a license meant the former. But treating the latter as the same would just be silly.
As far as I'm concerned, public domain counts as "an appropriate open source license".
> As far as I'm concerned, public domain counts as "an appropriate open source license".
For material whose author is known and has explicitly placed it in the public domain, sure. For code that fell off the back of a truck, not so much.