Re: Calendrical Calculations and licensing

2003-01-15 Thread Jonathan Scott Duff
On Wed, Jan 15, 2003 at 02:43:57PM -0600, Dave Rolsky wrote: Because of this, I think we need to take the following steps: 1. No implementation should explicitly use algorithms from CC. 2. No discussion of implementation matters should refer to Calendrical Calculations. For example, don't

Re: Calendrical Calculations and licensing

2003-01-15 Thread John Peacock
Abigail wrote: I don't think you quoted the part where they put a restriction on the algorithms (which, AFAIK, are not copyrightable or patentable; they fall in the same categories as ideas, which can't be copyrighted either). Ummm, at least in the US, algorythms _can_ be patented. See GIF

Re: Calendrical Calculations and licensing

2003-01-15 Thread Dave Rolsky
On Wed, 15 Jan 2003, srl wrote: Rich Bowen emailed them at one point and got an agreement from them that he could implement the algorithms and release the code freely, as long as he let them publish the code in the next version of the book. Last I heard, he was confirming that understanding

Re: Calendrical Calculations and licensing

2003-01-15 Thread Dave Rolsky
On Wed, 15 Jan 2003, Jonathan Scott Duff wrote: I agree, but you forgot step 0: Ask the authors if they'd be willing to release the code under an open source license. It doesn't hurt to ask and if they refuse, then we just continue ignoring the book for implementation advice. I did mention

Re: Calendrical Calculations and licensing

2003-01-15 Thread Rich Bowen
On Wed, 15 Jan 2003, Dave Rolsky wrote: On Wed, 15 Jan 2003, srl wrote: Rich Bowen emailed them at one point and got an agreement from them that he could implement the algorithms and release the code freely, as long as he let them publish the code in the next version of the book. Last I