[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2010-01-05 Thread Jason Grout
Robert Dodier wrote: On Dec 29 2009, 8:35 pm, Jason Grout wrote: I'm posting this to (1) share what I've learned by reading a lot over the last little while, and (2) ask for advice from people that have thought a lot about licensing of books and notes. When I've written documentation for Max

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2010-01-05 Thread Robert Dodier
On Dec 29 2009, 8:35 pm, Jason Grout wrote: > I'm posting this to (1) share what I've learned by reading a lot over > the last little while, and (2) ask for advice from people that have > thought a lot about licensing of books and notes. When I've written documentation for Maxima (apart from the

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2010-01-04 Thread Jason Grout
Dan Drake wrote: > I think I would be very happy if I wrote my book and someone else wanted > to include a version of one of the chapters into their own work, even if > that work otherwise used ordinary copyright, and if readers of the new > book didn't have access to "Transparent" copies, or if

Re: [sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2010-01-04 Thread Dan Drake
Okay, I'm late to this party, but I'm very interested in this issue, as I have plans to write a book that would be licensed under something like GFDL or CC by-sa. On Tue, 29 Dec 2009 at 10:24PM -0700, Jason Grout wrote: > So it still seems that GFDL has some sort of requirement about > distributin

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-30 Thread Adam Webb
> > I never really thought about this distinction--I wish there was   > something like CC-by-sa-src as well. Source doesn't make as much sense   > for a photo, but for something like a LaTeX document or a vector   > graphic it is very valuable--almost an essential part of the "share   > alike" ide

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-30 Thread Jason Grout
Robert Bradshaw wrote: > On Dec 29, 2009, at 9:24 PM, Jason Grout wrote: > >> William Stein wrote: >> The major difference I see between GFDL and CC-by-sa is that CC-by- sa does not have the requirement that the source be distributed with the work. >>> The statement you

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-30 Thread Jason Grout
David Joyner wrote: > On Wed, Dec 30, 2009 at 12:06 AM, Jason Grout > wrote: >> David Joyner wrote: >>> On Tue, Dec 29, 2009 at 10:35 PM, Jason Grout >>> wrote: > > > >> I guess the situation changes if some example code from the document is >> actually incorporated into Sage. For example

Re: [sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-30 Thread David Joyner
On Wed, Dec 30, 2009 at 12:06 AM, Jason Grout wrote: > David Joyner wrote: >> On Tue, Dec 29, 2009 at 10:35 PM, Jason Grout >> wrote: >>> ... > I guess the situation changes if some example code from the document is > actually incorporated into Sage.  For example, if in the book, I have a > sam

Re: [sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-30 Thread Robert Bradshaw
On Dec 29, 2009, at 9:24 PM, Jason Grout wrote: > William Stein wrote: > >>> The major difference I see between GFDL and CC-by-sa is that CC-by- >>> sa >>> does not have the requirement that the source be distributed with >>> the >>> work. >> >> The statement you just made above about GFDL is f

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-30 Thread Rob Beezer
A few comments based on having thought carefully about this for a few years now. 1. The preamble of the GNU Free Documentation License (GFDL) from the Free Software Foundation (home of the GPL) says: "The purpose of this License is to make a manual, textbook, or other functional and useful docum

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-29 Thread Jason Grout
Jason Grout wrote: > David Joyner wrote: >> On Tue, Dec 29, 2009 at 10:35 PM, Jason Grout >> wrote: >>> GFDL and CC-by-sa are not compatible with GPL, so if I wanted the notes >>> to be distributed with Sage (so the examples turn into doctests, etc.), >>> if I went with (1) or (2), I'd have to dua

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-29 Thread Jason Grout
William Stein wrote: >> The major difference I see between GFDL and CC-by-sa is that CC-by-sa >> does not have the requirement that the source be distributed with the >> work. > > The statement you just made above about GFDL is false. The relevant > statement in the GFDL is: "If you publish or d

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-29 Thread kcrisman
> > I have a different question about this - would such things be > > distributed only in source form, or also in "compiled" (.pdf?) form? > > Yes to the statement on each side of your "or" conjunction, in the > sense that the answer depends on which download you're talking about. > The source tarb

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-29 Thread Jason Grout
David Joyner wrote: > On Tue, Dec 29, 2009 at 10:35 PM, Jason Grout > wrote: >> I'm posting this to (1) share what I've learned by reading a lot over >> the last little while, and (2) ask for advice from people that have >> thought a lot about licensing of books and notes. >> >> I'm looking at dif

Re: [sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-29 Thread William Stein
On Tue, Dec 29, 2009 at 8:31 PM, kcrisman wrote: >> They are >> very confusing. >> > > Yes. > > I have a different question about this - would such things be > distributed only in source form, or also in "compiled" (.pdf?) form? Yes to the statement on each side of your "or" conjunction, in the s

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-29 Thread kcrisman
> They are > very confusing. > Yes. I have a different question about this - would such things be distributed only in source form, or also in "compiled" (.pdf?) form? I could imagine this eventually adding a very large amount to the download, if Sage and/or the CCLI grant application are as succe