On Wed, May 25, 2022 at 10:51:43PM +0200, Thomas Gleixner wrote: > On Wed, May 25 2022 at 09:57, Luis Chamberlain wrote: > > On Mon, May 23, 2022 at 11:22:36PM +0200, Thomas Gleixner wrote: > >> This paragraph is not really understandable for Joe Developer. > >> > >> copyleft-next-0.3.1 is explicitly compatible with GPLv2 (or later) and > >> can therefore be used for kernel code. Though the best and recommended > >> practice is to express this in the SPDX license identifier by > >> licensing the code under both licenses expressed by the OR operator. > >> > >> Hmm? > > > > Let me try clarifying this further, how about: > > > > copyleft-next-0.3.1 is explicitly compatible with GPLv2 (or later) and > > can therefore be used for kernel code. Despite this, if you use > > copyleft-next-0.3.1 on Linux, the recommended practice is to express > > dual licensing with GPL using in the SPDX license identifiers by > > using by the OR operator. > > 'using in the ..' ? > > and > > 'by using by' is off by one 'by' :) > > I'm not seeing how that clarifies stuff further. I might be biased, but > the version I suggested is crystal clear. Oh sorry, I didn't realize the paragraph you posted was a suggestion, I thought it was the one you were indicating needed further enhancement! I'll just take yours then. > >> > + To use the copyleft-next-0.3.1 license put the following SPDX tag/value > >> > + pair into a comment according to the placement guidelines in the > >> > + licensing rules documentation: > >> > + SPDX-License-Identifier: GPL-2.0 OR copyleft-next-0.3.1 > >> > + SPDX-License-Identifier: GPL-2.0-only OR copyleft-next 0.3.1 > >> > + SPDX-License-Identifier: GPL-2.0+ OR copyleft-next-0.3.1 > >> > + SPDX-License-Identifier: GPL-2.0-or-later OR copyleft-next-0.3.1 > >> > >> Please don't propagate the GPL-2.0 and GPL-2.0+ tags. They are > >> outdated (still valid) in the SPDX spec, which reminds me that I should > >> update the relevant documentation... > > > > OK thanks for the recommendation, I'll leave it at: > > > > + SPDX-License-Identifier: GPL-2.0 OR copyleft-next-0.3.1 > > SPDX-License-Identifier: GPL-2.0-only OR copyleft-next-0.3.1 > > please. See my previous reply quoted above. > > > + SPDX-License-Identifier: GPL-2.0-or-later OR copyleft-next-0.3.1 Sorry I hadn't had my coffee yet so I should only list: SPDX-License-Identifier: GPL-2.0-only OR copyleft-next 0.3.1 SPDX-License-Identifier: GPL-2.0-or-later OR copyleft-next-0.3.1 Will do this on the next spin. Luis
