Re: [PR PATCH] [Updated] [RFC] Manual.md: use SPDX expressions for license=

[classabbyamp <classabbyamp@users.noreply.github.com>]

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There is an updated pull request by classabbyamp against master on the void-packages repository

https://github.com/classabbyamp/void-packages spdx
https://github.com/void-linux/void-packages/pull/50819

[RFC] Manual.md: use SPDX expressions for license=
see also: https://github.com/void-linux/void-packages/issues/48303

xlint supports parsing this since leahneukirchen/xtools#322

SPDX expressions are more expressive and accurate than the comma-separated format, and WITH has already been usable for a long time.

I propose that existing multi-licence strings be changed in batches (if someone wants to spend the time) or as templates are modified.

@void-linux/pkg-committers


A patch file from https://github.com/void-linux/void-packages/pull/50819.patch is attached

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From ac1f4952ecf34328f0186524a5066c4d06d00d61 Mon Sep 17 00:00:00 2001
From: classabbyamp <void@placeviolette.net>
Date: Thu, 13 Jun 2024 13:49:51 -0400
Subject: [PATCH] Manual.md: use SPDX expressions for license=

xlint supports parsing this since leahneukirchen/xtools#322

SPDX expressions are more expressive and accurate than the
comma-separated format, and WITH has already been usable for a long
time.
---
 Manual.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Manual.md b/Manual.md
index 507a18729459bb..1cc0ea701b592c 100644
--- a/Manual.md
+++ b/Manual.md
@@ -439,7 +439,12 @@ The list of mandatory variables for a template:
 - <a id="var_license"></a>
 `license` A string matching the license's [SPDX Short identifier](https://spdx.org/licenses),
 `Public Domain`, or string prefixed with `custom:` for other licenses.
-Multiple licenses should be separated by commas, Example: `GPL-3.0-or-later, custom:Hugware`.
+Multiple licenses should be listed as an
+[SPDX license expression](https://spdx.github.io/spdx-spec/v3.0/annexes/SPDX-license-expressions/)
+(examples: `MIT OR Apache-2.0`, `MIT AND (LGPL-2.1-or-later OR BSD-3-Clause)`).
+Usage of `AND`, `OR`, `WITH`, and `()` are supported by xlint. The legacy
+comma-separated format should be converted when encountered (example:
+`GPL-3.0-or-later, custom:Hugware`).
 
   Empty meta-packages that don't include any files
   and thus have and require no license should use