SUMMARY LicenseRef-KDE-Accepted-GPL is not a license defined by SPDX 2.1. I doubt it's ok to use this in SPDX header. Problem introduced in http://commits.kde.org/kio-extras/46b5fb425c148b9a6b02eed3ef25f14feb5996ba STEPS TO REPRODUCE 1. 2. 3. OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
It's a reference to the license defined in LICENSES/LicenseRef-KDE-Accepted-GPL.txt See https://spdx.github.io/spdx-spec/SPDX-license-expressions/
I see. Thank you!