Correct license
According to https://github.com/fish-shell/fish-shell/blob/3.7.1/doc_src/license.rst Fish's license seems to be bit more intricate than just GPL2. I tried my best to capture this in an SPDX expression.
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According to https://github.com/fish-shell/fish-shell/blob/3.7.1/doc_src/license.rst Fish's license seems to be bit more intricate than just GPL2. I tried my best to capture this in an SPDX expression.