spdx polish

tex/report.bib

@@ -1,24 +1,5 @@
-% The MIT License (MIT)
-%
-% Copyright (c) 2021-2025 Yegor Bugayenko
-%
-% Permission is hereby granted, free of charge, to any person obtaining a copy
-% of this software and associated documentation files (the "Software"), to deal
-% in the Software without restriction, including without limitation the rights
-% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-% copies of the Software, and to permit persons to whom the Software is
-% furnished to do so, subject to the following conditions:
-%
-% The above copyright notice and this permission notice shall be included
-% in all copies or substantial portions of the Software.
-%
-% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-% FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
-% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-% SOFTWARE.
+% SPDX-FileCopyrightText: Copyright (c) 2021-2025 Yegor Bugayenko
+% SPDX-License-Identifier: MIT
 
 @misc{cam2024,
   archiveprefix = {arXiv},