Lintian has problems parsing this, so other tools may fail in a similar
way. The "or other" part is explained in the comment below, and for
packaging purposes, GPL-3 is just fine.
Files: include/gpac/internal/reedsolomon.h
src/media_tools/reedsolomon.c
Copyright: © 1991-1996, Henry Minsky (hqm@ua.com), Universal Access Inc.
-License: GPL-3+ or other
+License: GPL-3+
Comment: Copyright information is not given in the source files, however, the
website where this code can be found states that this code is licensed under
the GPL-3+, with the option of licensing the code under different terms.