Origin for each line in LICENSE from check-in ab6ebcab4c:

ab6ebcab4c 2021-03-04 trnsz@pobox.c: Date: Fri, 5 Mar 2021 00:39:52 +0900 (03/04/2021 10:39:52 AM)
ab6ebcab4c 2021-03-04 trnsz@pobox.c: 
ab6ebcab4c 2021-03-04 trnsz@pobox.c: Hello,
ab6ebcab4c 2021-03-04 trnsz@pobox.c: 
ab6ebcab4c 2021-03-04 trnsz@pobox.c: Thank you for your email and for your efforts to make REDUCE available
ab6ebcab4c 2021-03-04 trnsz@pobox.c: to a wider audience.
ab6ebcab4c 2021-03-04 trnsz@pobox.c: 
ab6ebcab4c 2021-03-04 trnsz@pobox.c: By all means, please feel free to mirror the files bundled with iCAS.
ab6ebcab4c 2021-03-04 trnsz@pobox.c: 
ab6ebcab4c 2021-03-04 trnsz@pobox.c: They are not copyrighted material so please feel free to provide them as is.
ab6ebcab4c 2021-03-04 trnsz@pobox.c: 
ab6ebcab4c 2021-03-04 trnsz@pobox.c: Best Regards,
ab6ebcab4c 2021-03-04 trnsz@pobox.c: 
ab6ebcab4c 2021-03-04 trnsz@pobox.c: --
ab6ebcab4c 2021-03-04 trnsz@pobox.c: Antonio Lagana
ab6ebcab4c 2021-03-04 trnsz@pobox.c: AL Software
ab6ebcab4c 2021-03-04 trnsz@pobox.c: support@alsoftiphone.com