octave-symbolic	2.9.0	3.1.1	http://mirror.yandex.ru/fedora/linux/development/rawhide/Everything/source/tree/Packages/o/octave-symbolic-3.1.1-4.fc39.src.rpm
octave-symbolic	2.9.0	3.1.1	https://github.com/cbm755/octsympy/releases/tag/v3.1.1