RedirectedUrl: version 1.5-r1: HOMEPAGE: permanently redirected: https://gap.nongnu.org/zipper -> https://gap.nongnu.org/zipper/
  RedirectedUrl: version 1.5-r1: SRC_URI: permanently redirected: https://savannah.nongnu.org/download/gap/Zipper-1.5.tar.gz -> http://download.savannah.gnu.org/releases/gap/Zipper-1.5.tar.gz