DeadUrl: version 5.9-r6: SRC_URI: 404 Client Error: Not Found for url: https://www.zsh.org/pub/old/zsh-5.9.tar.xz
  RedirectedUrl: version 5.9-r6: SRC_URI: permanently redirected: https://downloads.sourceforge.net/zsh/zsh-5.9-doc.tar.xz -> https://downloads.sourceforge.net/project/zsh/zsh-doc/5.9/zsh-5.9-doc.tar.xz
  RedirectedUrl: version 5.9-r6: SRC_URI: permanently redirected: https://downloads.sourceforge.net/zsh/zsh-5.9.tar.xz -> https://downloads.sourceforge.net/project/zsh/zsh/5.9/zsh-5.9.tar.xz