anchor.diff:    # Python: Autocompletion generated from manpages and config editing
     propagatedBuildInputs = [
       coreutils gnugrep gnused bc
  -    python groff gettext
  +    python3 groff gettext
     ] ++ optional (!stdenv.isDarwin) man-db;
   
     postInstall = ''
  
positive.code:            "$out/share/fish/functions/__fish_print_help.fish"
      sed -i "s|/sbin /usr/sbin||" \
             "$out/share/fish/functions/__fish_complete_subcommand_root.fish"
      sed -e "s|clear;|${ncurses.out}/bin/clear;|" \
          -i "$out/share/fish/functions/fish_default_key_bindings.fish" \
  
    '' + optionalString stdenv.isLinux ''
      sed -e "s| ul| ${utillinux}/bin/ul|" \
  
negative.code: { stdenv, fetchurl, coreutils, utillinux,
    nettools, kbd, bc, which, gnused, gnugrep,
    groff, man-db, glibc, libiconv, pcre2,
    gettext, ncurses, python3
  
    , writeText
  
    , useOperatingSystemEtc ? true
  
  }:
  
  with stdenv.lib;
  