(specifications->manifest
 (map symbol->string
      '(bash
        coreutils
        findutils
        diffutils
        grep
        sed
        m4
        git
        tar
        gawk
        make
        graphviz
        shellcheck
        pandoc
        gettext
        po4a-text
        mdpo-patched
        hunspell
        hunspell-dict-en-utf8
        hunspell-dict-pt-utf8
        hunspell-dict-fr-utf8
        hunspell-dict-eo-utf8)))