if  !  module_installed emacs &&
    !  module_installed vim
then

message "Choose emacs with psgml and/or vim for editing docbook code"

    optional_depends  "emacs" "" "" "for editing docbook code"
    optional_depends  "vim"   "" "" "for editing docbook code"
fi

if module_installed emacs
then
    message ""
    message "Emacs detected!"
    message ""
    message "Checking for major-mode psgml which is essential for docbook work!"
    message ""
    depends psgml
fi

depends  docbook-dtd-xml      &&
depends  docbook-xsl          &&
depends  docbook-utils        &&
depends  docbook-book         &&
optional_depends  "linuxdoc-tools" "" "" "These are the old linuxdoc tools. You may or may not need them!"
