depends  dialog       &&
depends  ed           &&
depends  zlib         &&
depends  w3c-libwww   &&
depends  texinfo      &&
depends  teTeX-texmf  &&
optional_depends  "xfree86" ""  "--without-x11" "for GUI support"
optional_depends  "libpng"  "--with-system-pnglib"  ""  "for png support"
