xorg-sgml-doctools: xorg-sgml-doctools xorg-sgml-doctools: xorg-sgml-doctools: xorg-sgml-doctools is part of X11. xorg-sgml-doctools: xorg-sgml-doctools: For more information about the X.Org Foundation (the providers of the xorg-sgml-doctools: X.Org implementation of the X Window System), see their website: xorg-sgml-doctools: xorg-sgml-doctools: http://www.x.org xorg-sgml-doctools: xorg-sgml-doctools: xorg-sgml-doctools: