<?xml version='1.0'?><!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"                    "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"                      [<!ENTITY faq            SYSTEM "faq.xml"><!ENTITY haskell98      SYSTEM "haskell98.xml"><!ENTITY hugs-ghc       SYSTEM "hugs_ghc.xml"><!ENTITY hugs-only      SYSTEM "hugs_only.xml"><!ENTITY introduction   SYSTEM "introduction.xml"><!ENTITY license        SYSTEM "license.xml"><!ENTITY miscellaneous  SYSTEM "miscellaneous.xml"><!ENTITY options        SYSTEM "options.xml"><!ENTITY others         SYSTEM "others.xml"><!ENTITY using-hugs     SYSTEM "using_hugs.xml"><!ENTITY % ISOpub PUBLIC       "ISO 8879:1986//ENTITIES Publishing//EN//XML"       "http://www.oasis-open.org/docbook/xmlcharent/0.3/iso-pub.ent">%ISOpub;<!ENTITY % ISOtech PUBLIC       "ISO 8879:1986//ENTITIES General Technical//EN//XML"       "http://www.oasis-open.org/docbook/xmlcharent/0.3/iso-tech.ent">%ISOtech;]><book id="users-guide"><bookinfo><title>The Hugs 98 User's Guide</title></bookinfo> &license;&introduction;&using-hugs;&options;&others;&haskell98;&hugs-ghc;&hugs-only;&faq;&miscellaneous; </book>