patch applied (packages/Cabal): cleanups to user's guide

[Ross Paterson]

Sun Sep 10 07:44:28 PDT 2006  Ross Paterson <ross at soi.city.ac.uk>
  * cleanups to user's guide
  
   * markup fixes
   * spelling
   * id's for some elements to avoid warnings
   * mention the use of Description field by setup haddock
   * clean up --hoogle description

    M ./doc/Cabal.xml -19 +27