patch applied (ghc): Documentation updates

[Ian Lynagh]

Tue Oct  3 07:26:58 PDT 2006  Ian Lynagh <igloo at earth.li>
  * Documentation updates

    M ./docs/users_guide/6.6-notes.xml -2 +3
    M ./docs/users_guide/debugging.xml -65
    M ./docs/users_guide/flags.xml -56 +1
    M ./docs/users_guide/glasgow_exts.xml -4 +2
    M ./docs/users_guide/using.xml -27 +1