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Modified the syntax again to talk about "guards" (which are pattern guards,
boolean guards, and let expressions) .  Moved the "Pattern guards" section
I created before into the Case Expressions section.

This is a very rough draft in order to get some discussion going, and
does not touch the semantic explanations, which will still need to be
done.

  a) formatting
  b) index entries

Many due to Ross Paterson, Simon Marlow, Malcolm Wallace.

This is pretty much exactly what CUP will publish as the Haskell 98 book.
(I say "pretty much" because CUP got a set of sources a month or two ago,
and have been modifying them independently, so some formatting changes
might differ slightly.)

  a) formatting
  b) index entries
  c) cross references (to 'chapter' not 'section' now the
     Report is a book)

All due to Ross Paterson

	This version should typeset the
	Haskell 98 language and libraries
	as a single book rather than as
	two separate reports.
	--------------------------------

	Just pre-CUP-publication version
	--------------------------------

Includes all the changes that are in the CUP published version,
but still as two separate reports.  Next thing to do is to merge them.