patch applied (haskell-prime-report): very rough draft of informal pattern-guard (qualifiers) explanations

Sun Jan 7 19:26:27 PST 2007 ijones@syntaxpolice.org * very rough draft of informal pattern-guard (qualifiers) explanations 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. M ./report/exps.verb -48 +63