[cvs-nhc98] patch applied (hat): Centralized the Haskell 1.4 => Haskell 98 change of " isAlphanum" => " isAlphaNum"

[Malcolm Wallace]

Sun Jun 20 10:13:36 PDT 2004  panne
  * Centralized the Haskell 1.4 => Haskell 98 change of "isAlphanum" => "isAlphaNum"

    M ./src/compiler98/GcodeLow.hs -7 +2
    M ./src/compiler98/LexLow.hs -6 +2
    M ./src/compiler98/LexPre.hs -7 +3
    M ./src/compiler98/PrettySyntax.hs -6 +1
    M ./src/compiler98/SysDeps.hs -1 +10