[cvs-nhc98] patch applied (hat): Improve various comments, error messages, and formatting.

Thu Aug 23 08:03:37 PDT 2001 malcolm * Improve various comments, error messages, and formatting. Merged from stable-1-06-branch. M ./src/compiler98/Main.hs -7 +11 M ./src/compiler98/Need.hs -9 +17 M ./src/compiler98/NeedLib.hs -2 +10 M ./src/compiler98/PreImport.hs -30 +45 M ./src/compiler98/PrettySyntax.hs +17