[cvs-nhc98] patch applied (hat): Added more comment to the pretty printing modules.

[Malcolm Wallace]

Tue Aug  8 11:15:06 PDT 2000  olaf
  * Added more comment to the pretty printing modules.
  
  Made module Extra to export trace.
  All modules needing trace now import it from Extra and don't need any
  preprocessor commands that determine the used compiler.

    M ./src/compiler98/Case.hs -38 +4
    M ./src/compiler98/DbgDataTrans.hs -11 +2
    M ./src/compiler98/DbgDumpSRIDTable.hs -7 +1
    M ./src/compiler98/DbgDumpSRIDTableC.hs -7 +1
    M ./src/compiler98/DbgReplaceConstr.hs -7 +1
    M ./src/compiler98/DbgReplaceListInsts.hs -6 +3
    M ./src/compiler98/DbgTrans.hs -11 +1
    M ./src/compiler98/Extra.hs -1 +1
    M ./src/compiler98/FSLib.hs -5 +23
    M ./src/compiler98/Foreign.hs -6 +1
    M ./src/compiler98/Main.hs -8 +1
    M ./src/compiler98/Rename.hs -3 +4
    M ./src/compiler98/TokenId.hs -11 +68