[cvs-nhc98] patch applied (hat): Changed tracing transforming (DbgTrans) to handle guards for case expressions, function bindings and pattern bindings consistently and correctly.

[Malcolm Wallace]

Tue Feb  6 09:02:43 PST 2001  olaf
  * Changed tracing transforming (DbgTrans) to handle guards for case expressions, function bindings and pattern bindings consistently and correctly.
  
  Also started to clean up transformation to make explicit where expressions are constructed that construct trace nodes.

    M ./src/compiler98/DbgId.hs -1 +3
    M ./src/compiler98/DbgTrans.hs -243 +289