[cvs-nhc98] patch applied (hat): Refactor all the common user-interface options into a separate module,

[Malcolm Wallace]

Wed Apr 16 08:54:05 PDT 2003  malcolm
  * Refactor all the common user-interface options into a separate module,
  CommonUI.  This reduces code duplication, and should help to ensure
  that the various hat tools do not drift apart.

    A ./src/hattools/CommonUI.hs
    M ./src/hattools/HatObserve.hs -179 +48
    M ./src/hattools/HatTrail.hs -94 +50
    M ./src/hattools/Makefile -3 +10
    M ./src/hattools/SExp.hs -8 +15