[cvs-nhc98] patch applied (hat): In hat-explore:

[Malcolm Wallace]

Mon Mar  4 08:52:23 PST 2002  malcolm
  * In hat-explore:
    * add a status line - shows messages, and usually the current srcref
    * add commands to change the cutoff-depth
    * add an `always-show-equations' mode
    * support multi-character commands on the bottom line
    * the = key now toggles the current equation on/off
    * the = key takes you immediately to the RHS
    * the action of the [ ] movement keys is now bound to < and >
    * shrink and expand are now - and +

    M ./src/hattools/HighlightStyle.hs +4
    M ./src/hattools/SExp.hs -6 +9