2.7.131 released July 12, 2000

- references to the escape2 field of struct dragon_data removed from
  interface/debugboard/gui.c
- new variables mouse_branch_depth and mouse_reading_depth
- new options --mouse_branch and --mouse_reading
- mouse reads only one node when stackp>mouse_branch_depth
- reading terminates when stackp>mouse_reading_depth
- doc revision
- revised dragon_escape() to allow kosumi directly from dragon
- revised effect of I class influence patterns when computing escape
  influence 
- find_influence_patterns() add influence barriers "manually" when
  computing escape influence
- dragon under consideration is now allowed to contribute influence during
  computation of escape influence
- mouse_find_lunches() made static to mouse.c
- new autohelper function mouse_escape_value
- 7 new patterns in mouse_defendpats.db, aiming at escape
- new function mouse_connection_defends() in mouse.c
- code revised in do_mouse_attack(), do_mouse_defend(), and
  mouse_mark_dragon() 
- mouse_mark_dragon now can take either one or two dragons
- bugfix in do_mouse_attack(), two loop end coditions were off by one
- bugfix in do_mouse_attack() and do_mouse_defend(), the second most
  important move was removed when pattern of value 99 found, but not third
  most important one
- move_safety field of move_data struct initialized correctly in
  move_reasons.c
- examine_move_safety() revised
- order of examine_move_safety() and induce_secondary_move_reasons() calls
  reversed in review_move_reasons()
- same_dragon() in utils.c revised to be able to deal with the "no dragon"
  case, i.e. (-1, -1) coordinates
- effective_move measure revised to never include intersections further
  away than distance 4