2.7.11 released January 2, 1999

- all remaining patterns in patterns.db adapted to new move generation scheme
- format of ":" lines in pattern databases changed
- joseki.c updated to produce new database format
- patterns in conn.db can have action lines
- three new autohelpers: dragonsize(), wormsize(), and potential_cutstone()
- patterns are no longer sorted in mkpat and min weight optimization
  removed from matchpat
- updated documentation of autohelpers in docs/PATTERNS
- value field in worm_data and dragon_data obsoleted and removed
- obsolete section removed from docs/PATTERNS
- obsolete pattern classes Q and q removed, remaining ones slightly reordered
- B, C, a, d patterns work on up to five dragons (previously max two or one)
- improved tunability of patterns, possible to specify min and max
  territorial and total values
- many helpers converted to constraints and removed
- join_dragons() no longer need to be called with origins of dragons
- wind assistance and moyo assistance functions obsoleted and removed
- connection_value() and compute_score() obsoleted and removed
- attack_either move reason rejected if one of the strings is defenseless
- old style move values no longer used in move generation
- shape value effect changed from additive to multiplicative
- random contribution to move value decreased
- tuning