2.5.39 released November 21, 1999

- default backfill_depth reduced to 8
- bugfix in defend1
- prioritization of moves in attack3 and defend3
- bugfix in attack2
- one new eye pattern
- several new move reasons
- several new pattern classes
- maximum number of patterns increased to 3000 in mkpat.c
- minor tuning of patterns.db
- block/expand and fuseki patterns adapted to new move generation scheme
- bugfixes and tweaking of move generation