BitKeeper/etc/logging_ok:
  auto-union
Docs/manual.texi:
  Auto merged
client/mysqltest.c:
  Auto merged
mysql-test/r/alter_table.result:
  Auto merged
mysql-test/r/func_math.result:
  Auto merged
sql/hostname.cc:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sql_analyse.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_yacc.yy:
  merge with 4.0