create_tmp_table fails.

WHERE column_name = key_column_name was calculated as true
for NULL values.

Allocate HEAP blocks in smaller blocks to get better memory utilization and more speed when used with safemalloc.
Don't initalize memory areas when run with --skip-safemalloc.

 - bumped up version number to 3.23.54 in configure.in
 - replaced Docs/LICENSE with Docs/MySQLEULA.txt and modified
   scripts/make_binary_distribution.sh and Build-tools/mysql-copyright*
   accordingly.

GROUP BY ... ORDER BY queries.

  Fix compilation error on HP-UX-11: pthread_t is a scalar there, not a struct like in HP-UX-10.20

  Fix bug: if skip-innodb was defined SHOW INNODB STATUS crashed

  test

into mysql.com:/home/nick/mysql/mysql-3.23

(possibly also fixes binlog filename corruption problems--hasn't
been reproduced since)

  SHOW INNODB STATUS always showed average bytes read as 0 in Unix

  Do not let range estimator to return over 1 / 2 of total rows in table; use longlong in range estimation
btr0cur.h, ha_innobase.cc:
  Use longlong in range estimation, in case there are > 4 billion rows

into sinisa.nasamreza.org:/mnt/work/mysql

  Fix bug: if SHOW INNODB STATUS or innodb_monitor printed several hundred transactions, the output was truncated and we forgot to release the kernel mutex

  Remove unintentionally pushed assert

into hundin.mysql.fi:/home/heikki/mysql

into mysql.com:/space/my/mysql-3.23

   InnoDB, so test it after InnoDB)

  Backport from 4.0.4 the bug fix of the crash when a temporary table was created inside LOCK TABLES and used

  Fix the probable reason why InnoDB versions after July 2, 2002 did not start properly in some Win 95/98/ME computers