Fixes for building MySQL with gcc 3.0
Added SIGNED / UNSIGNED casts
Fixed core dump bug in net_clear() with libmysqld.
Back to using semaphores in query cache.
Added 'Null' and 'Index_type' to SHOW INDEX.

Fix problem with query cache and database names

into serg.mysql.com:/usr/home/serg/Abk/mysql-4.0

into hundin.mysql.fi:/my/bk/mysql-4.0

Change tests to use database 'mysqltest' instead of 'foo'
Add option to not print access denied messages to check_table_access()

  Lower max key len to 3500 bytes because a secondary index record must also contain the primary key value

  Make sure no memory overrun of key buffer in range estimation

  Update OLEDB section

HA_NO_FULLTEXT_KEY property -> HA_CAN_FULLTEXT

Fixed data corruption bug in query cache.
Made queries be dependent of the database in use.

  Allow equal key values in a unique secondary index if the key value contains an SQL NULL

manual updated

  Add warnings to recovery in some cases where log file might be corrupt and consequently recovery can be trusted less than normally

Fix pthread_mutex_trylock on HPUX (needed for query cache).

Added info about two new Query Cache status variables.

Changed 'send_file_to_server' to use less stack (Fixed replication problem on OSF1).

instead of DO RELEASE_LOCK()

  Add better instructions on how to specify innodb_data_file_path etc.

Portability fixes.
Fixed bug in mysqlbinlog when detecting binary log version