Don't free memory from InnoDB at exit (as this may be done before other threads are finnished)

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

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

Portability fixes for HPUX
Rename of CHECK_LOCK to IS_FREE_LOCK
Apply lower_case_table_names also to databases
Cleanup of describe code
Don't allow \ in database names

added -H (--HELP) to myisamchk to get a list of all the options it accepts (including debug and internal ones).

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

into teton.kitebird.com:/home/paul/mysql-4.0

This is also my first attempt to commit and push

into sinisa.nasamreza.org:/mnt/work/mysql-4.0

* binary XOR
* logical XOR
* CHECK_LOCK("lock_name")

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

(Needed for query cache for systems which doesn't have native semaphores)

Portability fixes.
Removed compiler warnings.

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

Portability fix in safemalloc.c