preferred key block length for ft index

  Added check for duplicate column in key
  Added tests and fixed tests which exploit bug

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

  bug#6705 - (+trunc1* +trunc2*)
fulltext.test, fulltext.result:
  bug#6705

into mysql.com:/space/my/mysql-4.1-build

into serg.mylan:/usr/home/serg/Abk/mysql-4.1

into poseidon.ndb.mysql.com:/home/tomas/mysql-4.1-clean

  Better variable names in dump.
  Dump tertiary weight in reverse order, to sort upper letters before their lower counterparts.

into serg.mylan:/usr/home/serg/Abk/mysql-4.1

range for BETWEEN typo fixed

into mysql.com:/usr/local/home/marty/MySQL/test/mysql-4.1

into hundin.mysql.fi:/home/jan/mysql-4.1

into mysql.com:/home/dlenev/src/mysql-4.1-bg6462

into mysql.com:/usr/local/home/marty/MySQL/test/mysql-4.1

into mysql.com:/home/dlenev/src/mysql-4.1-bg6462

results." a.k.a. "Proper cleanup of subqueries is missing for SET and DO
statements". (Version #2 with after-review fixes).

To perform proper cleanup for statements that can contain subqueries 
but don't have main select we must call free_undelaid_joins().

  Mofidications to dump secondary and tertiary weigthts
  And some minor improvements

- A new flag MY_CS_CSSORT was introduced for case sensitivity.
- Item_func_regexp doesn't substiture ICASE not only
  for binary collations but for case sensitive collations as well. 

  Print a warning to the .err log if the InnoDB history list length is > 20 000 even though purge reaches the list head; this is to track corruption reported on the MySQL mailing list Nov 9, 2004
lock0lock.c:
  Let SHOW INNODB STATUS print the history list length

into mysql.com:/orca/space/pekka/ndb/version/my41

 of <parameter> IS NULL":
we must not only set Item::null_value in Item_param, but implement
Item_param::is_null() to work well with IS NULL/IS NOT NULL clauses.

  Tweak some help text.

into mysql.com:/home/dlenev/src/mysql-4.1-bg6266

into mysql.com:/home/dlenev/src/mysql-4.1-bg6439

into mysql.com:/home/cps/mysql/trees/mysql-4.1

  reverting linking ndbclisnt to mysqladmin.cc

  reverting my last fix

into poseidon.ndb.mysql.com:/home/tomas/mysql-4.1

    fixed erroneous error message - set auto increment was done even if create table failed so real error message got lost behind "table not found"
    and simplified code a bit

wrong datetime values for too big argument" from 4.0 tree to 4.1 tree.

into mysql.com:/space/pekka/ndb/version/my41