Many changes to improve error handling, and fix problem of multiple packaging processes trampling each other (32 & 64bit at the same time)

into here.mwagner.org:/Users/mwagner/work/bk/mysql-4.1

  Add new manual.texi include files

into mysql.com:/home/bk/b8412-mysql-4.0

into mysql.com:/home/mysql_src/mysql-4.1-clean

start_waiting_global_read_lock() should wake up all those who are waiting
for protect_against_global_read_lock to go down to 0: those registered in waiting_for_read_lock
AND those registered in global_read_lock_blocks_commit.

into mysql.com:/usr/home/bar/mysql-4.1

  Activate Unicode collations in Windows version.

   make sure transporter connections are close early in shutdown

into mysql.com:/home/jimw/my/mysql-4.1-clean

into mysql.com:/home/jimw/my/mysql-4.1-clean

into mysql.com:/home/bkroot/mysql-4.1

into mysql.com:/home/my/mysql-4.1

What we need to be able to set in myisamchk is
actually a collation, not a character set. This
fix just changes to display the proper error message. 

into 51.0.168.192.in-addr.arpa:/Users/bell/mysql/bk/work-4.1

independently from the expression it is initialized from.
In other words, this change treats a user variable like
a table with one column and one record. Discussed with 
PeterG, Serg and Lars. This change also simplifies replication
allowing not to replicate variables' coercibility.

into 51.0.168.192.in-addr.arpa:/Users/bell/mysql/bk/work-4.1

into mysql.com:/home/my/mysql-4.1

Change string->float conversion to delay division as long as possible.
This gives us more exact integer->float conversion for numbers of type '123.45E+02' (Bug #7740)

  Treat unknown characters straight in a query as syntax error, rather skipping it as a space character.

  optimize test_if_minus() when not UCS2 support is compiled.

  Fix compiler complaint.

  Bugs: #8385: utf8_general_ci treats cyrillic letters I and SHORT I as the same