Little language/grammar fixup.

system.

Added semaphore support to MIT-pthreads.

This avoids using fulltext keys for table scanning.
This also reverts Sinisa's original fix for this problem.

make some new mistakes.

  Emphasize that the size and the signedness of integer types has to be the same in a foreign key constraint

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

This one is better, but should not be final.

Better fix is to make some changes in ha_myisammrg::index_read

This patch also reverts my previous one ...

This fixes that mysamchk --sort-records works on windows.

header in x86 assemler files instead of eating the whole file

into fred.bitbike.com:/home/arjen/mysql-4.0

Added missing checking of no_keyread

with aggregating functions.

This consistently crashed Mysql

for a seemingly impoosbile conds in WHERE....

This crashed MySQL in 4.0.2

A better fix would be to have a map of tables that are not used at all, 
and to annul just fledls in that TABLE.