Clarified lower_case_table_names behaviour for 4.0.2

@item @code{lower_case_table_names}

If set to 1 table names are stored in lowercase on disk and table

names will be case-insensitive.

From version 4.0.2, this option also applies to database names.

@xref{Name case sensitivity}.

@item @code{max_allowed_packet}

Unix.

If @code{lower_case_table_names} is 1 MySQL will convert all

table names to lower case on storage and lookup.  Note that if you

change this option, you need to first convert your old table names to

lower case before starting @code{mysqld}.

table names to lower case on storage and lookup.

(From version 4.0.2, this option also applies to database names.)

Note that if you change this option, you need to first convert your old

table names to lower case before starting @code{mysqld}.

If you move @code{MyISAM} files from a Windows to a *nix disk, you may

in some cases need to use the @file{mysql_fix_extensions} tool to fix-up

@item

Don't allow database names that contain @samp{\}.

@item

@code{lower_case_table_names} now also affects created and dropped databases.

@code{lower_case_table_names} now also affects database names.

@item

Added @code{XOR} operator (logical and bitwise @code{XOR}) with @code{^}

as a synonym for bitwise @code{XOR}.