Log Message:
Changes 5.5.33:

* Previously, program options could be specified in full or as any unambiguous \ 
prefix. For example, the --compress option could be given to mysqldump as \ 
--compr, but not as --comp because the latter is ambiguous. Option prefixes now \ 
are deprecated. They can cause problems when new options are implemented for \ 
programs. A prefix that is currently unambiguous might become ambiguous in the \ 
future. If an unambiguous prefix is given, a warning now occurs to provide \ 
feedback. For example:

Warning: Using unique option prefix compr instead of compress is
deprecated and will be removed in a future release. Please use the
full name instead.

Option prefixes are no longer supported in MySQL 5.7; only full options are accepted.

* comp_err now checks to make sure that new errors are not being added to MySQL \ 
5.1 or 5.5 because the set of errors for these series is frozen.

* Bugs Fixed