@ mysql-test/r/func_str.result
   Adding tests
@ mysql-test/t/func_str.test
   Adding tests
@ mysql-test/t/variables.test
   Fixing error number
@ sql/item_create.cc
   Allowing 2 and 3 arguments to format()
@ sql/item_strfunc.cc
   Adding new formatting code.
@ sql/item_strfunc.h
   Adding new contructors and "locale" member
@ sql/mysql_priv.h
   Adding number formatting members into MY_LOCALE
@ sql/sql_locale.cc
   Adding number formatting data into locale constants
@ sql/set_var.cc
   Using new error message
@ sql/share/errmgs.txt
   Adding new error message