  * **mysql.E001**: MySQL/MariaDB does not allow unique ``CharField``\s to have a
    ``max_length`` > 255. *This check was changed to* ``mysql.W003`` *in Django
    3.1 as the real maximum size depends on many factors.*
  * **mysql.W002**: MySQL/MariaDB Strict Mode is not set for database connection
    '<alias>'. See also :ref:`mysql-sql-mode`.
  * **mysql.W003**: MySQL/MariaDB may not allow unique ``CharField``\s to have a
    ``max_length`` > 255.
  
  Model fields
  ------------
 
</s> remove   attacks. *This check is removed in Django 3.0 as the ``X-XSS-Protection``
  header is no longer honored by modern browsers.*
 </s> add   attacks. *This check is removed in Django 3.0 as the* ``X-XSS-Protection``
  *header is no longer honored by modern browsers.* </s> remove     messages about *`"Synchronous middleware ... adapted"*.
 </s> add     messages about *"Synchronous middleware ... adapted"*.
  ``<alias>``. See also :ref:`mysql-sql-mode`.
  * **mysql.E001**: MySQL/MariaDB does not allow unique ``CharField``\s to have a
    ``max_length`` > 255. *This check was changed to* ``mysql.W003`` *in Django
    3.1 as the real maximum size depends on many factors.*
  * **mysql.W002**: MySQL/MariaDB Strict Mode is not set for database connection
  ``<alias>``. See also :ref:`mysql-sql-mode`.
  * **mysql.W003**: MySQL/MariaDB may not allow unique ``CharField``\s to have a
    ``max_length`` > 255.
  
  Model fields
  ------------
keep keep keep keep replace keep keep keep keep keep
 Fixed some formatting issues in docs. 
docs/ref/checks.txt