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writeDtdToFile
==============

Creates a DTD that specifies the layout for data XML files.
          
This sub task does not require a database connection, so the ``dataSource`` subelement can be omitted.

Attributes
----------
    
``failOnError``
    :Required: no
    :Allowed: ``true``, ``false``
    :Default: ``true``
    :Meaning: Specifies whether the execution shall stop if an error has occurred while the task runs.

``outputFile``
    :Required: yes
    :Allowed:
    :Default:
    :Meaning: The name of the file to write the DTD to.