p>
  There is no specific file format for these files, other than they are valid
  Object Pascal source code.
</p>

<h2>
  Encoding
</h2>

<p>
  The encoding used for test units depends on the content of the unit.
</p>

<p>
  If the unit's source code contains only characters that are supported by the
  system default ANSI code page then the file is saved using that encoding.
</p>

<p>
  If the source code contains one or more characters that cannot be represented
  in the default ANSI code page then the fi