send the response without a Content-Type header field and the
recipient may attempt to guess the media type.</p>
</usage>
+<seealso><directive module="core">UnDefine</directive></seealso>
+<seealso><directive module="core">IfDefine</directive></seealso>
</directivesynopsis>
<directivesynopsis>
the changes it makes are visible to any later configuration
directives, beyond any enclosing virtual host.</p>
</usage>
+<seealso><directive module="core">Define</directive></seealso>
+<seealso><directive module="core">IfDefine</directive></seealso>
</directivesynopsis>
<directivesynopsis>