	<ai>
	<autoformat>
	<basename>
	<case>
	<charset>
	<comment>
	<?comment ?>
	<default>
	<dirname>
	<doc>
	<foldlist>
	<format-number>
	<obox>
	<random>
	<recode>
	<replace>
	<sed>
	<smallcaps>
	<sort>
	<spell>
	<strlen>
	<substring>
	<tablify>
	<trim>
	<trimlines>
	<wash-html>

<?comment ?>

Provided by module: Tags: RXML tags

Processing instruction tag for comments. This tag is similar to the RXML <comment> tag but should be used when commenting arbitrary text that doesn't contain '?>'.

<?comment
  This comment will not ever be shown.
?>