From b2evolution manual

This template tag displays allowed tags for comment.

[edit] Example

<source lang="php"> comment_allowed_tags( $format = 'htmlbody' ); </source>

[edit] Parameters

Name	Default	Usage
format	'htmlbody'	Format to output. It can be one of the following values: 'raw', 'htmlbody', 'urlencoded', 'entityencoded', 'htmlhead', 'htmlattr', 'formvalue', 'xml', 'xmlattr', 'text'.

[edit] Return value

This tag displays content only, it does not have a return value.