Textpattern CMS Template Tags , article category

<txp:expires />
Used to indicate when an article should no longer appear in a site.
Will execute the contained statement if the author name associated with a particular article matches.
Will execute the contained statement if the category associated with a particular article matches.
<txp:if_article_id />
Will execute the contained statement if the article id associated with a particular article matches.
Will execute the contained statements if an image is associated with the article being displayed.
<txp:if_article_list />
Will execute the contained statement if an article list is being displayed.
Will execute the contained statements if the section associated with a particular article matches.
<txp:if_custom_field />
Will execute the contained statements if one or more custom fields for a given article have content.
<txp:if_excerpt />
Will execute the contained statements if an excerpt is associated with the article.
<txp:if_expired />
Will execute the contained statements if a particular article is expired.
<txp:if_expires />
Will execute the contained statements if a particular article has an expiry date set.
Will execute the contained statements if the displayed article is the first in the currently displayed list.