1.2.7 tags:
http://struts.apache.org/1.2.7/userGuide/struts-logic.html You can find all other versions on struts.apache.org.
logic :p resent
Depending on which attribute is specified, this tag checks the current request, and evaluates the nested body content of this tag only if the specified value is present. Only one of the attributes may be used in one occurrence of this tag, unless you use the property attribute, in which case the name attribute is also required.
[ May 15, 2007: Message edited by: Dom Lassy ]