rule
marked-section cdata condition action+
A rule that fires when a CDATA marked section is encountered in the processing of an input document. If there are no marked-section cdata rules, the text of the marked section is treated the same way as any other data content. If there is an applicable marked-section cdata rule, that rule determines the processing of the text within the marked section.
Only one marked-section cdata rule may be selected for a CDATA marked section. If more than one rule exists, each must have a condition to ensure that only one can be selected. If more than one rule is selected, the first one to appear in the OmniMark program will fire. An error will be reported before the rule is executed.