is used to cache programmatically generated pages that need not always be regenerated from scratch. Pages cached with automatically expire after a specified time (relative or absolute), and pages may also be expired manually using ACTION=”FLUSH” when needed. When expiring pages manually you have the choice of expiring all instances of a page (regardless of any specified URL parameters) or specific instances (based on URL parameters). To expire specific instances use the optional EXPIREURL attribute. (Applies to: ColdFusion 4 or later)

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