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The purpose of the CaseOf is to allow the value of a variable or expression to control the flow of program execution via a multiway branch. The main reasons for using a CaseOf include improving clarity, by reducing otherwise repetitive coding
<#caseof expression="<#url_PageNumber>" statement_0="their is no page" statement_1="their is at least 1 page" default="their is at least <#url_PageNumber> pages">