00685: create 'exists' condition

Summary: create 'exists' condition
Created: 2006-03-03 16:55
Status: Closed - added to 2.1.beta36
Category: CoreCandidate
From: PRZ
Priority: 3
Version: 2.1 beta33

Description: Create an 'exists' condition where the condition is true if a page with a given name exists. This is described in the page ConditionalMarkupSamples but not implemented in core.