WatchPage
This is a helper class that allows you to have ruby scripts that do things with contents of a particular page. One example of its use, in how to enable a blog, is to create an automatic summary for each person listed on a page.
WatchPage.new(wiki,page_to_watch, call_once_at_startup = true ) { |page| # do something with the page }
It will call the block each time the content of the page is changed. If the call_once_at_startup option is true it will also call the block once when the wiki starts.
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