[#634 state:resolved] flash-messages fails inside ajax part

hobo/taglibs/rapid_pages.dryml

@@ -243,7 +243,7 @@ The flash is output in a `<div class="flash notice">`, where `notice` is the `ty
 
 <!-- Renders `<flash-message>` for every flash type given in the `names` attribute (comma separated), or for all flash messages that have been set if `names` is not given -->
 <def tag="flash-messages" attrs="names"><%=
-  scope.flash_rendered = true
+  scope.flash_rendered = true if scope.respond_to? :flash_rendered
   names = names.nil? ? flash.keys : comma_split(names)
   names.map { |name| flash_message :type => name }.join
 %></def>