http://www.xulplanet.com/tutorials/xultu/advrules.html http://www.xulplanet.com/reference/elemref/ref_action.html Should be contained within a rule element. It is used to specify the generated content for each matched node. Within the action, attributes are parsed for resource and variable references . Should be contained within a rule element. It is used to specify the generated content for each matched node. Within the action, attributes are parsed for resource and variable references.

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