# File temp/parent.rb, line 82 def insert_before( child1, child2 ) if child1.kind_of? String child1 = XPath.first( self, child1 ) child1.parent.insert_before child1, child2 else ind = index(child1) child2.parent.delete(child2) if child2.parent @children[ind,0] = child2 child2.parent = self end self end