get_namespace

# File lib/rexml/functions.rb, line 66
    def Functions::get_namespace( node_set = nil )
      if node_set == nil
        yield @@context[:node] if defined? @@context[:node].namespace
      else  
        if node_set.respond_to? :each
          node_set.each { |node| yield node if defined? node.namespace }
        elsif node_set.respond_to? :namespace
          yield node_set
        end
      end
    end