# File lib/facets/more/rexmlbuilder.rb, line 213
  def instruct( name, *args )
    keys = (Hash === args.last ? args.pop : {})
    content = ( args + keys.collect{ |k,v| %{#{k}="#{v}"} } ).join(' ')
    REXML::Instruction.new( name, content.strip )
  end