# File lib/squish.rb, line 306
  def sub_expr (text)
    if (text =~ /\s*(\S+)\s+(.*)\s*/)
      content = $1
      @lastsub = content
      nextdata = $2
      loginfo('sub_expr', content, nextdata )
      return obj_expr(nextdata)
    end
    puts "Error: sub_expr didn't find expected content in '#{text}'\n"
  end