class Nokogiri::XML::SAX::Parser

def parse_file(filename)

Parse a file with +filename+
## 
def parse_file(filename)
  raise ArgumentError unless filename
  raise Errno::ENOENT unless File.exist?(filename)
  raise Errno::EISDIR if File.directory?(filename)
  ctx = ParserContext.file(filename)
  yield ctx if block_given?
  ctx.parse_with(self)
end