class Diffy::HtmlFormatter

def split_characters(chunk)
  chunk.gsub(/^./, '').each_line.map do |line|
    if @options[:ignore_crlf]
      (line.chomp.split('') + ['\n']).map{|chr| ERB::Util.h(chr) }
    else
      chars = line.sub(/([\r\n]$)/, '').split('')
      # add escaped newlines
      chars << '\n'
      chars.map{|chr| ERB::Util.h(chr) }
    end
  end.flatten.join("\n") + "\n"
end