# File lib/asciidoctor/path_resolver.rb, line 124
  def initialize file_separator = nil, working_dir = nil
    @file_separator = file_separator ? file_separator : (::File::ALT_SEPARATOR || ::File::SEPARATOR)
    if working_dir
      @working_dir = (is_root? working_dir) ? working_dir : (::File.expand_path working_dir)
    else
      @working_dir = ::File.expand_path ::Dir.pwd
    end
    @_partition_path_sys, @_partition_path_web = {}, {}
  end