class CodeRay::Encoders::HTML

def check_options! options
  unless [false, nil, :debug, :info, :info_long].include? options[:hint]
    raise ArgumentError, "Unknown value %p for :hint; expected :info, :info_long, :debug, false, or nil." % [options[:hint]]
  end
  
  unless [:class, :style].include? options[:css]
    raise ArgumentError, 'Unknown value %p for :css.' % [options[:css]]
  end
  
  options[:break_lines] = true if options[:line_numbers] == :inline
end