class SourceAnnotationExtractor

def display(results, options={})

The +options+ hash is passed to each annotation's +to_s+.
Prints the mapping from filenames to annotations in +results+ ordered by filename. 
def display(results, options={})
  results.keys.sort.each do |file|
    puts "#{file}:"
    results[file].each do |note|
      puts "  * #{note.to_s(options)}"
    end
    puts
  end
end