docs: def print_modified_files(opts, anchors):
      """
      Prints out which files were modified amongst those looked at
  
      :param anchors: Dictionary mapping file path strings to dictionaries
          containing AnchorHub tag/generated header key-value pairs
      """
      print("Files with modifications:")
      for file_path in anchors:
          print("  " + strip_prefix(file_path, opts.abs_input))
      print("--------------------")
      print(str(len(anchors)) + " total\n")