anchor.diff:  
       /// Remove leading whitespace so xml detection is correct
       final font_str =
  -        String.fromCharCodes(font_file.content as List<int>).trimLeft();
  +    String.fromCharCodes(font_file.content as List<int>).trimLeft();
       XmlDocument xml;
   
       /// Added <?xml which may be present, appropriately
  
positive.code: BitmapFont readFont(String font, Image map) => BitmapFont.fromFnt(font, map);
  
  /// A bitmap font that can be used with [drawString] and [drawChar] functions.
  /// You can generate a font files from a program
  /// like: http://kvazars.com/littera
  class BitmapFont {
    String face = '';
    int size = 0;
  
negative.code:             }
  
              final image =
              PngDecoder().decodeImage(imageFile.content as List<int>);
  
              fontPages[id] = image;
            }
  