anchor.diff:        );
       } else {
         return CircleAvatar(
  -        backgroundImage: MemoryImage(avatarImage),
  +        backgroundImage: MemoryImage(widget.avatarImage),
           radius: 25.0,
         );
       }
  
positive.code: import 'dart:typed_data';
  
  import 'package:flutter/material.dart';
  
negative.code: import 'package:flutter_markdown/flutter_markdown.dart';
  
  /// Widget displaying a notice board entry.
  class NoticeBoardEntryWidget extends StatefulWidget {
    /// Notice board entry to show.
    final NoticeBoardEntry entry;
  
  