| ## Simple usages | |
| Simple excerpt with no region: | |
| <?code-excerpt "simple_main.dart"?> | |
| ```dart | |
| // Copyright (c) 2026, the Dart project authors. Please see the AUTHORS file | |
| // for details. All rights reserved. Use of this source code is governed by a | |
| // BSD-style license that can be found in the LICENSE file. | |
| void main() { | |
| print('Hello world!'); | |
| } | |
| ``` | |
| Simple excerpt with region: | |
| <?code-excerpt "simple_region.dart (hello)"?> | |
| ```dart | |
| print('Hello world!'); | |
| ``` |