public function testYFMInMarkdown()
{
$e = new Example('example/hello.md');
$this->assertEquals($e->desc(), 'Hello');
$this->assertEquals($e->code(), 'ls');
$this->assertEquals($e->file_id(), 'hello.md');
$this->assertEquals($e->id(), 7);
$this->assertEquals($e->ft(), 'lisp');
$this->assertEquals($e->url(), '/example/hello.md');
}