<textarea placeholder="줄바꿈은 다음과 같은 캐릭터셋을 지정합니다. &#13;&#10;줄바꿈이 되었습니다."></textarea>
body {
	margin: 20px auto;
	width: 700px;
}
textarea {
	width: 400px;
	height: 100px;
	padding: 10px;
	border: 1px solid #333;
}

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