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<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<script src="parsesb.js"></script>
	</head>
	<body>
		<textarea id="$input">
FOR TO=STEP TO TO STEP TO
 READ VAR("A")[0]
NEXT</textarea>
		<br>
		<button id="$button" onclick="$output.value=parse(tokenize($input.value)).toSource();">set</button>
		<hr>
		<textarea id="$output"></textarea>
	<body>
</html>