Migrate SyntaxHighlighter to Prism

prism-migrate.js

(function() {
	var map = {
		'html': 'markup',
		'xml': 'markup'
	};
	var lang = /\bbrush:\s*(\w+)\b;?/i;
	var convert = function(element) {
		var language = (element.className.match(lang) || [,''])[1];
		language = map[language] || language;
		if ( language && self.Prism.languages[language] ) {
			element.className = "";
			var code = document.createElement('code');
			code.className = "language-" + language;
			code.innerHTML = element.innerHTML;
			element.innerHTML = "";
			element.appendChild(code);
		}
	};
	[].slice.call(document.querySelectorAll("pre[class*='brush']")).forEach(convert);
})();