diff --git a/src/index.js b/src/index.js
index 5bce355..4cfebb8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -6,6 +6,11 @@ const TAGS = {
 	'-': ['<hr />']
 };
 
+/**
+ * Optional, skips entity encoding
+ */
+let highlight = false
+
 /** Outdent a string based on the first indented line's leading whitespace
  *	@private
  */
@@ -21,96 +26,95 @@ function encodeAttr(str) {
 }
 
 /** Parse Markdown into an HTML String. */
-export default function snarkdown(md, options = {}) {
-	const highlight = options.highlight;
+function parse(md, prevLinks) {
+	let tokenizer = /((?:^|\n+)(?:\n---+|\* \*(?: \*)+)\n)|(?:^```(\w*)\n([\s\S]*?)\n```$)|((?:(?:^|\n+)(?:\t|  {2,}).+)+\n*)|((?:(?:^|\n)([>*+-]|\d+\.)\s+.*)+)|(?:\!\[([^\]]*?)\]\(([^\)]+?)\))|(\[)|(\](?:\(([^\)]+?)\))?)|(?:(?:^|\n+)([^\s].*)\n(\-{3,}|={3,})(?:\n+|$))|(?:(?:^|\n+)(#{1,3})\s*(.+)(?:\n+|$))|(?:`([^`].*?)`)|(  \n\n*|\n{2,}|__|\*\*|[_*])/gm,
+		context = [],
+		out = '',
+		links = prevLinks || {},
+		last = 0,
+		chunk, prev, token, inner, t;
 
-	return parse(md);
+	function tag(token) {
+		var desc = TAGS[token.replace(/\*/g,'_')[1] || ''],
+			end = context[context.length-1]==token;
+		if (!desc) return token;
+		if (!desc[1]) return desc[0];
+		context[end?'pop':'push'](token);
+		return desc[end|0];
+	}
 
-	function parse(md, prevLinks) {
-		let tokenizer = /((?:^|\n+)(?:\n---+|\* \*(?: \*)+)\n)|(?:^```(\w*)\n([\s\S]*?)\n```$)|((?:(?:^|\n+)(?:\t|  {2,}).+)+\n*)|((?:(?:^|\n)([>*+-]|\d+\.)\s+.*)+)|(?:\!\[([^\]]*?)\]\(([^\)]+?)\))|(\[)|(\](?:\(([^\)]+?)\))?)|(?:(?:^|\n+)([^\s].*)\n(\-{3,}|={3,})(?:\n+|$))|(?:(?:^|\n+)(#{1,3})\s*(.+)(?:\n+|$))|(?:`([^`].*?)`)|(  \n\n*|\n{2,}|__|\*\*|[_*])/gm,
-			context = [],
-			out = '',
-			links = prevLinks || {},
-			last = 0,
-			chunk, prev, token, inner, t;
+	function flush() {
+		let str = '';
+		while (context.length) str += tag(context[context.length-1]);
+		return str;
+	}
 
-		function tag(token) {
-			var desc = TAGS[token.replace(/\*/g,'_')[1] || ''],
-				end = context[context.length-1]==token;
-			if (!desc) return token;
-			if (!desc[1]) return desc[0];
-			context[end?'pop':'push'](token);
-			return desc[end|0];
-		}
+	md = md.replace(/^\[(.+?)\]:\s*(.+)$/gm, (s, name, url) => {
+		links[name.toLowerCase()] = url;
+		return '';
+	}).replace(/^\n+|\n+$/g, '');
 
-		function flush() {
-			let str = '';
-			while (context.length) str += tag(context[context.length-1]);
-			return str;
+	while ( (token=tokenizer.exec(md)) ) {
+		prev = md.substring(last, token.index);
+		last = tokenizer.lastIndex;
+		chunk = token[0];
+		if (prev.match(/[^\\](\\\\)*\\$/)) {
+			// escaped
 		}
-
-		md = md.replace(/^\[(.+?)\]:\s*(.+)$/gm, (s, name, url) => {
-			links[name.toLowerCase()] = url;
-			return '';
-		}).replace(/^\n+|\n+$/g, '');
-
-		while ( (token=tokenizer.exec(md)) ) {
-			prev = md.substring(last, token.index);
-			last = tokenizer.lastIndex;
-			chunk = token[0];
-			if (prev.match(/[^\\](\\\\)*\\$/)) {
-				// escaped
-			}
-			// Code/Indent blocks:
-			else if (token[3] || token[4]) {
-				const lang = token[4]?'poetry':token[2].toLowerCase();
-				chunk = '<pre class="code '+lang+'">'+outdent(
-					highlight ? highlight(token[3] || token[4], lang) : encodeAttr(token[3] || token[4])
-				).replace(/^\n+|\n+$/g, '')+'</pre>';
-			}
-			// > Quotes, -* lists:
-			else if (token[6]) {
-				t = token[6];
-				if (t.match(/\./)) {
-					token[5] = token[5].replace(/^\d+/gm, '');
-				}
-				inner = parse(outdent(token[5].replace(/^\s*[>*+.-]/gm, '')));
-				if (t==='>') t = 'blockquote';
-				else {
-					t = t.match(/\./) ? 'ol' : 'ul';
-					inner = inner.replace(/^(.*)(\n|$)/gm, '<li>$1</li>');
-				}
-				chunk = '<'+t+'>' + inner + '</'+t+'>';
-			}
-			// Images:
-			else if (token[8]) {
-				chunk = `<img src="${encodeAttr(token[8])}" alt="${encodeAttr(token[7])}">`;
-			}
-			// Links:
-			else if (token[10]) {
-				out = out.replace('<a>', `<a href="${encodeAttr(token[11] || links[prev.toLowerCase()])}">`);
-				chunk = flush() + '</a>';
-			}
-			else if (token[9]) {
-				chunk = '<a>';
-			}
-			// Headings:
-			else if (token[12] || token[14]) {
-				t = 'h' + (token[14] ? token[14].length : (token[13][0]==='='?1:2));
-				chunk = '<'+t+'>' + parse(token[12] || token[15], links) + '</'+t+'>';
-			}
-			// `code`:
-			else if (token[16]) {
-				chunk = '<code>'+encodeAttr(token[16])+'</code>';
+		// Code/Indent blocks:
+		else if (token[3] || token[4]) {
+			chunk = '<pre class="code '+(token[4]?'poetry':token[2].toLowerCase())+'">'+outdent(
+				highlight ? highlight(token[3] || token[4], (token[4]?'poetry':token[2].toLowerCase())) : encodeAttr(token[3] || token[4])
+			).replace(/^\n+|\n+$/g, '')+'</pre>';
+		}
+		// > Quotes, -* lists:
+		else if (token[6]) {
+			t = token[6];
+			if (t.match(/\./)) {
+				token[5] = token[5].replace(/^\d+/gm, '');
 			}
-			// Inline formatting: *em*, **strong** & friends
-			else if (token[17] || token[1]) {
-				chunk = tag(token[17] || '--');
+			inner = parse(outdent(token[5].replace(/^\s*[>*+.-]/gm, '')));
+			if (t==='>') t = 'blockquote';
+			else {
+				t = t.match(/\./) ? 'ol' : 'ul';
+				inner = inner.replace(/^(.*)(\n|$)/gm, '<li>$1</li>');
 			}
-			out += prev;
-			out += chunk;
+			chunk = '<'+t+'>' + inner + '</'+t+'>';
 		}
-
-		return (out + md.substring(last) + flush()).trim();
+		// Images:
+		else if (token[8]) {
+			chunk = `<img src="${encodeAttr(token[8])}" alt="${encodeAttr(token[7])}">`;
+		}
+		// Links:
+		else if (token[10]) {
+			out = out.replace('<a>', `<a href="${encodeAttr(token[11] || links[prev.toLowerCase()])}">`);
+			chunk = flush() + '</a>';
+		}
+		else if (token[9]) {
+			chunk = '<a>';
+		}
+		// Headings:
+		else if (token[12] || token[14]) {
+			t = 'h' + (token[14] ? token[14].length : (token[13][0]==='='?1:2));
+			chunk = '<'+t+'>' + parse(token[12] || token[15], links) + '</'+t+'>';
+		}
+		// `code`:
+		else if (token[16]) {
+			chunk = '<code>'+encodeAttr(token[16])+'</code>';
+		}
+		// Inline formatting: *em*, **strong** & friends
+		else if (token[17] || token[1]) {
+			chunk = tag(token[17] || '--');
+		}
+		out += prev;
+		out += chunk;
 	}
+
+	return (out + md.substring(last) + flush()).trim();
+}
+
+export default function snarkdown(md, opt) {
+	opt = opt || {};
+	highlight = opt.highlight;
+	return parse(md);
 }