diff --git a/marked/marked-tests.ts b/marked/marked-tests.ts
new file mode 100644
index 000000000..458c0c616
--- /dev/null
+++ b/marked/marked-tests.ts
@@ -0,0 +1,25 @@
+/// <reference path="marked.d.ts" />
+
+import marked = module('marked');
+
+marked.setOptions({
+  gfm: true,
+  tables: true,
+  breaks: false,
+  pedantic: false,
+  sanitize: true,
+  highlight: function(code, lang) {
+    if (lang === 'js') {
+      return highlighter.javascript(code);
+    }
+    return code;
+  }
+});
+console.log(marked('i am using __markdown__.'));
+
+var tokens = marked.lexer(text, options);
+console.log(marked.parser(tokens));
+
+var lexer = new marked.Lexer(options);
+var tokens2 = lexer.lex(text);
+console.log(lexer.rules);
\ No newline at end of file
diff --git a/marked/marked.d.ts b/marked/marked.d.ts
index a059a3e6a..f669fda26 100644
--- a/marked/marked.d.ts
+++ b/marked/marked.d.ts
@@ -1,14 +1,16 @@
-declare module "marked" {
-	export function (src: string, opt?: Options): string;
-	export function lexer(src: string, opt?: Options): Array;
-	export function parser(src: string, opt?: Options): string;
-	export function parse(src: string, opt?: Options): string;
-	export function setOptions(opt: Options): void;
-}
-
-interface Options {
-	gfm?: bool;
-	pedantic?: bool;
-	sanitize?: bool;
-	highlight?: bool;
-}
+declare module "marked" {
+	export function (src: string, opt?: Options): string;
+	export function lexer(src: string, opt?: Options): Array;
+	export function parser(src: string, opt?: Options): string;
+	export function parse(src: string, opt?: Options): string;
+	export function setOptions(opt: Options): void;
+}
+
+interface Options {
+	gfm?: bool;
+	tables?: bool;
+	breaks?: bool;
+	pedantic?: bool;
+	sanitize?: bool;
+	highlight?: any;
+}