diff --git a/lib/markdown.js b/lib/markdown.js
index fa7411d..a5bc07c 100644
--- a/lib/markdown.js
+++ b/lib/markdown.js
@@ -51,29 +51,16 @@
 //
 //   var text = "Markdown *rocks*.";
 //
-//   var converter = new Showdown.converter();
-//   var html = converter.makeHtml(text);
+//   var markdown = require("markdown");
+//   var html = markdown.encode(text);
 //
-//   alert(html);
+//   print(html);
 //
 // Note: move the sample code to the bottom of this
 // file before uncommenting it.
 //
 
 
-//
-// Showdown namespace
-//
-var Showdown = {};
-
-//
-// converter
-//
-// Wraps all "globals" so that the only thing
-// exposed is makeHtml().
-//
-Showdown.converter = function() {
-
 //
 // Globals:
 //
@@ -88,7 +75,7 @@ var g_html_blocks;
 var g_list_level = 0;
 
 
-this.makeHtml = function(text) {
+exports.makeHtml = function(text) {
 //
 // Main function. The order in which other subs are called here is
 // essential. Link and image substitutions need to happen before
@@ -1293,10 +1280,11 @@ var escapeCharacters_callback = function(wholeMatch,m1) {
 	return "~E"+charCodeToEscape+"E";
 }
 
-} // end of Showdown.converter
+exports.markdown = function(src) {
+   return exports.makeHtml(src);
+};
 
-exports.Markdown = Showdown.converter;
+exports.encode = function (src) {
+   return exports.makeHtml(src);
+};
 
-exports.markdown = function(src) {
-   return new Showdown.converter().makeHtml(src);
-}
diff --git a/tests/all-tests.js b/tests/all-tests.js
new file mode 100644
index 0000000..b835ba2
--- /dev/null
+++ b/tests/all-tests.js
@@ -0,0 +1,13 @@
+var assert = require("test/assert");
+var markdown = require("markdown");
+
+exports.testH1 = function () {
+    assert.eq("<h1>Hi</h1>", markdown.encode("Hi\n="));
+};
+
+exports.testP = function () {
+    assert.eq("<p>Paragraph.</p>", markdown.markdown("Paragraph."));
+};
+
+if (require.main === module.id)
+    require("os").exit(require("test/runner").run(exports));