Add non-submodule vendor directory.

Former-commit-id: 392cdade55487e774e959013d8d25ae0b1dfe93b

vendor/docdown/docdown.php

@@ -0,0 +1,38 @@
+<?php
+/*!
+ * Docdown v1.0.0-pre
+ * Copyright 2011-2012 John-David Dalton <http://allyoucanleet.com/>
+ * Available under MIT license <http://mths.be/mit>
+ */
+require(dirname(__FILE__) . '/src/DocDown/Generator.php');
+
+/**
+ * Generates Markdown from JSDoc entries in a given file.
+ * 
+ * @param {Array} [$options=array()] The options array.
+ * @returns {String} The generated Markdown.
+ * @example
+ *
+ * // specify a file path
+ * $markdown = docdown(array(
+ *   // path to js file
+ *   'path' => $filepath,
+ *   // url used to reference line numbers in code
+ *   'url' => 'https://github.com/username/project/blob/master/my.js'
+ * ));
+ *
+ * // or pass raw js
+ * $markdown = docdown(array(
+ *   // raw JavaScript source
+ *   'source' => $rawJS,
+ *   // documentation title
+ *   'title' => 'My API Documentation',
+ *   // url used to reference line numbers in code
+ *   'url' => 'https://github.com/username/project/blob/master/my.js'
+ * ));
+ */
+function docdown( $options = array() ) {
+  $gen = new Generator($options);
+  return $gen->generate();
+}
+?>