Changed all @code to <code> and @endcode to </code> as per dmichael

ppapi/api/ppb_audio.idl

Index: ppapi/api/ppb_audio.idl
===================================================================
--- ppapi/api/ppb_audio.idl	(revision 97869)
+++ ppapi/api/ppb_audio.idl	(working copy)
@@ -29,10 +29,12 @@
  * <a href="/chrome/nativeclient/docs/audio.html">Pepper
  * Audio API</a> for information on using this interface.
  * Please see descriptions for each <code>PPB_Audio</code> and
- * <code>PPB_AudioConfig</code> function for more details.
+ * <code>PPB_AudioConfig</code> function for more details. A C example using
+ * <code>PPB_Audio</code> and <code>PPB_AudioConfig</code> follows.
  *
- * A C example using PPB_Audio and PPB_AudioConfig:
- * @code
+ * <strong>Example: </strong>
+ * 
+ * <code>
  * void audio_callback(void* sample_buffer,
  *                     uint32_t buffer_size_in_bytes,
  *                     void* user_data) {
@@ -51,7 +53,7 @@
  * audio_interface->StartPlayback(pp_audio);
  *
  * ...audio_callback() will now be periodically invoked on a seperate thread...
- * @endcode
+ * </code>
  */
 interface PPB_Audio {
  /**