Issue 192 - Clean up from #153

lib/io.js

Index: lib/io.js
===================================================================
--- a/lib/io.js
+++ b/lib/io.js
@@ -64,17 +64,17 @@ let IO = exports.IO =
     return null;
   },
 
   /**
    * Reads strings from a file asynchronously, calls listener.process() with
    * each line read and with a null parameter once the read operation is done.
    * The callback will be called when the operation is done.
    */
-  readFromFile: function(/**nsIFile*/ file, /**Boolean*/ decode, /**Object*/ listener, /**Function*/ callback, /**String*/ timeLineID)
+  readFromFile: function(/**nsIFile*/ file, /**Object*/ listener, /**Function*/ callback, /**String*/ timeLineID)
   {
     try
     {
       let processing = false;
       let buffer = "";
       let loaded = false;
       let error = null;
 
@@ -198,20 +198,20 @@ let IO = exports.IO =
     }
     catch (e)
     {
       callback(e);
     }
   },
 
   /**
-   * Writes string data to a file asynchronously, optionally encodes it into
-   * UTF-8 first. The callback will be called when the write operation is done.
+   * Writes string data to a file in UTF-8 format asynchronously. The callback
+   * will be called when the write operation is done.
    */
-  writeToFile: function(/**nsIFile*/ file, /**Boolean*/ encode, /**Iterator*/ data, /**Function*/ callback, /**String*/ timeLineID)
+  writeToFile: function(/**nsIFile*/ file, /**Iterator*/ data, /**Function*/ callback, /**String*/ timeLineID)
   {
     try
     {
       let encoder = new TextEncoder();
 
       Task.spawn(function()
       {
         // This mimics OS.File.writeAtomic() but writes in chunks.