Disabling autosave in WordPress (properly)

This is for 2.6.3 - not sure what other versions it will work on. Originally I got this from http://www.untwistedvortex.com/2008/06/27/adjust-wordpress-autosave-or-disable-it-completely/, however, it was still giving me a JavaScript error.

Note that this worked fine in FF 2.x, and IE6 for English; but for some reason it broke in Chinese and only in IE6. It kept telling me it was failing to update a post, even though it was a new post. I traced it down finally to autosave.js changing the value of the action to "editpost" instead of "post" - I am not exactly sure why the behavior is different in different browsers, but at this point I don't care. The autosave feature is not necessary for the blog site I am supporting for work.

At first I tried a wp-config.php attempt, from http://sheldon.lendrum.co.nz/disabling-wordpress-auto-save-and-revision-saving_227/04/ - but that must not work in 2.6.x - it still appeared to be autosaving. The next Google result was a plugin fashion that dequeued the autosave.js script - which was the culprit, but it wasn't quite complete (at least in my 2.6.3 install) - so here is the complete fix (no JavaScript errors that I can tell)

First, you need to make a file called "autosave.js" and throw it in wp-content/plugins, the content of which is:

function autosave() {
   return true;
}

Next, throw this in an existing plugin or make a standalone file (I have a file with a bunch of random WP "fixes" so I just threw it in there):

function disable_autosave() {
   wp_deregister_script('autosave');
   wp_enqueue_script('wphacks', '/wp-content/plugins/autosave.js', array(), '20081123');
}

add_action('wp_print_scripts', 'disable_autosave');

A big thanks to the guy at Untwisted Vortex for getting me on the right path. I'm sure there might be a couple other ways to do this, but this works just fine, and maps with the primary goal of not editing the core code of the package.