<?php
// Add the new filter
add_filter('upload_mimes', 'addUploadMimes');
 
/**
 * Adds new supported media types for upload.
 *
 * @see wp_check_filetype() or get_allowed_mime_types()
 * @param array $mimes Array of mime types keyed by the file extension regex corresponding to those types.
 * @return array
 */
function addUploadMimes($mimes)
{
	$mimes = array_merge($mimes, array(
		'tmbundle|tmCommand|tmDragCommand|tmSnippet|tmLanguage|tmPreferences' => 'application/octet-stream'
	));
 
	return $mimes;
}
?>