+$SQM_INTERNAL_VERSION = explode('.', SM_VERSION, 3);
+$SQM_INTERNAL_VERSION[2] = intval($SQM_INTERNAL_VERSION[2]);
+
+
+/* load prefs system; even when user not logged in, should be OK to do this here */
+require(SM_PATH . 'functions/prefs.php');
+
+// FIXME: config/plugin_hooks.php has not yet been loaded (see a few lines below); so this hook call should I think not be working -- has anyone actually tested it? Is there any reason we cannot move this prefs code block down below "MAIN PLUGIN LOADING CODE HERE" (see below)? Reading the code, I *think* it should be OK, but....
+$prefs_backend = do_hook('prefs_backend', $null);
+if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) {
+ require(SM_PATH . $prefs_backend);
+} elseif (isset($prefs_dsn) && !empty($prefs_dsn)) {
+ require(SM_PATH . 'functions/db_prefs.php');
+} else {
+ require(SM_PATH . 'functions/file_prefs.php');
+}