Index: tools/class.php
===================================================================
--- tools/class.php	(revision 14136)
+++ tools/class.php	(working copy)
@@ -13,6 +13,9 @@
         foreach (file($path.DIRECTORY_SEPARATOR.$e) as $line) {
           if ('#' === $line{0}) {
             continue;
+          } else if ('@' === $line{0}) {
+            $inc.= trim($line).PATH_SEPARATOR;
+            continue;
           } else if ('~' === $line{0}) {
             $base= $home; $line= substr($line, 1);
           } else if ('/' === $line{0} || (':' === $line{1} && '\\' === $line{2})) {
Index: tools/web.php
===================================================================
--- tools/web.php	(revision 14136)
+++ tools/web.php	(working copy)
@@ -11,6 +11,9 @@
         foreach (file($path.DIRECTORY_SEPARATOR.$e) as $line) {
           if ('#' === $line{0}) {
             continue;
+          } else if ('@' === $line{0}) {
+            $inc.= trim($line).PATH_SEPARATOR;
+            continue;
           } else if ('~' === $line{0}) {
             $base= $home; $line= substr($line, 1);
           } else if ('/' === $line{0} || (':' === $line{1} && '\\' === $line{2})) {
Index: tools/xar.php
===================================================================
--- tools/xar.php	(revision 14136)
+++ tools/xar.php	(working copy)
@@ -13,6 +13,9 @@
         foreach (file($path.DIRECTORY_SEPARATOR.$e) as $line) {
           if ('#' === $line{0}) {
             continue;
+          } else if ('@' === $line{0}) {
+            $inc.= trim($line).PATH_SEPARATOR;
+            continue;
           } else if ('~' === $line{0}) {
             $base= $home; $line= substr($line, 1);
           } else if ('/' === $line{0} || (':' === $line{1} && '\\' === $line{2})) {
Index: skeleton/lang/ClassLoader.class.php
===================================================================
--- skeleton/lang/ClassLoader.class.php	(revision 14136)
+++ skeleton/lang/ClassLoader.class.php	(working copy)
@@ -47,14 +47,18 @@
    * @purpose  Class loading
    */
   final class ClassLoader extends Object implements IClassLoader {
-    protected static
-      $delegates  = array();
+    protected static $delegates= array();
 
     static function __static() {
       xp::$registry['loader']= new self();
       
       // Scan include-path, setting up classloaders for each element
+      $loaders= array();
       foreach (xp::$registry['classpath'] as $element) {
+        if ('@' === $element{0}) {
+          $loaders[]= $element;
+          continue;
+        }
         $resolved= realpath($element);
         if (is_dir($resolved)) {
           self::registerLoader(FileSystemClassLoader::instanceFor($resolved, FALSE));
@@ -64,6 +68,17 @@
           xp::error('[bootstrap] Classpath element ['.$element.'] not found');
         }
       }
+      
+      // Set up additional loaders ("@class[<arg[, arg[, ...]]>]" in include-path)
+      foreach ($loaders as $spec) {
+        sscanf($spec, '@%[^<]<%s>', $cl, $args);
+        $loader= XPClass::forName($cl);
+        if ($loader->hasConstructor()) {
+          self::registerLoader($loader->getConstructor()->newInstance(array_map('trim', explode(',', $args))));
+        } else {
+          self::registerLoader($loader->newInstance());
+        }
+      }
     }
     
     /**