new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/sysplugins/smarty_internal_compile_append.php
@@ -0,0 +1,48 @@
+<?php
+/**
+ * Smarty Internal Plugin Compile Append
+ * Compiles the {append} tag
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @author     Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Compile Append Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Append extends Smarty_Internal_Compile_Assign {
+    /**
+     * Compiles code for the {append} tag
+     *
+     * @param  array $args array with attributes from parser
+     * @param  object $compiler compiler object
+     * @param  array $parameter array with compilation parameter
+     *
+     * @return string compiled code
+     */
+    public function compile($args, $compiler, $parameter) {
+        // the following must be assigned at runtime because it will be overwritten in parent class
+        $this->required_attributes = array('var', 'value');
+        $this->shorttag_order = array('var', 'value');
+        $this->optional_attributes = array('scope', 'index');
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+        // map to compile assign attributes
+        if (isset($_attr['index'])) {
+            $_params['smarty_internal_index'] = '[' . $_attr['index'] . ']';
+            unset($_attr['index']);
+        } else {
+            $_params['smarty_internal_index'] = '[]';
+        }
+        $_new_attr = array();
+        foreach ($_attr as $key => $value) {
+            $_new_attr[] = array($key => $value);
+        }
+        // call compile assign
+        return parent::compile($_new_attr, $compiler, $_params);
+    }
+}