diff --git a/library/smarty/libs/sysplugins/smarty_internal_compile_block.php b/library/smarty/libs/sysplugins/smarty_internal_compile_block.php
new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/sysplugins/smarty_internal_compile_block.php
@@ -0,0 +1,432 @@
+<?php
+
+/**
+ * Smarty Internal Plugin Compile Block
+ * Compiles the {block}{/block} tags
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @author     Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Compile Block Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Block extends Smarty_Internal_CompileBase {
+
+    const parent = '____SMARTY_BLOCK_PARENT____';
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $required_attributes = array('name');
+
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $shorttag_order = array('name');
+
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $option_flags = array('hide', 'append', 'prepend', 'nocache');
+
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $optional_attributes = array('internal_file', 'internal_uid', 'internal_line');
+    /**
+     * nested child block names
+     *
+     * @var array
+     */
+    public static $nested_block_names = array();
+
+    /**
+     * child block source buffer
+     *
+     * @var array
+     */
+    public static $block_data = array();
+
+    /**
+     * Compiles code for the {block} tag
+     *
+     * @param array $args array with attributes from parser
+     * @param object $compiler compiler object
+     *
+     * @return boolean true
+     */
+    public function compile($args, $compiler) {
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+        $_name = trim($_attr['name'], "\"'");
+
+        // existing child must override parent settings
+        if (isset($compiler->template->block_data[$_name]) && $compiler->template->block_data[$_name]['mode'] == 'replace') {
+            $_attr['append'] = false;
+            $_attr['prepend'] = false;
+        }
+
+        // check if we process an inheritance child template
+        if ($compiler->inheritance_child) {
+            array_unshift(self::$nested_block_names, $_name);
+            // build {block} for child block
+            self::$block_data[$_name]['source'] =
+                "{$compiler->smarty->left_delimiter}private_child_block name={$_attr['name']} file='{$compiler->template->source->filepath}' type='{$compiler->template->source->type}' resource='{$compiler->template->template_resource}'" .
+                " uid='{$compiler->template->source->uid}' line={$compiler->lex->line}";
+            if ($_attr['nocache']) {
+                self::$block_data[$_name]['source'] .= ' nocache';
+            }
+            self::$block_data[$_name]['source'] .= $compiler->smarty->right_delimiter;
+
+            $save = array($_attr, $compiler->inheritance);
+            $this->openTag($compiler, 'block', $save);
+            // set flag for {block} tag
+            $compiler->inheritance = true;
+            $compiler->lex->yypushstate(Smarty_Internal_Templatelexer::CHILDBLOCK);
+            $compiler->has_code = false;
+            return;
+        }
+        // must merge includes
+        if ($_attr['nocache'] == true) {
+            $compiler->tag_nocache = true;
+        }
+        $save = array($_attr, $compiler->inheritance, $compiler->parser->current_buffer, $compiler->nocache);
+        $this->openTag($compiler, 'block', $save);
+        $compiler->inheritance = true;
+        $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
+
+        $compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template($compiler->parser);
+        $compiler->has_code = false;
+
+        return true;
+    }
+
+    /**
+     * Compile saved child block source
+     *
+     * @param object $compiler compiler object
+     * @param string $_name optional name of child block
+     *
+     * @return string   compiled code of child block
+     */
+    static function compileChildBlock($compiler, $_name = null) {
+        if ($compiler->inheritance_child) {
+            $name1 = Smarty_Internal_Compile_Block::$nested_block_names[0];
+            if (isset($compiler->template->block_data[$name1])) {
+                //  replace inner block name with generic
+                Smarty_Internal_Compile_Block::$block_data[$name1]['source'] .= $compiler->template->block_data[$name1]['source'];
+                Smarty_Internal_Compile_Block::$block_data[$name1]['child'] = true;
+            }
+            $compiler->lex->yypushstate(Smarty_Internal_Templatelexer::CHILDBLOCK);
+            $compiler->has_code = false;
+            return;
+        }
+        // if called by {$smarty.block.child} we must search the name of enclosing {block}
+        if ($_name == null) {
+            $stack_count = count($compiler->_tag_stack);
+            while (--$stack_count >= 0) {
+                if ($compiler->_tag_stack[$stack_count][0] == 'block') {
+                    $_name = trim($compiler->_tag_stack[$stack_count][1][0]['name'], "\"'");
+                    break;
+                }
+            }
+        }
+        if ($_name == null) {
+            $compiler->trigger_template_error(' tag {$smarty.block.child} used outside {block} tags ', $compiler->lex->taglineno);
+        }
+        // undefined child?
+        if (!isset($compiler->template->block_data[$_name]['source'])) {
+            $compiler->popTrace();
+            return '';
+        }
+        // flag that child is already compile by {$smarty.block.child} inclusion
+        $compiler->template->block_data[$_name]['compiled'] = true;
+        $_tpl = new Smarty_Internal_template('string:' . $compiler->template->block_data[$_name]['source'], $compiler->smarty, $compiler->template, $compiler->template->cache_id,
+            $compiler->template->compile_id, $compiler->template->caching, $compiler->template->cache_lifetime);
+        if ($compiler->smarty->debugging) {
+            Smarty_Internal_Debug::ignore($_tpl);
+        }
+        $_tpl->tpl_vars = $compiler->template->tpl_vars;
+        $_tpl->variable_filters = $compiler->template->variable_filters;
+        $_tpl->properties['nocache_hash'] = $compiler->template->properties['nocache_hash'];
+        $_tpl->allow_relative_path = true;
+        $_tpl->compiler->inheritance = true;
+        $_tpl->compiler->suppressHeader = true;
+        $_tpl->compiler->suppressFilter = true;
+        $_tpl->compiler->suppressTemplatePropertyHeader = true;
+        $nocache = $compiler->nocache || $compiler->tag_nocache;
+        if (strpos($compiler->template->block_data[$_name]['source'], self::parent) !== false) {
+            $_output = str_replace(self::parent, $compiler->parser->current_buffer->to_smarty_php(), $_tpl->compiler->compileTemplate($_tpl, $nocache, $compiler->parent_compiler));
+        } elseif ($compiler->template->block_data[$_name]['mode'] == 'prepend') {
+            $_output = $_tpl->compiler->compileTemplate($_tpl, $nocache, $compiler->parent_compiler) . $compiler->parser->current_buffer->to_smarty_php();
+        } elseif ($compiler->template->block_data[$_name]['mode'] == 'append') {
+            $_output = $compiler->parser->current_buffer->to_smarty_php() . $_tpl->compiler->compileTemplate($_tpl, $nocache, $compiler->parent_compiler);
+        } elseif (!empty($compiler->template->block_data[$_name])) {
+            $_output = $_tpl->compiler->compileTemplate($_tpl, $nocache, $compiler->parent_compiler);
+        }
+        $compiler->template->properties['file_dependency'] = array_merge($compiler->template->properties['file_dependency'], $_tpl->properties['file_dependency']);
+        $compiler->template->properties['tpl_function'] = array_merge($compiler->template->properties['tpl_function'], $_tpl->properties['tpl_function']);
+        $compiler->template->variable_filters = $_tpl->variable_filters;
+        if ($_tpl->has_nocache_code) {
+            $compiler->template->has_nocache_code = true;
+        }
+        foreach ($_tpl->required_plugins as $key => $tmp1) {
+            if ($compiler->nocache && $compiler->template->caching) {
+                $code = 'nocache';
+            } else {
+                $code = $key;
+            }
+            foreach ($tmp1 as $name => $tmp) {
+                foreach ($tmp as $type => $data) {
+                    $compiler->template->required_plugins[$code][$name][$type] = $data;
+                }
+            }
+        }
+        unset($_tpl);
+        $compiler->has_code = true;
+        return $_output;
+    }
+
+    /**
+     * Compile $smarty.block.parent
+     *
+     * @param object $compiler compiler object
+     * @param string $_name optional name of child block
+     *
+     * @return string   compiled code of child block
+     */
+    static function compileParentBlock($compiler, $_name = null) {
+        // if called by {$smarty.block.parent} we must search the name of enclosing {block}
+        if ($_name == null) {
+            $stack_count = count($compiler->_tag_stack);
+            while (--$stack_count >= 0) {
+                if ($compiler->_tag_stack[$stack_count][0] == 'block') {
+                    $_name = trim($compiler->_tag_stack[$stack_count][1][0]['name'], "\"'");
+                    break;
+                }
+            }
+        }
+        if ($_name == null) {
+            $compiler->trigger_template_error(' tag {$smarty.block.parent} used outside {block} tags ', $compiler->lex->taglineno);
+        }
+        if (empty(Smarty_Internal_Compile_Block::$nested_block_names)) {
+            $compiler->trigger_template_error(' illegal {$smarty.block.parent} in parent template ', $compiler->lex->taglineno);
+        }
+        Smarty_Internal_Compile_Block::$block_data[Smarty_Internal_Compile_Block::$nested_block_names[0]]['source'] .= Smarty_Internal_Compile_Block::parent;
+        $compiler->lex->yypushstate(Smarty_Internal_Templatelexer::CHILDBLOCK);
+        $compiler->has_code = false;
+        return;
+    }
+
+    /**
+     * Process block source
+     *
+     * @param        $compiler
+     * @param string $source source text
+     */
+    static function blockSource($compiler, $source) {
+        Smarty_Internal_Compile_Block::$block_data[Smarty_Internal_Compile_Block::$nested_block_names[0]]['source'] .= $source;
+    }
+}
+
+/**
+ * Smarty Internal Plugin Compile BlockClose Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Blockclose extends Smarty_Internal_CompileBase {
+    /**
+     * Compiles code for the {/block} tag
+     *
+     * @param array $args array with attributes from parser
+     * @param object $compiler compiler object
+     *
+     * @return string compiled code
+     */
+    public function compile($args, $compiler) {
+        $compiler->has_code = true;
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+        $saved_data = $this->closeTag($compiler, array('block'));
+        $_name = trim($saved_data[0]['name'], "\"'");
+        // reset flag for {block} tag
+        $compiler->inheritance = $saved_data[1];
+        // check if we process an inheritance child template
+        if ($compiler->inheritance_child) {
+            $name1 = Smarty_Internal_Compile_Block::$nested_block_names[0];
+            Smarty_Internal_Compile_Block::$block_data[$name1]['source'] .= "{$compiler->smarty->left_delimiter}/private_child_block{$compiler->smarty->right_delimiter}";
+            array_shift(Smarty_Internal_Compile_Block::$nested_block_names);
+            if (!empty(Smarty_Internal_Compile_Block::$nested_block_names)) {
+                $name2 = Smarty_Internal_Compile_Block::$nested_block_names[0];
+                if (isset($compiler->template->block_data[$name1]) || !$saved_data[0]['hide']) {
+                    if (isset(Smarty_Internal_Compile_Block::$block_data[$name1]['child']) || !isset($compiler->template->block_data[$name1])) {
+                        Smarty_Internal_Compile_Block::$block_data[$name2]['source'] .= Smarty_Internal_Compile_Block::$block_data[$name1]['source'];
+                    } else {
+                        if ($compiler->template->block_data[$name1]['mode'] == 'append') {
+                            Smarty_Internal_Compile_Block::$block_data[$name2]['source'] .= Smarty_Internal_Compile_Block::$block_data[$name1]['source'] . $compiler->template->block_data[$name1]['source'];
+                        } elseif ($compiler->template->block_data[$name1]['mode'] == 'prepend') {
+                            Smarty_Internal_Compile_Block::$block_data[$name2]['source'] .= $compiler->template->block_data[$name1]['source'] . Smarty_Internal_Compile_Block::$block_data[$name1]['source'];
+                        } else {
+                            Smarty_Internal_Compile_Block::$block_data[$name2]['source'] .= $compiler->template->block_data[$name1]['source'];
+                        }
+                    }
+                }
+                unset(Smarty_Internal_Compile_Block::$block_data[$name1]);
+                $compiler->lex->yypushstate(Smarty_Internal_Templatelexer::CHILDBLOCK);
+            } else {
+                if (isset($compiler->template->block_data[$name1]) || !$saved_data[0]['hide']) {
+                    if (isset($compiler->template->block_data[$name1]) && !isset(Smarty_Internal_Compile_Block::$block_data[$name1]['child'])) {
+                        if (strpos($compiler->template->block_data[$name1]['source'], Smarty_Internal_Compile_Block::parent) !== false) {
+                            $compiler->template->block_data[$name1]['source'] =
+                                str_replace(Smarty_Internal_Compile_Block::parent, Smarty_Internal_Compile_Block::$block_data[$name1]['source'], $compiler->template->block_data[$name1]['source']);
+                        } elseif ($compiler->template->block_data[$name1]['mode'] == 'prepend') {
+                            $compiler->template->block_data[$name1]['source'] .= Smarty_Internal_Compile_Block::$block_data[$name1]['source'];
+                        } elseif ($compiler->template->block_data[$name1]['mode'] == 'append') {
+                            $compiler->template->block_data[$name1]['source'] = Smarty_Internal_Compile_Block::$block_data[$name1]['source'] . $compiler->template->block_data[$name1]['source'];
+                        }
+                    } else {
+                        $compiler->template->block_data[$name1]['source'] = Smarty_Internal_Compile_Block::$block_data[$name1]['source'];
+                    }
+                    $compiler->template->block_data[$name1]['mode'] = 'replace';
+                    if ($saved_data[0]['append']) {
+                        $compiler->template->block_data[$name1]['mode'] = 'append';
+                    }
+                    if ($saved_data[0]['prepend']) {
+                        $compiler->template->block_data[$name1]['mode'] = 'prepend';
+                    }
+                }
+                unset(Smarty_Internal_Compile_Block::$block_data[$name1]);
+                $compiler->lex->yypushstate(Smarty_Internal_Templatelexer::CHILDBODY);
+            }
+            $compiler->has_code = false;
+            return;
+        }
+        if (isset($compiler->template->block_data[$_name]) && !isset($compiler->template->block_data[$_name]['compiled'])) {
+            $_output = Smarty_Internal_Compile_Block::compileChildBlock($compiler, $_name);
+        } else {
+            if ($saved_data[0]['hide'] && !isset($compiler->template->block_data[$_name]['source'])) {
+                $_output = '';
+            } else {
+                $_output = $compiler->parser->current_buffer->to_smarty_php();
+            }
+        }
+        if (isset($compiler->template->block_data[$_name]['compiled'])) {
+            unset($compiler->template->block_data[$_name]['compiled']);
+        }
+        // reset flags
+        $compiler->parser->current_buffer = $saved_data[2];
+        if ($compiler->nocache) {
+            $compiler->tag_nocache = true;
+        }
+        $compiler->nocache = $saved_data[3];
+        // $_output content has already nocache code processed
+        $compiler->suppressNocacheProcessing = true;
+
+        return $_output;
+    }
+}
+
+/**
+ * Smarty Internal Plugin Compile Child Block Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Private_Child_Block extends Smarty_Internal_CompileBase {
+
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $required_attributes = array('name', 'file', 'uid', 'line', 'type', 'resource');
+
+    /**
+     * Compiles code for the {private_child_block} tag
+     *
+     * @param array $args array with attributes from parser
+     * @param object $compiler compiler object
+     *
+     * @return boolean true
+     */
+    public function compile($args, $compiler) {
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+
+        // update template with original template resource of {block}
+        if (trim($_attr['type'], "'") == 'file') {
+            $compiler->template->template_resource = 'file:' . realpath(trim($_attr['file'], "'"));
+        } else {
+            $compiler->template->template_resource = trim($_attr['resource'], "'");
+        }
+        // source object
+        unset ($compiler->template->source);
+        $exists = $compiler->template->source->exists;
+
+        // must merge includes
+        if ($_attr['nocache'] == true) {
+            $compiler->tag_nocache = true;
+        }
+        $save = array($_attr, $compiler->nocache);
+
+        // set trace back to child block
+        $compiler->pushTrace(trim($_attr['file'], "\"'"), trim($_attr['uid'], "\"'"), $_attr['line'] - $compiler->lex->line);
+
+        $this->openTag($compiler, 'private_child_block', $save);
+
+        $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
+        $compiler->has_code = false;
+
+        return true;
+    }
+}
+
+/**
+ * Smarty Internal Plugin Compile Child Block Close Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Private_Child_Blockclose extends Smarty_Internal_CompileBase {
+
+    /**
+     * Compiles code for the {/private_child_block} tag
+     *
+     * @param array $args array with attributes from parser
+     * @param object $compiler compiler object
+     *
+     * @return boolean true
+     */
+    public function compile($args, $compiler) {
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+
+        $saved_data = $this->closeTag($compiler, array('private_child_block'));
+
+        // end of child block
+        $compiler->popTrace();
+
+        $compiler->nocache = $saved_data[1];
+        $compiler->has_code = false;
+
+        return true;
+    }
+}