update overlib to 3.50, adjust addon code so that the overlib.js file isn't modified

Smarty.addons.php

@@ -700,7 +700,9 @@ function smarty_func_assign_debug_info($args, &$smarty_obj) {
 function smarty_func_overlib_init($args, &$smarty_obj) {
 	// be sure to place overlib.js where Smarty can locate it.
 	// overlib.js came with the distribution of Smarty.
+	echo '<DIV ID="overDiv" STYLE="position:absolute; visibility:hidden; z-index:1000;"></DIV>'."\n".'<SCRIPT LANGUAGE=javascript>'."\n".'<!--'."\n";
 	readfile(SMARTY_DIR."overlib.js",1);	
+	echo '// -->'."\n".'</SCRIPT>'."\n";
 	return;
 }
 

Smarty.class.php

@@ -602,7 +602,11 @@ class Smarty
 \*======================================================================*/
 
 function _generate_debug_output() {
+	// we must force compile the debug template in case the environment
+	// changed between separate applications.
     ob_start();
+	$force_compile_orig = $this->force_compile;
+	$this->force_compile = true;
     if($this->_process_template($this->debug_tpl, $compile_path))
 	{
 		if ($this->show_info_include) {
@@ -614,6 +618,7 @@ function _generate_debug_output() {
 		}
 	}   
     $results = ob_get_contents();
+	$this->force_compile = $force_compile_orig;
     ob_end_clean();
     return $results;
 }   

docs.sgml

@@ -56,8 +56,8 @@
 		pull variables from them into the templates. The list goes on.
 		</para>
 		<para>
-		We started out writing out a spec for a template engine about a year
-		ago.  After finishing the spec, we began to work on a template engine
+		We started out writing out a spec for a template engine back in late
+		1999.  After finishing the spec, we began to work on a template engine
 		written in C that would hopefully be accepted for inclusion with PHP.
 		Not only did we run into many complicated technical barriers, but there
 		was also much heated debate about exactly what a template engine should
@@ -1530,14 +1530,15 @@ email: zaphod@slartibartfast.com&lt;br&gt;
 			</para>
 		</sect2>
 		<sect2>
-			<title>Request Variables</title>
+			<title>{$smarty} reserved variable</title>
 			<para>
-			You can access request variables in Smarty via the special variable
-			{$smarty}. You can access get, post, cookies, server, env and
-			session variables with the syntax in the following examples.
+			You can access reserved variables in Smarty via the special
+			variable {$smarty}. You can access request variables such as get,
+			post, cookies, server, env and session variables with the syntax in
+			the following examples.
 			</para>
 			<para>
-			Request variable access was added to Smarty 1.4.4.
+			The special variable {$smarty} was added to Smarty 1.4.4.
 			</para>
 <example>
 
@@ -1565,6 +1566,20 @@ email: zaphod@slartibartfast.com&lt;br&gt;
 {* display the variable "username" from merged get/post/cookies/server/env *}
 {$smarty.request.username}
 
+</programlisting>
+</example>
+			<para>
+			The current date can be displayed with {$smarty.now}. This is a unix
+			timestamp of the current date/time.
+			</para>
+<example>
+
+<title>displaying current date</title>
+<programlisting>
+
+{* use the date_formate modifier to format the date *}
+{$smarty.now|date_format:"%Y-%m-%d %H:%M:%S"}
+
 </programlisting>
 </example>
 		</sect2>

libs/Smarty.class.php

@@ -602,7 +602,11 @@ class Smarty
 \*======================================================================*/
 
 function _generate_debug_output() {
+	// we must force compile the debug template in case the environment
+	// changed between separate applications.
     ob_start();
+	$force_compile_orig = $this->force_compile;
+	$this->force_compile = true;
     if($this->_process_template($this->debug_tpl, $compile_path))
 	{
 		if ($this->show_info_include) {
@@ -614,6 +618,7 @@ function _generate_debug_output() {
 		}
 	}   
     $results = ob_get_contents();
+	$this->force_compile = $force_compile_orig;
     ob_end_clean();
     return $results;
 }