Index: branches/5.2.x/core/install/step_templates/sys_requirements.tpl
===================================================================
diff -u -N -r14863 -r15130
--- branches/5.2.x/core/install/step_templates/sys_requirements.tpl	(.../sys_requirements.tpl)	(revision 14863)
+++ branches/5.2.x/core/install/step_templates/sys_requirements.tpl	(.../sys_requirements.tpl)	(revision 15130)
@@ -11,17 +11,18 @@
 		</tr>';
 
 	$check_titles = Array (
-		'php_version' => 'PHP version: 5.2+ (required)',
+		'php_version' => 'PHP version: 5.3.2+ (required)',
 		'url_rewriting' => 'URL Rewriting Support (optional)',
 		'java' => 'Java (optional)',
 		'sep1' => '<strong>PHP extensions:</strong>',
 		'memcache' => '- Memcache (optional)',
 		'curl' => '- Curl (required)',
+		'simplexml' => '- SimpleXML (required)',
 		'freetype' => '- Freetype (required)',
 		'gd_version' => '- GD 1.8+ (required)',
 		'jpeg' => '- jpeg (required)',
 		'mysql' => '- MySQL (required)',
-		'json' => '- JSON (optional)',
+		'json' => '- JSON (required)',
 		'sep2' => '<strong>PHP settings:</strong>',
 		'memory_limit' => "- ini_set('memory_limit', ...) works (optional)",
 		'date.timezone' => "- ini_get('date.timezone') - timezone set (required)",
@@ -33,7 +34,7 @@
 	$check_results = $this->toolkit->CallPrerequisitesMethod('core/', 'CheckSystemRequirements');
 
 	/*$required_checks = Array (
-		'php_version', 'curl', 'freetype', 'gd_version',
+		'php_version', 'simplexml', 'curl', 'freetype', 'gd_version',
 		'jpeg', 'mysql', 'date.timezone', 'output_buffering',
 	);