Index: trunk/core/units/admin/admin_tag_processor.php
===================================================================
diff -u -N -r8078 -r8104
--- trunk/core/units/admin/admin_tag_processor.php	(.../admin_tag_processor.php)	(revision 8078)
+++ trunk/core/units/admin/admin_tag_processor.php	(.../admin_tag_processor.php)	(revision 8104)
@@ -151,8 +151,14 @@
 				return $ret;
 			}
 
+			$debug_mode = $this->Application->isDebugMode(); // caching for faster performance
 			ksort($section_data['children'], SORT_NUMERIC);
 			foreach ($section_data['children'] as $section_name) {
+				$section_data =& $sections_helper->getSectionData($section_name);
+				if (!$debug_mode && isset($section_data['debug_only']) && $section_data['debug_only']) {
+					// don't show section for debug mode only without debug mode turned on
+					continue;
+				}
 				$params['section_name'] = $section_name;
 				$ret .= $this->DrawTree($params);
 				$deep_level--;