fix bug#956 (also sp. in pluginutils)

darcs-hash:20061027004117-9b6ab-b7eda08e246e942a1ca4841b94abeda4c2ed722c.gz

inc/pluginutils.php

@@ -82,7 +82,7 @@ function &plugin_load($type,$name){
     }
   }
 
-  //construct class and instanciate
+  //construct class and instantiate
   $class = $type.'_plugin_'.$name;
   if (!class_exists($class)) return null;
 

lib/plugins/syntax.php

@@ -133,8 +133,11 @@ class DokuWiki_Syntax_Plugin extends Doku_Parser_Mode {
             foreach($allowedModeTypes as $mt) {
                 $this->allowedModes = array_merge($this->allowedModes, $PARSER_MODES[$mt]);
             }        
-                
-            unset($this->allowedModes[array_search(substr(get_class($this), 7), $this->allowedModes)]);
+
+            $idx = array_search(substr(get_class($this), 7), $this->allowedModes);
+            if ($idx !== false) {
+              unset($this->allowedModes[$idx]);
+            }
             $this->allowedModesSetup = true;
         }