@@ -12,10 +12,11 @@
 #import "OFObject.h"
 #import "OFString.h"
 
 extern int _OFXMLParser_reference;
 
+@class OFMutableString;
 @class OFXMLParser;
 
 /**
  * A protocol that needs to be implemented by delegates for OFXMLParser.
  */
@@ -118,19 +119,19 @@
 		OF_XMLPARSER_IN_COMMENT_1,
 		OF_XMLPARSER_IN_COMMENT_2,
 		OF_XMLPARSER_IN_COMMENT_3,
 		OF_XMLPARSER_IN_COMMENT_4
 	} state;
-	OFString *cache;
+	OFMutableString *cache;
 	OFString *name;
 	OFString *prefix;
 	OFString *ns;
-	OFArray *attrs;
+	OFMutableArray *attrs;
 	OFString *attr_name;
 	OFString *attr_prefix;
 	char delim;
-	OFArray *previous;
+	OFMutableArray *previous;
 }
 
 /**
  * \return A new, autoreleased OFXMLParser
  */