Index: src/OFXMLElementBuilder.m
==================================================================
--- src/OFXMLElementBuilder.m
+++ src/OFXMLElementBuilder.m
@@ -201,15 +201,14 @@
 - (void)elementBuilder: (OFXMLElementBuilder*)builder
   didNotExpectCloseTag: (OFString*)name
 	    withPrefix: (OFString*)prefix
 	     namespace: (OFString*)ns
 {
-	@throw [OFMalformedXMLException exceptionWithClass: [builder class]
-						    parser: nil];
+	@throw [OFMalformedXMLException exceptionWithClass: [builder class]];
 }
 
 - (OFString*)elementBuilder: (OFXMLElementBuilder*)builder
     foundUnknownEntityNamed: (OFString*)entity
 {
 	return nil;
 }
 @end

Index: src/exceptions/OFMalformedXMLException.m
==================================================================
--- src/exceptions/OFMalformedXMLException.m
+++ src/exceptions/OFMalformedXMLException.m
@@ -28,18 +28,10 @@
 {
 	return [[[self alloc] initWithClass: class_
 				     parser: parser] autorelease];
 }
 
-- initWithClass: (Class)class_
-{
-	Class c = isa;
-	[self release];
-	@throw [OFNotImplementedException exceptionWithClass: c
-						    selector: _cmd];
-}
-
 - initWithClass: (Class)class_
 	 parser: (OFXMLParser*)parser_
 {
 	self = [super initWithClass: class_];
 
@@ -58,16 +50,20 @@
 - (OFString*)description
 {
 	if (description != nil)
 		return description;
 
-	description = [[OFString alloc] initWithFormat:
-	    @"The parser in class %@ encountered malformed XML!", inClass];
+	if (parser != nil)
+		description = [[OFString alloc] initWithFormat:
+		    @"The parser in class %@ encountered malformed XML!",
+		    inClass];
+	else
+		description = @"A parser encountered malformed XML!";
 
 	return description;
 }
 
 - (OFXMLParser*)parser
 {
 	return parser;
 }
 @end