@@ -130,65 +130,65 @@
 	[self release];
 	@throw [OFNotImplementedException exceptionWithClass: c
 						    selector: _cmd];
 }
 
-- initWithUnicodeString: (of_unichar_t*)string
+- initWithUnicodeString: (const of_unichar_t*)string
 {
 	Class c = isa;
 	[self release];
 	@throw [OFNotImplementedException exceptionWithClass: c
 						    selector: _cmd];
 }
 
-- initWithUnicodeString: (of_unichar_t*)string
+- initWithUnicodeString: (const of_unichar_t*)string
 	      byteOrder: (of_endianess_t)byteOrder
 {
 	Class c = isa;
 	[self release];
 	@throw [OFNotImplementedException exceptionWithClass: c
 						    selector: _cmd];
 }
 
-- initWithUnicodeString: (of_unichar_t*)string
+- initWithUnicodeString: (const of_unichar_t*)string
 		 length: (size_t)length
 {
 	Class c = isa;
 	[self release];
 	@throw [OFNotImplementedException exceptionWithClass: c
 						    selector: _cmd];
 }
 
-- initWithUnicodeString: (of_unichar_t*)string
+- initWithUnicodeString: (const of_unichar_t*)string
 	      byteOrder: (of_endianess_t)byteOrder
 		 length: (size_t)length
 {
 	Class c = isa;
 	[self release];
 	@throw [OFNotImplementedException exceptionWithClass: c
 						    selector: _cmd];
 }
 
-- initWithUTF16String: (uint16_t*)string
+- initWithUTF16String: (const uint16_t*)string
 	    byteOrder: (of_endianess_t)byteOrder
 {
 	Class c = isa;
 	[self release];
 	@throw [OFNotImplementedException exceptionWithClass: c
 						    selector: _cmd];
 }
 
-- initWithUTF16String: (uint16_t*)string
+- initWithUTF16String: (const uint16_t*)string
 	       length: (size_t)length
 {
 	Class c = isa;
 	[self release];
 	@throw [OFNotImplementedException exceptionWithClass: c
 						    selector: _cmd];
 }
 
-- initWithUTF16String: (uint16_t*)string
+- initWithUTF16String: (const uint16_t*)string
 	    byteOrder: (of_endianess_t)byteOrder
 	       length: (size_t)length
 {
 	Class c = isa;
 	[self release];