--- stream.d.~1.314.~   2002-11-25 12:29:38.000000000 -0500
+++ stream.d    2002-11-28 10:54:26.000000000 -0500
@@ -16354,6 +16354,7 @@
     var uintL len;
     var uintL offset;
     var object srcstring =
unpack_string_ro(value1,&len,&offset);
+    if (len > 0)
     ssstring_append_extend(*buffer_,srcstring,offset,len);
     return eofp;
   }