%entities; ]> . . 0 PTX:BUG: development bug, new level does not match old level for "" PTX:BUG: an element ("") does not know its *new* level PTX:BUG: an element ("") does not know its level ( ) ( ) . . . [NUM] PTX:BUG: An object () lacks a serial number, search output for "[NUM]" [STRUCT] PTX:BUG: An object () lacks a structure number, search output for "[STRUCT]" : .