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nadger

   people), to twiddle some object in a hidden manner, generally so
   that it conforms better to some format.  For instance, string
   printing routines on 8-bit processors often take the string text
   from the instruction stream, thus a print call looks like `jsr
   print:"Hello world"'.  The print routine has to `nadger' the
   saved instruction pointer so that the processor doesn't try to
   execute the text as instructions when the subroutine returns.