restricted system commands enabled.
(./pdfext-dvi.tex [0] [3]
! unexpected use of \pdffeedback.
l.6 \message{[\pdffeedback
lastobj]}
[lastobj]
! OK (see the transcript file).
l.8 \showboxdepth=10 \showboxbreadth=100 \showbox0
)
(see the transcript file for additional information)
No pages of output.
Transcript written on pdfext-dvi.log.