This is e-pTeX, Version 3.14159265-p3.7.2-170924-2.6 (utf8.euc) (TeX Live 2018/dev) (preloaded format=eptex 2017.9.25)  25 SEP 2017 20:40
entering extended mode
 restricted \write18 enabled.
 %&-line parsing enabled.
**test
(./test.tex E V E H E V E H E V
! Undefined control sequence.
l.16 \pdfprimitive\par\q
                           % ! Undefined control sequence.
?
E V
! Undefined control sequence.
l.21 \pdfprimitive\ \q
                           % no error
?
E H
! Undefined control sequence.
l.23 \pdfprimitive\ \q
                           % ! Undefined control sequence.
?
E V
! Undefined control sequence.
l.26 \pdfprimitive\ \q
                           % no error
?
E V
! Undefined control sequence.
l.31 \pdfprimitive\vrule\q
                           % no error
?
E H
! Undefined control sequence.
l.33 \pdfprimitive\vrule\q
                           % ! Undefined control sequence.
?
E V
! Undefined control sequence.
l.36 \pdfprimitive\vrule\q
                           % no error
?
E V [1] )
Output written on test.dvi (1 page, 208 bytes).