This is TeX, Version 0.99 (INITEX)
** &trip  trip 
(TRIP.TEX ##
! Bad number (-7).
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                   8
l.94 \openout-'78
                 terminal \openout10=tripos % we will write t...

Completed box being shipped out [0.0.0.0.11]
! Missing number, treated as zero.
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                   {
<write> \uppercase {\number {
                             \outputpenalty }}
<inserted text> 
                }\endwrite 
l.106 \penalty-10000 
                     % now the default output routine will act
Memory usage before: 148&301; after: 91&269; max so far: 160&357

{\global}
{\end}
! Missing } inserted.
<inserted text> 
                }
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                   \end 
l.442 \global\tracingoutput1\end
                                
{end-group character }}
> 3.
<output> {\showthe \deadcycles 
                               \global \advance \countz by1\g...
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                   \end 
l.442 \global\tracingoutput1\end
                                
! You can't use `\end' in internal vertical mode.
<recently read> \end 
                     
<output> ...l {}\unvbox 255\end 
                                \rb }
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                   \end 
l.442 \global\tracingoutput1\end
                                
! Unbalanced \output routine.
<output> ...\unvbox 255\end \rb 
                                }
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                   \end 
l.442 \global\tracingoutput1\end
                                
! \output loop---3 consecutive dead cycles.
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                   \end 
l.442 \global\tracingoutput1\end
                                

Completed box being shipped out [-1.2.-1118806.0.11.196608.327680.157286
4.1073741823]
! Unbalanced \write command.
<write> \if 01{\else unbal}\fi 
                               
<inserted text> 
                }\endwrite 
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                   \end 
l.442 \global\tracingoutput1\end
                                
Memory usage before: 284&362; after: 242&349; max so far: 2187&490
(\end occurred inside a group at level 1)
(\end occurred when \if on line 442 was incomplete)
(\end occurred when \ifcase on line 419 was incomplete)
(\end occurred when \iftrue on line 413 was incomplete)
(see the log file for additional information)
Output written on TRIP.DVI (16 pages, 2888 bytes).