This is pdfTeX, Version 3.14159265-2.6-1.40.20 (TeX Live 2019 Gentoo Linux) (preloaded format=pdflatex 2019.11.18)  1 DEC 2019 19:23
entering extended mode
 restricted \write18 enabled.
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**reteD.pdf
(/usr/share/texmf-dist/tex/latex/tools/x.tex
! Interruption.
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                   \begingroup 
l.1 
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? x
 
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 233 string characters out of 6177412
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 1 words of extra memory for PDF output out of 10000 (max. 10000000)