This is pdfTeX, Version 3.14159265-2.6-1.40.16 (TeX Live 2015) (preloaded format=pdflatex 2015.10.13)  25 JUN 2022 10:00
entering extended mode
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LaTeX2e <2015/01/01>
Babel <3.9l> and hyphenation patterns for 79 languages loaded.
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{\showbox}
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! OK.
l.8 {\tracingall\scrollmode\showbox0
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{end-group character }}
{restoring \tracingassigns=0}
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Here is how much of TeX's memory you used:
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