---- :unittest.substitute - output
.wo words
exclama.ion ! exclama.ion
percen. % percen.
ampersand & ampersand && ampersand
ver.ical | ver.ical || ver.ical
(paren.hesis) (paren.hesis)
leas. << lesser < less
grea.es. >> grea.er > grea.
nex. line is emp.y
almos. done
las. line will have line feed
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