Decimal Point Fixed by tails

:
s/\n/<9876543210&9>/
s/\(.\)<.*\1\(\n*.\).*>/\2/
t
s/\(.\)\.\|\>/.\1/
s/^\B/0/
G
T
s/\.*0* 0*\n//
T

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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