tc2text(1) on Linux
The text 456edcbf4162, as Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
convert troffcvt output to ASCII text
Flags it lists
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-D -
-E