And since I've mentioned GNU groff elsethread, here's where it today in its "ascii" mode uses a minus sign instead of the equals sign to do the very same thing

And since I've mentioned GNU groff elsethread, here's where it today in its "ascii" mode uses a minus sign instead of the equals sign to do the very same thing as you did on your typewriter, for "Po", the macro for producing a pound symbol. * https://cgit.git.savannah.gnu.org/cgit/groff.git/tree/tmac/tty-char.tmac?id=32393c7e30ed9b3787f458adf6b2e861b97b9088#n155 https://cgit.git.savannah.gnu.org/cgit/groff.git/tree/tmac/t...