[Quoth]

Originally Posted by Tex2002ans

I discussed "O vs. 0" last year in more detail on Reddit, and brought up this example:

"So 1,000 would look like I,OOO or l,ooo."

Also mentioned ! missing from keyboards (so you had to apostrophe + backspace + period).

I'd forgotten that gem. OTOH, you can do that with C and = too. I remember using non-destructive print backspace in Wordstar in early 1980s for creative characters on stupid printers. Also it was only 7 bit ASCII so the only way to do accented letters.