The urgency in that correction slip is amusing (Imperative! Urgent! A ghost word!), considering how inconsequential of a mistake it is.
What's the absolute worst case caused by a ghost word like dord - someone accidentally uses it in a paper?
What's the absolute worst case caused by a ghost word like dord - someone accidentally uses it in a paper?
Imagine "dord" caught on as a synonym for density in all its senses including stupidity. Now imagine one document of a riot caused after accidentally ordering a squad to shoot when calling out about a fire. A poorly chosen "word" causing death gets corrupted to a misplaced "dord" and it gets taken as caused by one idiot who shouldn't have been chosen to lead (also accurate but not intended). A mention of a D or d in the chemical context taken as a stealth insult or joke like 1D10T Error.
For some people everything is urgent. Everything.
It's part of the reason that web pages because so unusable. Every single lower middle manager thinks their change is the most important thing in the world.