How To: Fix duplicated characters (and other artifacts) in your shell
A few days ago I started noticing strange behaviour of my shell. When typing commands or working with pasted ones, especially with tab completion, duplicated characters started showing up at the beginning of the line or in the middle in the case of working with a pasted command. Something like hx became hxhx or docker became dodocker. These duplicated characters were not editable, I could only clear the line and start fresh but the same thing would occur again, although not quite deterministically. ...