@tftp@tilde.town mentioning in here requires he whole shebang. With jenny, if using vim, there is a key combination:
Nick name completions: Allows you to use ^X ^U to turn verbatim nick names into full twtxt mentions. For example, typing “cath” and then pressing ^X ^U will turn “cath” into a full mention, like “@”. (This function will read the contents of your “~/.config/jenny/follow” file.)