[tag:ps1] should be a synonym of [tag:prompt]. There are only [two](https://unix.stackexchange.com/questions/124407/what-are-the-color-codes-that-i-can-use-in-my-ps1-prompt) [questions](https://unix.stackexchange.com/questions/127799/how-can-i-get-my-ps1-prompt-to-show-time-user-host-directories-and-git-branch) using it currently.