What is “trr” Package?

Type training program for emacs users
For more details: https://code.google.com/archive/p/trr22/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install trr.

  brew install trr

Now, use trr!