Note: As capital letters are produced by sending Shift, A produces a different effect in some programs than a. For example, !A presses Alt+Shift+A and !a presses Alt+A. If in doubt, use lowercase. The characters {} are used to enclose key names and other options, and to send special characters literally. For example, {Tab} is Tab and {!} is a literal exclamation mark. [v1.1.27+]: Enclosing a plain