The niladic system function ŒR returns a Carriage Return character (with Line Feed), also known as a New Line character. On output, it has the effect of moving the cursor to the start of the next line, so it is commonly used as a line separator in text vectors.
ŒA,ŒR,ŒD ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789 ŒAF ŒR 13
ŒR is the same as ŒTCNL or ŒTC[ŒIO+1]. See ŒTC and ŒTCxx.