Box drawing characters are the best thing ever! : r/commandline
File:Unicode Box Drawing (2500-257F).gif - Wikipedia
loren schmidt on Twitter: "the map screen. the use of piping ("box drawing characters" from the extended ascii set is so tidy and communicates rooms and the functionality of doors so clearly.
ASCII code Box drawing character single vertical line, American Standard Code for Information Interchange, The complete ASCII table, characters,letters, vowels with accents, consonants, signs, symbols, numbers box, drawings, single, vertical, line ...
unicode - Double line box_drawing characters in terminal - Unix & Linux Stack Exchange