html - Some box-drawing character in mobile browser doesn't work - Stack Overflow
Printer Command Language - Unicode segment -Box Drawing
Re: Big5 box-drawing characters missing from Unicode? from Øistein E. Andersen on 2012-05-06 (Unicode Mail List Archive)
GNU Octave - Bugs: bug #42136, Unicode box drawing chars in GUI... [Savannah]
Box-drawing character - Wikipedia
Add box-drawing and block element glyphs · Issue #11 · microsoft/cascadia-code · GitHub
ASCII Art & Unicode — Helftone
ASCII code Box drawing character single horizontal line, American Standard Code for Information Interchange, The complete ASCII table, characters,letters, vowels with accents, consonants, signs, symbols, numbers box, drawings, single, horizontal, line ...