3 ms·

Hmmm. The page says "VT100: horizontal lines in different Y positions" are non-unicode characters, except those exist: ⎺⎻─⎼⎽

• mjevans 10y ago
  I imagine the terminal font actually had a potential line at each pixel.
• dzdt 10y ago
  Probably the author was using an old unicode reference. They were added relatively late, in Unicode 3.2. Or could be he just missed them!