First horizontal split: introduces the two-column layout.
()
| 16 | return "╔" + "═" * _IW + "╗" |
| 17 | |
| 18 | def _sep_top() -> str: |
| 19 | """First horizontal split: introduces the two-column layout.""" |
| 20 | return "╠" + "═" * _LW + "╦" + "═" * _RW + "╣" |
| 21 | |
| 22 | def _sep() -> str: |
| 23 | """Internal two-column divider.""" |