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Erase line (EL 2)
ESC [ 2 KEL 2 erases the entire current line. The sequence is
ESC [ 2 K. The cursor position is not changed. Used to clear a full line before rewriting it.How this is testedautomated
Write "XXXXX", send
Write "XXXXX", send
\x1b[2K (EL 2), verify cell at (0,0) is blank.The same probe runs against headless backends (via Termless) and real terminal apps (via a daemon launched in each terminal). This lets us distinguish parser correctness from rendering correctness.
Analysis2026-04-06
Supported by all 12 tested terminals — universal adoption. Part of the Core TUI baseline.
Supported by 13 of 14 backends (93%)
Terminal Applications
| Terminal | Version | Support | Notes |
|---|---|---|---|
| iTerm2 | 3.6.9 | ✓ yes | |
| Ghostty | 1.3.1 | ✓ yes | |
| VS Code | ✓ yes | ||
| Warp | ✓ yes | ||
| Cursor | ✓ yes | ||
| Terminal.app | ✓ yes |