Appearance
Left/Right Margins (DECLRMM, Mode 69)
DECLRMM (mode 69) enables left and right scroll margins, similar to top/bottom margins set by DECSTBM. When enabled, DECSLRM sets the left and right margins. Scrolling and editing operations are confined to the margin area.
How this is tested: Enable mode 69 via CSI ? 69 h, verify via DECRPM that the mode is recognized.
Supported by 7 of 14 backends (50%)
Terminal Applications
| Terminal | Version | Support | Notes |
|---|---|---|---|
| iterm2-app | 3.6.9 | ✓ yes | |
| kitty-app | 0.46.2 | ✓ yes | |
| Terminal.app | 2.15 | ✓ yes | |
| iTerm2 | 3.6.9 | ? unknown | |
| Ghostty | 1.3.1 | ? unknown | |
| cmux | 0.62.2 | ? unknown | |
| Kitty | 0.46.2 | ? unknown | |
| VS Code | 1.112.0 | ? unknown | |
| Warp | 0.2026.03.18.08.24.03 | ? unknown | |
| Cursor | 2.6.21 | ? unknown |