Insert lines (IL)

Category: editing · Tags: ECMA-48 Standard, VT100 · Specification ↗

IL inserts N blank lines at the cursor row, scrolling existing lines down within the scroll region. The sequence is ESC [ N L (default N=1). Lines scrolled past the bottom margin are lost. Used by full-screen applications to make room for new content without redrawing the entire screen.

Supported by 6 of 6 backends (100%)

Support Matrix

Backend	Version	Support	Notes
Alacritty	0.26.0	✓ yes
Ghostty	1.3.1	✓ yes
Kitty	0.40.0	✓ yes
vt100	0.1.0	✓ yes
WezTerm	0.1.0-fork.5	✓ yes
xterm.js	5.5.0	✓ yes

← Back to matrix · editing features