Editing

Insert and delete operations for characters and lines. ICH, DCH, IL, and DL are core VT100/VT220 sequences used by virtually every full-screen terminal application (vim, tmux, less). They allow inserting blank space or removing content at the cursor position, shifting surrounding content to accommodate the change.

5 features in this category

Support Matrix

Feature	Ghostty	Kitty	Alacritty	xterm.js	WezTerm	vt100
Delete characters (DCH)	✓	✓	✓	✓	✓	✓
Delete lines (DL)	✓	✓	✓	✓	✓	✓
Insert characters (ICH)	✓	✓	✓	✓	✓	✓
Insert lines (IL)	✓	✓	✓	✓	✓	✓
Repeat character (REP)	✓	✓	✓	✓	✓	✗

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