1. demo 2. vscode https://github.com/microsoft/vscode/blob/47003fa3ee1c37cff60bbfcf3313bd45e7c3daf8/src/vs/workbench/contrib/terminal/browser/xterm/xtermTerminal.ts#L521-L523
