From e5c9b850083159b9f435c964d92b5351659174d9 Mon Sep 17 00:00:00 2001
From: TorchedSammy <38820196+TorchedSammy@users.noreply.github.com>
Date: Wed, 13 Apr 2022 16:58:36 -0400
Subject: [PATCH] feat: add ctrl _ to undo

---
 readline/readline.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/readline/readline.go b/readline/readline.go
index 129d5c7..f703489 100644
--- a/readline/readline.go
+++ b/readline/readline.go
@@ -416,6 +416,10 @@ func (rl *Instance) Readline() (string, error) {
 				rl.renderHelpers()
 			}
 
+		case charCtrlUnderscore:
+			rl.undoLast()
+			rl.viUndoSkipAppend = true
+
 		case '\r':
 			fallthrough
 		case '\n':