From c729ef0778e166feb340d05b89a30df4e544c662 Mon Sep 17 00:00:00 2001
From: "Kenneth Benzie (Benie)" <benie@infektor.net>
Date: Thu, 27 Aug 2026 16:11:08 +0100
Subject: [PATCH] Enable extended-keys support

---
 tmux.conf | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tmux.conf b/tmux.conf
index bb4b1a1..9af16ed 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -38,6 +38,14 @@ set -as terminal-features ',xterm*:clipboard'
 # Focus events enabled for terminals that support them
 set -g focus-events on
 
+# Forward modifier information so apps, csi-u format requires tmux 3.5+.
+if -b '~/.config/tmux/check-version.sh ">= 3.2"' {
+  set -g extended-keys on
+}
+if -b '~/.config/tmux/check-version.sh ">= 3.5"' {
+  set -g extended-keys-format csi-u
+}
+
 # Aggressively resize the chosen window to smallest/largest session
 setw -g aggressive-resize on