From 524d7f0a2fb33ee225ed4e319ed7206a24a6c1e3 Mon Sep 17 00:00:00 2001
From: ori <oribarilan@gmail.com>
Date: Wed, 17 Jun 2026 11:32:13 +0300
Subject: [PATCH] fix: update stale comment on undo snapshot clearing

---
 src/index.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 2f3482b..3171c51 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -80,8 +80,9 @@ const plugin: TuiPluginModule = {
     function applyActions(actions: Action[]) {
       let keepUndoSnapshotForBatch = false;
       for (const action of actions) {
-        // Any buffer-modifying action (other than our own deleteRange/undo)
-        // invalidates the undo snapshot.
+        // Buffer-modifying actions (cmd, insertText) clear the undo stack,
+        // unless this batch includes a saveUndoSnapshot (which sets
+        // keepUndoSnapshotForBatch to preserve the stack).
         if ((action.type === "cmd" || action.type === "insertText") && !keepUndoSnapshotForBatch) {
           undoSnapshots = [];
         }