From d0c69ae8e7cddcd68a56617a4a82d1ea30d8ae5a Mon Sep 17 00:00:00 2001
From: SqrtMinusOne <thexcloud@gmail.com>
Date: Sun, 26 Nov 2023 01:41:33 +0300
Subject: [PATCH] Add warning to reverso-history

---
 reverso.el | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/reverso.el b/reverso.el
index 302061d..b4324c7 100644
--- a/reverso.el
+++ b/reverso.el
@@ -1240,6 +1240,9 @@ OP, DATA and PARAMS are as described in `reverso--operation-hook'."
 
 Enable `reverso-history-mode' to record history."
   (interactive)
+  (when (and (seq-empty-p reverso--history)
+             (not reverso-history-mode))
+    (user-error "Enable `reverso-history-mode' to record history"))
   (reverso--with-buffer
     (insert
      (format