From 7f9c04f36dc9f6c0fe406526648d1f91712baa8e Mon Sep 17 00:00:00 2001
From: Eshel Yaron <me@eshelyaron.com>
Date: Sun, 18 Dec 2022 13:41:16 +0200
Subject: [PATCH] FIXED: possible crash after calling sweeprolog-restart

---
 sweeprolog.el | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sweeprolog.el b/sweeprolog.el
index e444867..0527235 100644
--- a/sweeprolog.el
+++ b/sweeprolog.el
@@ -607,6 +607,8 @@ Otherwise set ARGS to nil."
       (user-error "Cannot restart sweep with running top-level processes")))
   (message "Stoping sweep.")
   (sweeprolog-cleanup)
+  (setq sweeprolog--initialized       nil
+        sweeprolog-prolog-server-port nil)
   (message "Starting sweep.")
   (apply #'sweeprolog-init args))
 
-- 
2.39.2