[nongnu] elpa/isl c21205dea5e 210/413: Prevent adding nil entries to isl-visited-buffers

[ELPA Syncer]

branch: elpa/isl
commit c21205dea5e1e404cec928a462c84038b3aec090
Author: Thierry Volpiatto <thie...@posteo.net>
Commit: Thierry Volpiatto <thie...@posteo.net>

    Prevent adding nil entries to isl-visited-buffers
---
 isearch-light.el | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/isearch-light.el b/isearch-light.el
index 2aa238bc38e..8ec0e34f14f 100644
--- a/isearch-light.el
+++ b/isearch-light.el
@@ -886,9 +886,10 @@ appended at end."
           isl-current-buffer (current-buffer)
           isl--buffer-invisibility-spec buffer-invisibility-spec
           cursor-in-non-selected-windows nil))
-  (setq isl-visited-buffers
-        (cons isl-current-buffer
-              (delete isl-current-buffer isl-visited-buffers)))
+  (when isl-current-buffer
+    (setq isl-visited-buffers
+          (cons isl-current-buffer
+                (delete isl-current-buffer isl-visited-buffers))))
   (unwind-protect
       (condition-case-unless-debug nil
           (isl-read-from-minibuffer