gnosis-prompt-tags--split: Return "untagged" when input value is nil

Having "" tag should be avoided.

1 files changed, 1 insertions, 1 deletions

diff --git a/gnosis.el b/gnosis.el
index 3cd62d9..1b0518f 100644
--- a/gnosis.el
+++ b/gnosis.el
@@ -886,7 +886,7 @@ provided, use it as the default value."
   (let* ((previous-note-tags (or nil previous-note-tags))
 	 (tags (split-string (read-from-minibuffer "Tags: " (mapconcat #'identity previous-note-tags " ")) " ")))
     (setf gnosis-previous-note-tags tags)
-    tags))
+    (if (equal tags '("")) '("untagged") tags)))
 
 ;; Review
 ;;;;;;;;;;