[elpa] externals/dired-preview a2126aefff 05/15: Check if file exists while testing if it can be previewed

[ELPA Syncer]

branch: externals/dired-preview
commit a2126aefff63fea055ff1fe4981b1d8c37ef6397
Author: Protesilaos Stavrou <info@protesilaos.com>
Commit: Protesilaos Stavrou <info@protesilaos.com>

    Check if file exists while testing if it can be previewed
---
 dired-preview.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dired-preview.el b/dired-preview.el
index 5f5261edf9..52c012406f 100644
--- a/dired-preview.el
+++ b/dired-preview.el
@@ -417,7 +417,8 @@ Only do it with the current major mode is Dired."
 
 (defun dired-preview--preview-p (file)
   "Return non-nil if FILE can be previewed."
-  (and (file-regular-p file)
+  (and file
+       (file-regular-p file)
        (file-readable-p file)
        (not (dired-preview--file-displayed-p file))
        (not (dired-preview--file-ignored-p file))))