[Emacs-diffs] emacs-25 b73f466: * lisp/cus-start.el (exec-path): Handle nil elements. (Bug#24471)

[Glenn Morris]

branch: emacs-25
commit b73f4668ab685dfb690eced15b20ed47f90efccb
Author: Glenn Morris <address@hidden>
Commit: Glenn Morris <address@hidden>

    * lisp/cus-start.el (exec-path): Handle nil elements.  (Bug#24471)
---
 lisp/cus-start.el |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lisp/cus-start.el b/lisp/cus-start.el
index 001d638..a8bcc45 100644
--- a/lisp/cus-start.el
+++ b/lisp/cus-start.el
@@ -173,7 +173,9 @@ Leaving \"Default\" unchecked is equivalent with specifying 
a default of
                                        (directory :format "%v")))
                         nil
                         :standard
-                        (mapcar 'directory-file-name
+                        (mapcar (lambda (f)
+                                  (if f (directory-file-name f)
+                                    "."))
                                 (append (parse-colon-path (getenv "PATH"))
                                         (list exec-directory))))
             (exec-suffixes execute (repeat string))