emacs-28 ea65de7577: eshell-complete-parse-arguments: don't use string-match on a list

[Oscar Fuentes]

branch: emacs-28
commit ea65de757766fa4cb5a090012e2f6a0aeef0b9f8
Author: Óscar Fuentes <ofv@wanadoo.es>
Commit: Óscar Fuentes <ofv@wanadoo.es>

    eshell-complete-parse-arguments: don't use string-match on a list
    
    When there is more than one candidate for completion, `val' is a list.
    
    Fixes bug#52794.
    
    * lisp/eshell/em-cmpl.el (eshell-complete-parse-arguments): protect
    use of string-match with stringp.
---
 lisp/eshell/em-cmpl.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/eshell/em-cmpl.el b/lisp/eshell/em-cmpl.el
index 4fd0afbeb8..96ec031fba 100644
--- a/lisp/eshell/em-cmpl.el
+++ b/lisp/eshell/em-cmpl.el
@@ -382,7 +382,7 @@ to writing a completion function."
                       (setq val (number-to-string val)))
                      ;; expand .../ etc that only eshell understands to
                      ;; standard ../../
-                     ((string-match "\\.\\.\\.+/" val)
+                     ((and (stringp val)) (string-match "\\.\\.\\.+/" val)
                       (setq val (eshell-expand-multiple-dots val))))
                (or val "")))
           args)