emacs-29 946d4aad1df: Avoid errors in Info-search-case-sensitively in DIR buffers

[Eli Zaretskii]

branch: emacs-29
commit 946d4aad1dfb244352dfd0845a8bc3078fe9bca4
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Avoid errors in Info-search-case-sensitively in DIR buffers
    
    * lisp/info.el (Info-search): Don't run the "try other subfiles"
    code if there are no subfiles.  This happens, for example, in DIR
    files.  (Bug#70058)
---
 lisp/info.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/info.el b/lisp/info.el
index 1c6df9a6ee5..5817737ca92 100644
--- a/lisp/info.el
+++ b/lisp/info.el
@@ -2056,7 +2056,7 @@ If DIRECTION is `backward', search in the reverse 
direction."
                       (re-search-forward regexp nil t))
               (signal 'user-search-failed (list regexp))))))
 
-      (if (and bound (not found))
+      (if (and (or bound (not Info-current-subfile)) (not found))
           (signal 'user-search-failed (list regexp)))
 
       (unless (or found bound)