emacs-28 c3087b59f0: ; * lisp/find-file.el (ff-other-file-alist): Another doc fix. (Bug#57325)

[Eli Zaretskii]

branch: emacs-28
commit c3087b59f062b8d48b554b5dc3ac67f511058070
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    ; * lisp/find-file.el (ff-other-file-alist): Another doc fix.  (Bug#57325)
---
 lisp/find-file.el | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/lisp/find-file.el b/lisp/find-file.el
index e137397d24..999cdd164e 100644
--- a/lisp/find-file.el
+++ b/lisp/find-file.el
@@ -192,12 +192,16 @@ filename that EXTRACT returned."
 The value could be an alist or a symbol whose value is an alist.
 Each element of the alist has the form
 
-  (REGEXP (ETXENSION...))
+   (REGEXP (ETXENSION...))
+or
+   (REGEXP FUNCTION)
 
 where REGEXP is the regular expression matching a file's extension,
-and EXTENSIONs is the list of literal file-name extensions to search for.
-This list should contain the most used extensions before the others,
-since the search algorithm searches sequentially through each
+EXTENSIONs is the list of literal file-name extensions to search for,
+and FUNCTION is a function of one argument, the current file's name,
+that returns the list of extensions to search for.
+The list of extensions should contain the most used extensions before the
+others, since the search algorithm searches sequentially through each
 directory specified in `ff-search-directories'.  If a file is not found,
 a new one is created with the first matching extension (`.cc' yields `.hh').
 This alist should be set by the major mode."