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Fix "Narrowing src/ file breaks xref"

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* lisp/emacs-lisp/find-func.el (find-function-C-source):
Look outside of the current narrowing as well (bug#80749).
This commit is contained in:
Dmitry Gutov
2026-04-09 05:53:27 +03:00
parent 1df537e8eb
commit 9d6d4cabbf
1 changed files with 13 additions and 12 deletions
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25
lisp/emacs-lisp/find-func.el
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@@ -302,18 +302,19 @@ TYPE should be nil to find a function, or `defvar' to find a variable."
(indirect-function
(find-function-advised-original fun-or-var)))))
(with-current-buffer (find-file-noselect file)
(goto-char (point-min))
(unless (re-search-forward
(if type
(concat "DEFVAR[A-Z_]*[ \t\n]*([ \t\n]*\""
(regexp-quote (symbol-name fun-or-var))
"\"")
(concat "DEFUN[ \t\n]*([ \t\n]*\""
(regexp-quote (subr-name (advice--cd*r fun-or-var)))
"\""))
nil t)
(error "Can't find source for %s" fun-or-var))
(cons (current-buffer) (match-beginning 0))))
(without-restriction
(goto-char (point-min))
(unless (re-search-forward
(if type
(concat "DEFVAR[A-Z_]*[ \t\n]*([ \t\n]*\""
(regexp-quote (symbol-name fun-or-var))
"\"")
(concat "DEFUN[ \t\n]*([ \t\n]*\""
(regexp-quote (subr-name (advice--cd*r fun-or-var)))
"\""))
nil t)
(error "Can't find source for %s" fun-or-var))
(cons (current-buffer) (match-beginning 0)))))
;;;###autoload
(defun find-library (library)