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Make (subdirs . nil) in .dir-locals.el work

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* lisp/files.el (dir-locals-collect-variables): Don't
destructively modify the cached structure (bug#17205), because
that means that (subdirs . nil) doesn't work.
This commit is contained in:
Lars Ingebrigtsen 2021-01-23 23:12:05 +01:00
parent 1559cc445a
commit 75f6b264f5
1 changed files with 1 additions and 1 deletions
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lisp/files.el
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@ -4062,7 +4062,7 @@ Return the new variables list."
(subdirs (assq 'subdirs alist)))
(if (or (not subdirs)
(progn
(setq alist (delq subdirs alist))
(setq alist (remq subdirs alist))
(cdr-safe subdirs))
;; TODO someone might want to extend this to allow
;; integer values for subdir, where N means