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I guess the same changes were applied to emacs-23 and trunk separately.
More duplicates remain.

* lisp/calendar/cal-hebrew.el (calendar-hebrew-birthday, diary-hebrew-date):
Rename and rework functions added in previous change.

* etc/NEWS: Mention diary-hebrew-birthday.

* lisp/calendar/cal-hebrew.el (hebrew-calendar-birthday, diary-hebrew-birthday):
New functions.

* lisp/dired.el (dired-safe-switches-p): Beef it up.
(dired-actual-switches): Use it for the safe-local-variable property.

* lisp/files.el (dir-locals-collect-variables):
Add the ability to exclude subdirectories.

* doc/emacs/custom.texi (Directory Variables):
Give an example of excluding subdirectories.

* doc/lispref/variables.texi (Directory Local Variables):
Mention `(subdirs . nil)' alist element.

* etc/NEWS: Mention this addition.

* lisp/dired-x.el (dired-omit-here-always): Add `(subdirs . nil)' to locals.

(ido-mode): Doc fix.

* lisp/dired-aux.el (dired-update-file-line): Fix 2010-11-09 change.

(pcase-mutually-exclusive-predicates): New var.
(pcase--split-consp, pcase--split-pred): Use it.
(pcase--split-equal, pcase--split-member): When splitting against
a pure predicate, run it to know the outcome.
(pcase--u1): Mark vars that are actually used.
(pcase--q1): Avoid introducing unused vars.

instead of `calc-ul-prefix-help'.

* calc/calc-math.el (calcFunc-log10): Don't signal an error in symbolic
mode.

* calc/calc-vec.el (calcFunc-subscr): Don't do anything if the first
argument is a variable.

 lisp/international/mule-cmds.el (set-default-coding-systems): Use
 the -unix variant of encoding in default-keyboard-coding-system.

(aput, adelete, amake): Replace `eval' -> `symbol-value'.
Suggested by Michael Heerdegen <michael_heerdegen@web.de>.

Fixes: debbugs:8126

auth-source.el (auth-source-search): Cache empty result sets.
password-cache.el (password-in-cache-p): Convenience function to check if a key is in the cache, even if the value is nil.

* emacs-lisp/package-x.el (package--archive-contents-from-url)
(package--archive-contents-from-file): New functions.
(package-update-news-on-upload): New var.
(package-upload-buffer-internal): Extract archive-contents from
package-archive-upload-base if it is not found at archive-url.
Obey package-update-news-on-upload.
(package-upload-buffer, package-upload-file): Doc fix.

* lisp/files-x.el (modify-dir-local-variable): Handle dir-locals from
the cache, and from non-file sources.

* lisp/help-fns.el (describe-variable): Return consistent results when a
dir-local from a file came from the cache or did not.
If a dir-local has no associated file, say it came from a "directory".

* lisp/files.el (hack-local-variables-confirm, hack-local-variables-filter):
Doc fix (say _which_ directory `dir-name' is).
(hack-dir-local-variables): Fix setting of `dir-name'.
Previous value seems clearly wrong.  Eg put a risky variable in a
dir-locals file, visit a file in a subdirectory, see which directory
it says the risky variables come from.  It should be the one with the
associated directory variables, not the one containing the visited file.

* lisp/files.el (dir-locals-find-file): Doc fix.
Fix the check for cache elements that have no associated file,
and the mtime check for those that do.

Still to do: some places that use dir-locals-find-file assume the
result is always a file, which is not true. (The function name is
misleading.)

* lisp/dired-x.el (dired-hack-local-variables):
Handle interrupts during hacking local variables.

* lisp/emacs-lisp/autoload.el (autoload-save-buffers)
(autoload-find-destination, update-directory-autoloads):
Avoid prompts when updating autoloads.

* lisp/dired.el (dired-mode): Call hack-dir-local-variables-non-file-buffer.

* lisp/dired-x.el (dired-omit-mode): Safe if boolean.
(dired-enable-local-variables): Fix doc and custom type.  Mark risky.
(dired-enable-local-variables, dired-local-variables-file)
(dired-hack-local-variables): Make obsolete.
(dired-omit-here-always): Use dir-locals.el instead.

* doc/misc/dired-x.texi (Features): Don't advertise obsolete local variables.
Simplify layout.
(Omitting Variables): Update local variables example.
(Local Variables): Say this is obsolete.  Fix description of
dired-enable-local-variables possible values.

* etc/NEWS: Relocate the existing entry about directory local
variables in file-les buffers, and make it clearer.
Mention above dired changes.

This obsolete form is still supported, and present in some of the
files synced from gnulib, for example.

mail/rmailmm.el (rmail-mime-process-multipart): Do not signal an error when a multipart boundary in the nested multipart is found.

the DOC file disappeared.

remote check to "ftp".  (Bug#8089)

c-state-nonlit-pos-cache.  Strengthen the comments.

(c-state-dump): New commented out diagnostic routine.

`field' property of `rfn-eshadow-overlay'.