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

(Change Log Commands): Add documentation for combining multiple symbols in one change.

* 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.

supported systems.

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

* src/frame.c (store_frame_param): Don't store value directly in
buffer_list and buried_buffer_list; copy the list and remove dead
buffers.

 src/msdos.c (readlink) [DJGPP < 2.04]: New stub function.
 src/msdos.h: (readlink) [DJGPP < 2.04]: Declare prototype.

 src/w32.c (symlink, readlink): New stub functions.
 nt/inc/unistd.h (readlink, symlink): Declare prototypes.

 src/msdos.c (readlink) [DJGPP < 2.04]: New stub function.
 src/msdos.h: (readlink) [DJGPP < 2.04]: Declare prototype.

This avoids a gcc warning in some configurations.

(set_menu_bar_lines, x_get_resource_string): New decls.
* msdos.c (set_menu_bar_lines): Omit decl.

(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.

It's always given int values and used as an int.  This suppresses
a gcc "comparison of unsigned expression >= 0" warning in some
configurations.

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.

(update_text_area, scrolling_window, update_frame_1): Rename locals.