Basic functions to set Lisp_Object and pointer slots of intervals.
* intervals.h (interval_set_parent, interval_set_object):
(interval_set_left, interval_set_right, interval_set_plist):
(interval_copy_parent): New function.
(SET_INTERVAL_OBJECT, SET_INTERVAL_PARENT, INTERVAL_PTR_SIZE): Remove.
(RESET_INTERVAL, COPY_INTERVAL_CACHE, MERGE_INTERVAL_CACHE): Adjust
indentation.
(INTERVAL_SIZE): Remove.  Adjust users.
* alloc.c, intervals.c, lread.c, textprop.c: Use new functions.
Revert and cleanup Lisp_Cons, Lisp_Misc and Lisp_Symbol things.
* src/lisp.h (struct Lisp_Symbol): Change xname to meaningful
name since all xname users are fixed long time ago.  Do not use
INTERNAL_FIELD.
(set_symbol_name, set_symbol_function, set_symbol_plist):
(set_symbol_next, set_overlay_plist): New function.
(struct Lisp_Cons): Do not use INTERNAL_FIELD.
(struct Lisp_Overlay): Likewise.
(CVAR, MVAR, SVAR): Remove.
* src/alloc.c, src/buffer.c, src/buffer.h, src/bytecode.c:
* src/cmds.c, src/data.c, src/doc.c, src/eval.c, src/fns.c:
* src/keyboard.c, src/lread.c, src/nsselect.m, src/xterm.c:
Adjust users.
* src/.gdbinit: Change to use name field of struct Lisp_Symbol
where appropriate.
* admin/coccinelle/overlay.cocci, admin/coccinelle/symbol.cocci:
Remove.
* calc/calc-prog.el (math-do-defmath): Use backquote forms.  Fix
handling of interactive spec when the body uses return.
(math-do-arg-check, math-define-function-body): Use backquote forms.
* calc/calc-ext.el (math-defcache): Likewise.
* calc/calc-rewr.el (math-rwfail, math-rweval): Likewise.
* allout.el (allout-new-exposure): Likewise.
* calc/calcalg2.el (math-tracing-integral): Likewise.
* info.el (Info-last-menu-item): Likewise.
* emulation/vip.el (vip-loop): Likewise.
* textmodes/artist.el (artist-funcall): Likewise.
* menu-bar.el (menu-bar-make-mm-toggle, menu-bar-make-toggle):
Construct menu-item directly.

* cedet/ede/base.el (ede-with-projectfile): Use backquote forms.
Fix .gdbinit to match changes with INTERNAL_FIELD.

 src/.gdbinit (xframe, xwindow, nextcons, xcar, xcdr, xlist): Rename
 fields to match removal of FGET and WGET and disuse of
 INTERNAL_FIELD in Lisp_Cons.
Defer to configure.ac for required automake version
* emacs-lisp/lisp-mode.el (eval-defun-1): Handle standard value of
a defcustom that is quoted with backquote.
calc-misc.el (calc-record-why):  Don't record a message twice.
* progmodes/python.el Fixed defsubst warning.
(python-syntax-context) Rename from python-info-ppss-context.
(python-syntax-context-type): Rename from
python-info-ppss-context-type.
(python-syntax-comment-or-string-p): Rename from
python-info-ppss-comment-or-string-p.
* vc/diff-mode.el (diff-remove-trailing-whitespace): New function.
Check total length of intervals with eassert.
* intervals.h (CHECK_TOTAL_LENGTH): Remove.
* intervals.c: Change all users to eassert.
Cleanup intervals.
* intervals.h (NULL_INTERVAL, DEFAULT_INTERVAL): Remove.
(NULL_INTERVAL_P): Likewise.  Adjust users.
(FRONT_STICKY_P, END_NONSTICKY_P, FRONT_NONSTICKY_P): Adjust
comment.  Move under #if 0.
* alloc.c, buffer.c, editfns.c, fns.c, insdel.c, intervals.c:
* print.c, syntax.c, textprop.c, xdisp.c: Adjust users.
Merge language/persian.el into language/misc-lang.el

* lisp/language/persian.el: Remove file.
* lisp/language/misc-lang.el: Move non-unique part of persian.el here.
* lisp/loadup.el: Remove language/persian.

* src/lisp.mk (lisp): Remove language/persian.elc.

* etc/NEWS: Improve entry.
* lisp/info.el (Info-isearch-search): Doc fix.
(Info-search): Change search-failed message from "initial node" to
"end of node".
(Info-isearch-search): Change `isearch-string-state' to
`isearch--state-string'.
* lisp/files.el (basic-save-buffer): Use `buffer-name' as the default
of `read-file-name' when buffer is not visiting a file.
* lisp/bookmark.el: Add `defaults' property to the bookmark record.
(bookmark-current-buffer): Doc fix.
(bookmark-make-record): Add `defaults' property with default values
to the bookmark record.
(bookmark-minibuffer-read-name-map): Remove key binding "\C-u"
with `bookmark-insert-current-bookmark'.
(bookmark-set): Get `defaults' property from the bookmark record
and use it in `read-from-minibuffer'.
(bookmark-insert-current-bookmark): Remove function.

* lisp/info.el (Info-bookmark-make-record): Add `defaults' property
with values of canonical Info node name, the current Info file name
and the current Info node name.
Inline functions to examine and change string intervals.
* lisp.h (STRING_INTERVALS, STRING_SET_INTERVALS): Remove.
(string_get_intervals, string_set_intervals): New function.
* alloc.c, buffer.c, editfns.c, fns.c, insdel.c, intervals.c:
* lread.c, print.c, textprop.c: Adjust users.
Inline functions to examine and change buffer intervals.
* alloc.c (mark_interval_tree): Remove.
(MARK_INTERVAL_TREE): Simplify.
(UNMARK_BALANCE_INTERVALS): Remove.  Adjust users.
* intervals.c (buffer_balance_intervals): New function.
(graft_intervals_into_buffer): Adjust indentation.
(set_intervals_multibyte): Simplify.
* buffer.h (BUF_INTERVALS): Remove.
(buffer_get_intervals, buffer_set_intervals): New function.
* alloc.c, buffer.c, editfns.c, fileio.c, indent.c, insdel.c:
* intervals.c, textprop.c: Adjust users.
* net/tramp-sh.el (tramp-find-file-exists-command): Protect the
tests by `ignore-error'.
(tramp-find-shell): Open also a new shell, when cache is already
set.  Reported by Carsten Bormann <cabo@tzi.org>.  (Bug#12148)
Inline functions to examine and change buffer overlays.
* buffer.c (unchain_both): New function.
* buffer.h (buffer_get_overlays, buffer_set_overlays):
(buffer_has_overlays): New function.
(enum overlay_type): New enum.
* alloc.c, buffer.c, editfns.c, fileio.c, indent.c:
* insdel.c, intervals.c, print.c, xdisp.c: Adjust users.
ChangeLog fix