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This how ASET and AREF are supposed to work, and makes
it easier to think about future improvements.  See
<http://lists.gnu.org/archive/html/emacs-devel/2012-08/msg00026.html>.
* charset.h (set_charset_attr): New function.
All lvalue-style uses of CHARSET_DECODER etc. changed to use it.
* lisp.h (ASET): Rewrite so as not to use AREF in an lvalue style.
(aref_addr): New function.  All uses of &AREF(...) changed.
(set_hash_key, set_hash_value, set_hash_next, set_hash_hash)
(set_hash_index): New functions.  All lvalue-style uses of
HASH_KEY etc. changed.
* keyboard.c (set_prop): New function.  All lvalue-style uses
of PROP changed.

  (EmacsWindow-accessibilityAttributeValue, EmacsScroller-initFrame:)
  (EmacsScroller-dealloc):  Adjust to use WVAR.  (Bug#12114)
* nsfns.m (ns_set_name_as_filename): Likewise.
* nsmenu.m (ns_update_menubar): Likewise.
* nsselect.m (symbol_to_nsstring): Adjust to use SVAR.

(The Calc Mode Line): Mention the mode line display for Basic
simplification mode.
(Simplify Formulas): Refer to 'algebraic' rather than 'default'
simplifications.
(Basic Simplifications): Rename from "Limited Simplifications"
Replace "limited" by "basic" throughout.
(Algebraic Simplifications):  Indicate that the algebraic
simplifications are done by default.
(Unsafe Simplifications):  Mention `m E'.
(Simplification of Units): Mention `m U'.
(Trigonometric/Hyperbolic Functions, Reducing and Mapping,
Kinds of Declarations, Functions for Declarations):  Mention
"algebraic simplifications" instead of `a s'.

* lib-src/Makefile.in (config_h): New variable.
Use throughout in place of ../src/config.h.

 src/.gdbinit (xcar, xcdr, xlist, xwindow, nextcons, xprintsym):
 Adapt to latest changes in field names of the corresponding Lisp
 objects.

 src/xdisp.c (try_window_id): Use WVAR in IF_DEBUG code.

* msdos/sed2v2.inp (MSDOS, DOS_NT, FLOAT_CHECK_DOMAIN)
(HAVE_INVERSE_HYPERBOLIC, DEVICE_SEP, IS_DIRECTORY_SEP, IS_ANY_SEP)
(INTERNAL_TERMINAL, NULL_DEVICE, SEPCHAR, USER_FULL_NAME)
(_setjmp, _longjmp): Move here from src/s/msdos.h.
(config_opsysfile, config_machfile): Remove.
* msdos/sed1v2.inp (M_FILE, S_FILE): Remove.
* msdos/mainmake.v2 (TAGS tags): Remove src/s/msdos.h.

* src/s/msdos.h: Remove file.
* src/conf_post.h [MSDOS]: New section, moved from s/msdos.h.
* src/Makefile.in (S_FILE): Remove.
(config_h): Remove S_FILE.

* nt/config.nt: Sync with autogen/config.in.
(DEVICE_SEP, FLOAT_CHECK_DOMAIN, HAVE_INVERSE_HYPERBOLIC)
(INTERNAL_TERMINAL, IS_ANY_SEP, IS_DEVICE_SEP, IS_DIRECTORY_SEP):
New macros.

* src/s/ms-w32.h (DEVICE_SEP, IS_DIRECTORY_SEP, IS_ANY_SEP):
Remove; moved to nt/config.nt.

* src/lisp.h (struct Lisp_Cons): Use INTERNAL_FIELD.
Remove obsolete comment.
(MVAR): New macro.
(struct Lisp_Overlay): Use INTERNAL_FIELD.
* src/alloc.c, src/buffer.c, src/buffer.h, src/fns.c: Adjust users.
* admin/coccinelle/overlay.cocci: Semantic patch to replace direct
access to Lisp_Object members of struct Lisp_Overlay to MVAR.

* src/lisp.h (SVAR): New macro.  Adjust users.
* src/alloc.c, 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/xterm.c: Users changed.
* admin/coccinelle/symbol.cocci: Semantic patch to replace direct
access to Lisp_Object members of struct Lisp_Symbol to SVAR.

* lisp/progmodes/autoconf.el (autoconf-definition-regexp):
Add AH_TEMPLATE, adjust submatch numbering.
(autoconf-font-lock-keywords, autoconf-imenu-generic-expression)
(autoconf-current-defun-function): Update for above change.
(autoconf-current-defun-function): First skip to end of current word.

* configure.ac (LIB_STANDARD, START_FILES) [FreeBSD]:
Don't include crtbegin.o and crtend.o.

Fixes: debbugs:12047

Fixes: debbugs:12018

* src/process.h (PVAR): New macro.  Adjust style.
(struct Lisp_Process): Change Lisp_Object members to INTERNAL_FIELD.
* src/print.c, src/process.c, src/sysdep.c, src/w32.c:
* src/xdisp.c: Users changed.
* admin/coccinelle/process.cocci: Semantic patch to replace direct
access to Lisp_Object members of struct Lisp_Process to PVAR.

* src/window.h (WVAR): New macro.
(struct window): Change Lisp_Object members to INTERNAL_FIELD.
* src/alloc.c, src/buffer.c, src/composite.c, src/dispextern.h:
* src/dispnew.c, src/editfns.c, src/fileio.c, src/font.c, src/fontset.c:
* src/frame.c, src/frame.h, src/fringe.c, src/indent.c, src/insdel.c:
* src/keyboard.c, src/keymap.c, src/lisp.h, src/minibuf.c, src/nsterm.m:
* src/print.c, src/textprop.c, src/w32fns.c, src/w32menu.c, src/w32term.c:
* src/window.c, src/xdisp.c, src/xfaces.c, src/xfns.c, src/xmenu.c:
* src/xterm.c: Users changed.
* admin/coccinelle/window.cocci: Semantic patch to replace direct
access to Lisp_Object members of struct window to WVAR.

* configure.ac (DEVICE_SEP, IS_DEVICE_SEP, IS_DIRECTORY_SEP, IS_ANY_SEP):
Move here from src/lisp.h.

* src/lisp.h (IS_DIRECTORY_SEP, IS_DEVICE_SEP, IS_ANY_SEP):
Move to configure.ac.

* lib-src/makefile.w32-in (CONFIG_H): Update dependencies.
(CONF_POST_H): New macro.

* lib/makefile.w32-in (CONFIG_H): Update dependencies.
(CONF_POST_H): New macro.

* nt/config.nt: Sync with autogen/config.in.
Remove code moved to conf_post.h and include <conf_post.h>
(NULL_DEVICE, SEPCHAR, SIGNAL_H_AHB, TIOCSIGSEND, USER_FULL_NAME)
(USG5_4, WRETCODE, _longjmp, _setjmp, wait3): New macros.

* src/makefile.w32-in (CONFIG_H): Update dependencies.
(CONF_POST_H): New macro.

* src/s/ms-w32.h (SEPCHAR, NULL_DEVICE): Remove; moved to nt/config.nt.

* progmodes/python.el (python-shell-send-setup-max-wait): Delete var.
(python-shell-make-comint): accept-process-output at startup.
(run-python-internal): Set inferior-python-mode-hook to nil.
(python-shell-internal-get-or-create-process): call sit-for.
(python-preoutput-result): Add obsolete alias.
(python-shell-internal-send-string): Use it.
(python-shell-send-setup-code): Remove call to
accept-process-output.

* src/Makefile.in (S_FILE): No longer set by configure.

* msdos/sed1v2.inp (S_FILE): Update for format change.

* src/conf_post.h (config_opsysfile):
Move earlier, so that WINDOWSNT is available.
(alloca.h) [WINDOWSNT]: Don't include it on MS Windows.

* buff-menu.el (list-buffers-noselect): Use prefix-numeric-value.