* src/lread.c (load_path_check): Take path to check as argument.
(load_path_default): New, split from init_lread.
(init_lread): Move calc of default load-path to load_path_default.
Empty elements in EMACSLOADPATH now stand for the default.
(load-path): Doc fix.
* src/emacs.c (decode_env_path): Add option to treat empty elements
as nil rather than ".".
* src/callproc.c (init_callproc_1, init_callproc):
* src/image.c (Vx_bitmap_file_path):
* src/lisp.h (decode_env_path):
* lread.c (Vsource_directory):
Update for new argument spec of decode_env_path.
* leim/Makefile.in (RUN_EMACS): Empty EMACSLOADPATH rather than unsetting.
* lisp/Makefile.in (emacs): Empty EMACSLOADPATH rather than unsetting.
* test/automated/Makefile.in (emacs):
Empty EMACSLOADPATH rather than unsetting.
* doc/emacs/cmdargs.texi (General Variables):
Empty elements in EMACSLOADPATH now mean the default load-path.
* doc/lispref/loading.texi (Library Search):
Empty elements in EMACSLOADPATH now mean the default load-path.
* etc/NEWS: Mention this.
Fixes: debbugs:12100
(inferior-octave-startup, inferior-octave-check-process)
(inferior-octave-track-window-width-change)
(octave-completion-at-point, octave-eldoc-function): Use it.
(octave-kill-process): Provide confirmation.
Fixes: debbugs:10564
Problem reported by RMS in
<http://lists.gnu.org/archive/html/emacs-devel/2013-11/msg00421.html>.
* configure.ac (OLDXMENU_TARGET, OLDXMENU, LIBXMENU, OLDXMENU_DEPS):
Remove.
(LIBXMENU_DIR, LIBXMENU_BASE): New vars.
* src/Makefile.in (OLDXMENU_TARGET, OLDXMENU, OLDXMENU_DEPS)
(really-lwlib, really-oldXMenu, stamp-oldxmenu)
(../src/$(OLDXMENU), $(OLDXMENU)): Remove.
(LIBXMENU_DIR, LIBXMENU_BASE): New macros.
(LIBXMENU): Use them.
(temacs$(EXEEXT)): Depend on $(LIBXMENU), not stamp-oldxmenu.
($(lwlibdir)/liblw.a, $(oldXMenudir)/libXMenu11.a, FORCE): New targets.
(boostrap-clean): No need to remove stamp-oldxmenu.
This was due to an optimization that went awry.
Reported by Glenn Morris in
<http://lists.gnu.org/archive/html/emacs-devel/2013-11/msg00622.html>.
* alloc.c (make_uninit_bool_vector): Don't allocate a dummy word
for empty vectors, undoing the 2013-11-18 change.
* data.c (bool_vector_binop_driver): Rely on this.
Fix bug that occasionally overran the destination.
* lisp.h (struct Lisp_Bool_vector): Document this.
* lisp/startup.el (command-line-1): Use path-separator with -L.
* test/automated/Makefile.in (PATH_SEPARATOR): New, set by configure.
(EMACSOPT): Use PATH_SEPARATOR.
* doc/emacs/cmdargs.texi (Action Arguments): Use path-separator with -L.
* etc/NEWS: Related edit.
(msys_w32prefix_subst): Rename from msys_prefix_subst.
Operate on w32prefixpattern.
(epaths-force-w32): Use build-aux/msys-to-w32.
* build-aux/msys-to-w32: New file.
new parameter no-display-ok.
* progmodes/compile.el (compilation-start)
(compilation-goto-locus, compilation-find-file): Pass
no-display-ok and handle nil value from display-buffer.
Fixes: debbugs:13594
