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* src/keyboard.c (read_char, requeued_events_pending_p, Finput_pending_p)
(Fdiscard_input, quit_throw_to_read_char, init_keyboard)
(syms_of_keyboard): Remove support for unread-command-char.
* lisp/emacs-lisp/debug.el (debugger-outer-unread-command-char, debug)
(debugger-env-macro): Remove support for unread-command-char.

* lisp/ehelp.el (with-electric-help): Accept functions in
electric-help-form-to-execute.
(electric-help-execute-extended, electric-help-ctrl-x-prefix): Use it.
And replace unread-command-char -> unread-command-events.

* lisp/subr.el (set-temporary-overlay-map): Minimize slightly the impact of
the temporary map re-appearing on emulation-mode-map-alists.

* lisp/emacs-lisp/edebug.el (def-edebug-form-spec): Remove, it's been broken
since 22.1.

 src/w32proc.c (sys_kill): If PID is our process ID and the signal is
 SIGABRT, call emacs_abort.  Avoids silently exiting upon assertion
 violation.  (Bug#12426)

* tramp.texi (Bug Reports): Cleanup caches before a test run.

* trampver.texi: Update release number.

* net/tramp.el (tramp-accept-process-output): Don't use
JUST-THIS-ONE in the XEmacs case.

* net/trampver.el: Update release number.

* emacs-lisp/debug.el (debugger-previous-window-height): New
variable.
(debug): When debugger-jumping-flag is non-nil try to restore
height of debugger window.  (Bug#8789)

overriding-local-map and pre/post-command-hook here.
(edebug-recursive-edit): Do it here instead.
(edebug-outside-unread-command-char): Remove all uses of
unread-command-char.

Fixes: debbugs:12345

(Qinhibit_debugger): New symbol.
(call_debugger): Bind it instead of Qdebug_on_error.
(maybe_call_debugger): Test Vinhibit_debugger.
(syms_of_eval): Define inhibit-debugger.
* src/xdisp.c (set_message): Don't bind Qinhibit_debug_on_message.
(syms_of_xdisp): Remove inhibit-debug-on-message.
* lisp/emacs-lisp/debug.el (debug): Don't bind debug-on-error since
inhibit-debugger is bound instead.

If a nonvolatile local variable is written before a _longjmp to
the frame containing the variable, and is read after the _longjmp,
the value read is indeterminate.  Some local variables of type
'struct handler' and 'struct catchtag' are used in this way, so
mark each of their slots as volatile if the slot can be set before
_longjmp and read afterwards.
* lisp.h (struct handler): var and chosen_clause are now volatile.
(struct catchtag): val, next, and pdlcount are now volatile.

* lib-src/pop.c (socket_connection) [HAVE_GETADDRINFO]:
* src/bidi.c (bidi_push_it, bidi_pop_it):
* src/fns.c (copy_hash_table):
* src/image.c (define_image_type):
* src/keyboard.c (kbd_buffer_store_event_hold):
* src/process.c (Fprocess_send_eof):
* src/xfaces.c (x_create_gc) [HAVE_NS]:
* src/xgselect.c (xg_select):
Use assignment, not memcpy, as either will do here, and assignment is
more likely to catch type errors.

Use pointer-to-a-pointer to simplify and avoid a NILP check each
time an item is removed.  No need to mark this function 'inline';
the compiler knows better than we do.

* nsterm.m (ns_judge_scroll_bars): Pass NO to updateFrameSize.
(updateFrameSize:): Add delay parameter to updateFrameSize, send it
to change_frame_size.
(windowDidResize:): Pass YES to updateFrameSize.

Fixes: debbugs:12388

Bug #12346 is not closed as this commit does not document
`set-temporary-overlay-map' in the manual.

This reduces an amount of references to killed buffers and
helps GC to reclaim them faster.
* alloc.c (discard_killed_buffers): New function.
(mark_object): Use it for deleted windows and frames.
(mark_object): If symbol's value is set up for a killed buffer
or deleted frame, restore it's global binding.
* data.c (swap_in_global_binding): Add GC notice.
(swap_in_symval_forwarding): Use convenient set_blv_where.
* window.c (wset_next_buffers, wset_prev_buffers): Move ...
* window.h: ... to here.

* Makefile.in (install-arch-dep, install-arch-indep, install-doc):
Be more explicit about dependencies, for parallel `make install'.

It is not so unreasonable to run `make -j# install' from a clean state
for a self-contained NS build, where the "installation" happens within
the build tree.

* buffer.h (BUFFER_LIVE_P): New macro.
* alloc.c, buffer.c, editfns.c, insdel.c, lread.c, marker.c:
* minibuf.c, print.c, process.c, window.c, xdisp.c: Use it.

* xdisp.c (right_overwritten, right_overwriting): Also handle gstring
composition cases (Bug#12364).

* xterm.c (x_draw_glyph_string): Avoid overwriting inverted left
overhang of succeeding glyphs overlapping box cursor.

* w32term.c (x_draw_glyph_string): Likewise.

The porting part of this patch fixes bugs on non-IEEE platforms
with frexp, ldexp, logb.
* admin/CPP-DEFINES (HAVE_CBRT, HAVE_LOGB, logb): Remove.
* configure.ac (logb, cbrt): Do not check for these functions,
as they are not being used.
* doc/lispref/numbers.texi (Float Basics, Arithmetic Operations, Math Functions):
Document that / and mod (with floating point arguments), along
with asin, acos, log, log10, expt and sqrt, return special values
instead of signaling exceptions.
(Float Basics): Document that logb operates on the absolute value
of its argument.
(Math Functions): Document that (log ARG BASE) also returns NaN if
BASE is negative.  Document that (expt X Y) returns NaN if X is a
finite negative number and Y a finite non-integer.
* etc/NEWS: Document NaNs versus signaling-error change.
* src/data.c, src/lisp.h (Qdomain_error, Qsingularity_error, Qunderflow_error):
Now static.
* src/floatfns.c: Simplify discussion of functions that Emacs doesn't
support, by removing commented-out code and briefly listing the
C89 functions excluded.  The commented-out stuff was confusing
maintenance, e.g., we thought we needed cbrt but it was commented out.
(logb): Remove decl; no longer needed.
(isfinite): New macro, if not already supplied.
(isnan): Don't replace any existing macro.
(Ffrexp, Fldexp): Define even if !HAVE_COPYSIGN, as frexp and ldexp
are present on all C89 platforms.
(Ffrexp): Do not special-case zero, as frexp does the right thing
for that case.
(Flogb): Do not use logb, as it doesn't have the desired meaning
on hosts that use non-base-2 floating point.  Instead, stick with
frexp, which is C89 anyway.  Do not pass an infinity or a NaN to
frexp, to avoid getting an unspecified result.

NSBezierPath.

Fixes: debbugs:12131

(sql-db2-escape-newlines): New variable.
(sql-escape-newlines-filter): Use it.

(FLOAT_CHECK_DOMAIN, HAVE_FMOD, HAVE_FREXP)
(HAVE_INVERSE_HYPERBOLIC, NO_MATHERR): Remove.

* lisp.h (XSETINT, XSETCONS, XSETVECTOR, XSETSTRING, XSETSYMBOL)
(XSETFLOAT, XSETMISC): Parenthesize.

* lisp/emacs-lisp/lisp-mode.el (emacs-list-byte-code-comment-re): New var.
(emacs-lisp-byte-code-comment)
(emacs-lisp-byte-code-syntax-propertize, emacs-lisp-byte-code-mode):
New functions.
(eval-sexp-add-defvars): Don't skip defvars in column >0.
(eval-defun-2): Remove bogus interactive spec.
(lisp-indent-line): Remove redundant whole-exp code, now done in
indent-according-to-mode.
(save-match-data): Remove redundant indent data.
* lisp/emacs-lisp/benchmark.el (benchmark-run, benchmark-run-compiled):
Use `declare'.
* lisp/gnus/qp.el (quoted-printable-decode-region):
Inline+CSE+strength-reduction.

Run autogen.sh after bootstrap-clean, to avoid bzr pull issues.
* INSTALL, README: Document autogen.sh.
* Makefile.in (Makefile): Mark it as precious, since it's updated
atomically.
(MAKE_CONFIG_STATUS): New macro.
(config.status, bootstrap): Use it.  This causes 'make bootstrap'
to run config.status with the --recheck option, which is more
appropriate for a bootstrap.
(bootstrap): Run autogen.sh right after cleaning.  Don't worry
about failures due to missing tools.
* autogen.sh: Exit with status 101 when failing due to missing tools.
* make-dist: Distribute autogen.sh.

Fixes: debbugs:12376

(replace-lax-whitespace, query-replace-regexp)
(query-replace-regexp-eval, replace-regexp): Doc fix.
(perform-replace, replace-highlight): Let-bind
isearch-lax-whitespace to replace-lax-whitespace and
isearch-regexp-lax-whitespace to replace-regexp-lax-whitespace.

* lisp/isearch.el (isearch-query-replace): Let-bind
replace-lax-whitespace to isearch-lax-whitespace and
replace-regexp-lax-whitespace to
isearch-regexp-lax-whitespace.

Fixes: debbugs:10885

(XSETCONS, XSETVECTOR, XSETSTRING, XSETSYMBOL, XSETFLOAT, XSETMISC):
Use it.