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(symbol_block_pinned): New var.
(Fmake_symbol): Initialize `pinned'.
(purecopy): New function, extracted from Fpurecopy.  Mark symbols as
pinned and signal an error for un-purifiable objects.
(pure_cons): Use it.
(Fpurecopy): Use it, except for objects that can't be purified.
(mark_pinned_symbols): New function.
(Fgarbage_collect): Use it.
(gc_sweep): Remove hack made unnecessary.
* src/lisp.h (struct Lisp_Symbol): New bitfield `pinned'.

* doc/emacs/trouble.texi (Checklist):
* doc/lispref/os.texi (Recording Input): Dribble files may contain passwords.

* lisp/help.el (view-lossage): Doc tweak.

* src/keyboard.c (Fopen_dribble_file): Doc tweak.

       * nsmenu.m (update_frame_tool_bar): Return early if view or toolbar
is nil.  If waiting for toolbar to complete, force a redraw.
(free_frame_tool_bar): Set wait_for_tool_bar = NO

       * nsterm.h (EmacsView): Add wait_for_tool_bar.

* nsterm.m (updateFrameSize:): If waiting for the tool bar and tool
       bar is zero height, just return (Bug#16976).
       (initFrameFromEmacs:): Initialize wait_for_tool_bar.

* nt/emacs.rc: Don't use manifest on Cygwin.
* configure.ac (EMACS_MANIFEST, UPDATE_MANIFEST): Leave these
variables empty on Cygwin. 
* src/Makefile.in (EMACS_MANIFEST): Update comment.

used as a variable.

Fixes: debbugs:17174

* xterm.c (x_new_font): Don't calculate non-toolkit scrollbar
width from font width (Bug#17163).

* frame.c (x_set_frame_parameters): Calculate default values of
new frame sizes only after all other frame parameters have been
processed (Bug#17142).

 src/w32term.c (x_draw_image_glyph_string): Fix computation of height
 and width of image background when it is displayed with a 'box'
 face.

* editfns.c (Fchar_equal): In unibyte buffers, assume values in
range 128-255 are raw bytes.  Suggested by Eli Zaretskii.

Fixes: debbugs:17011

* editfns.c (Fchar_equal): Do not use MAKE_CHAR_MULTIBYTE in
unibyte buffers, as we can't tell whether the characters are
actually unibyte.

Fixes: debbugs:17011

* simple.el (primitive-undo): Only process marker adjustments
validated against their corresponding (TEXT . POS).  Issue warning
for lone marker adjustments in undo history.  (Bug#16818)
(undo-make-selective-list): Add marker adjustments to selective
undo list based on whether their corresponding (TEXT . POS) is in
the region.  Remove variable adjusted-markers, which was unused
and only non nil during undo-make-selective-list.
(undo-elt-in-region): Return nil when passed a marker adjustment
and explain in function doc.

Have (MARKER . ADJUSTMENT) undo records always be immediately
after their corresponding (TEXT . POS) record in undo list.
(Bug#16818)
* lisp.h (record-delete): New arg record_markers.
(record_marker_adjustment): No longer needed outside undo.c.
* insdel.c (adjust_markers_for_delete): Move calculation of marker
adjustments to undo.c's record_marker_adjustments.  Note that
fileio.c's decide_coding_unwind is another caller to
adjust_markers_for_delete.  Because it has undo list bound to t,
it does not rely on adjust_markers_for_delete to record marker
adjustments.
(del_range_2): Swap call to record_delete and
adjust_markers_for_delete so as undo marker adjustments are
recorded before current deletion's adjustments, as before.
(adjust_after_replace):
(replace_range): Pass value for new record_markers arg to
delete_record.
* undo.c (record_marker_adjustment): Renamed to
record_marker_adjustments and made static.
(record_delete): Check record_markers arg and call
record_marker_adjustments.
(record_change): Pass value for new record_markers arg to
delete_record.
(record_point): at_boundary calculation no longer needs to account
for marker adjustments.

* undo-tests.el (undo-test-marker-adjustment-nominal):
(undo-test-region-t-marker): New tests of marker adjustments.
(undo-test-marker-adjustment-moved):
(undo-test-region-mark-adjustment): New tests to demonstrate
bug#16818, which fail without the fix.

* markers.texi (Moving Marker Positions): The 2014-03-02 doc
change mentioning undo's inability to handle relocated markers no
longer applies.  See bug#16818.
* text.texi (Undo): Expand documentation of (TEXT . POS) and
(MARKER . ADJUSTMENT) undo elements.

* w32term.c (x_set_window_size): Refine fix from 2014-03-14
(Bug#17077).

Fixes: debbugs:17073

overlay to make sure boundaries are visible.
* src/buffer.c (struct sortvec): Add field `spriority'.
(compare_overlays): Use it.
(sort_overlays): Set it.

Fixes: debbugs:15899

 src/xdisp.c (redisplay_window): If all previous attempts to find the
 cursor row failed, try a few alternatives before falling back to
 the top-most row of the window.  Use row_containing_pos.

* xterm.c (x_draw_image_relief): Respect Vtool_bar_button_margin.
* w32term.c (x_draw_image_relief): Likewise.

* w32fns.c (w32_wnd_proc): For WM_WINDOWPOSCHANGING don't
constrain frame size in SW_SHOWMAXIMIZED case so we can truly
maximize a frame for odd default fonts.
* frames.texi (Size and Position): In `frame-resize-pixelwise'
description drop remark about frame maximization.
* windows.texi (Display Action Functions): Add description for
`display-buffer-no-window' and explain use of `allow-no-window'
alist entries.

* doc.c (store_function_docstring): Fix pointer signedness mismatch.

the docstring of functions advised before dumping.
* src/doc.c (store_function_docstring): Warn when we don't know where to
put a docstring.
(Fsubstitute_command_keys): Don't advertise the fact that
text-properties are dropped, since we think it's a bug that we'll fix
in 24.5.

Fixes: debbugs:16993

* src/xterm.c (handle_one_xevent) <MapNotify>: Don't garbage the frame.
* src/frame.c (frame_garbaged): Make "docstring" more precise.

mention if EMACSDATA is set.

* doc/lispref/numbers.texi (Numeric Conversions, Rounding Operations):
Document that 'round' and 'fround' round to even.
* src/floatfns.c (emacs_rint) [!HAVE_RINT]: Round to even.
This way, the unusual !HAVE_RINT case acts like the usual
HAVE_RINT case, and we can fix the documentation accordingly.

 src/w32fns.c (reset_modifiers): Zero out keystate[] before using it.
 (w32_wnd_proc): Initialize the dwHoverTime member of
 TRACKMOUSEEVENT structure.

 src/search.c (find_newline): Speed up the function when using the
 newline cache, by halving the number of calls to
 region_cache_forward and region_cache_backward.

* w32term.c (x_set_window_size): When frame-resize-pixelwise is
nil, always resize character wise to avoid potential loss of the
mode line (Bug#16923 related).
* display.texi (Temporary Displays): Say that
with-temp-buffer-window makes its buffer current.
* frames.texi (Size and Position): Describe new option
`frame-resize-pixelwise'.  Rewrite descriptions of
`set-frame-size', `set-frame-height' and `set-frame-width'.

* frame.c (x_set_frame_parameters): Always calculate new sizes
pixelwise to avoid potential loss when rounding.
* window.el (fit-frame-to-buffer): Get maximum width from
display's width instead of height.

* xterm.c (x_free_frame_resources): Free all allocated cursors.

 src/w32.c (fstatat): Don't add an extra slash if the argument ends
 with a slash: this fails the subsequent call to stat_worker on
 Windows 9X.  Reported by oslsachem <oslsachem@gmail.com>.

* w32term.c (w32_read_socket): In SIZE_RESTORED case
unconditionally set visibility of frame to 1.