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Merge from gnus--rel--5.10

Patches applied:

 * miles@gnu.org--gnu-2004/gnus--rel--5.10--patch-72
   Update from CVS

Fix up a transposition-typo.  Check end-col before using it.

legacy-gnus-agent to 5.10.7.

when trying to shrink the final reminder.  Grow windows if
total_removed is less than total_shrink.

extract pointer from arg with XSAVE_VALUE.
(create_and_show_popup_menu, create_and_show_dialog,
xmenu_show): Construct arg to record_unwind_protect with
make_save_value.

Record unwind with clean_up_file_dialog.

(winner-mode-map): Move init inside declaration.

(byte-decompile-bytecode-1): Remove unused vars `tag' and `retcount'.

(get_next_display_element): Fix latest change: applies only to \n.

so it doesn't forget to highlight the beginning of the region either.

Record unwind with clean_up_file_dialog.

* xterm.h: Declare x_menu_in_use, x_menu_set_in_use,
x_menu_wait_for_event.

* xmenu.c (x_menu_in_use, x_menu_set_in_use): New functions.

(xg_file_sel_destroy): Removed.
(xg_file_response_cb, pop_down_file_dialog,
xg_get_file_name_from_chooser, xg_get_file_name_from_selector):
New functions.
(xg_get_file_with_chooser, xg_get_file_with_selection): Take
new argument func, set it to xg_get_file_name_from_chooser/selector.
Move common code to xg_get_file_name.  Return widget created.
(xg_get_file_name): Set name, transient for, modal and destroy
with parent here.  Connect response signal to xg_file_response_cb,
connect delete-event to gtk_true.  Record pop_down_file_dialog
for unwind.  Do event loop and call x_menu_wait_for_event in loop.
(xg_create_widget): Make dialogs modal.

(c-mode, c++-mode, objc-mode, java-mode, idl-mode, pike-mode, awk-mode): Use run-mode-hooks.

Lisp_Object.
(popup_get_selection): Move unwind protect ...
(create_and_show_popup_menu, create_and_show_dialog): ... to here.
Move destroy of widget to pop_down_menu.
(popup_widget_loop): Move unwind protect ...
(create_and_show_popup_menu, create_and_show_dialog): ... to here.
Move destroy of widget to pop_down_menu.
(pop_down_menu): BLOCK_INPUT and destroy widget/window.
(xmenu_show): record unwind pop_down_menu.  Move XMenuDestroy,
x_mouse_leave and grabbed = 0 to pop_down_menu.

** Partial highlighting of wrapped overlay

** Clicking on partially visible lines fails

From: David Kastrup <dak@gnu.org>
Date: 27 Apr 2004 16:42:58 +0200

I had gnus display a mouse-highlighted line (a URL from browse-url)
partially at the bottom of its window.  If I click with middle mouse
key on it, the window gets recentered while I hold the mouse key
pressed.  If I release it, the window returns into its old position
(cursor in top row) and nothing happens, presumably because the click
was not registered on the line itself, but on the magically
recentered version.

That is a nuisance.  Recentering of even partially visible click
targets should only happen if window-point moves there, but not at
the time of the click.  From the moment I hold down a key until it
gets released, the displayed window portion should not change, with
the sole exception of scrolling when dragging at the edge of the
screen.

(progn
  (setq line-spacing 4)
  (dotimes (i (window-height))
    (insert "\n" (int-to-string i)))
  (forward-line -2)
  (recenter -1))


** Can't drag modeline when mouse-autoselect-window is set

From: Klaus Zeitler <kzeitler@lucent.com>
Date: Mon, 11 Oct 2004 11:14:49 +0200

1. start emacs -q --no-site-file
2. set variable mouse-autoselect-window to t
3. split-window-vertically

now I can drag the modeline only upwards but not downwards

(mouse-drag-mode-line-1): Let bind mouse-autoselect-window to nil
while dragging mode line, so mode line can be dragged downwards.
(mouse-drag-region-1): Let bind make-cursor-line-fully-visible
while pressing mouse button so window doesn't scroll until we
release the mouse if clicking on partially visible line.

(syms_of_xdisp): DEFVAR_BOOL it.
(make_cursor_line_fully_visible, try_cursor_movement)
(try_window_id): Use it.

(calc-graph-show-dumb):  Check if calc-dumb-map is non-nil rather than
unbound.

(calc-graph-name):  Made `end' a local variable.

(calc-graph-lookup):  Made `varname' a local variable.

(var-DUMMY, var-DUMMY2, var-PlotRejects, calc-gnuplot-trail-mark):
Declared them.
(calc-graph-format-data):  Don't check if var-PlotRejects is bound.

(calc-graph-plot, calc-graph-compute-3d):  Removed references to the
unused variable y3vec.

(calc-graph-show-dumb):  Removed reference to unused variable found-pt.

(calc-graph-kill-hook, calc-graph-plot):  Removed reference to
calc-graph-prev-kill-hook.

(calc-graph-yvalue, calc-graph-yvec, calc-graph-numsteps,
calc-graph-numsteps3, calc-graph-xvalue, calc-graph-xvec,
calc-graph-xname, calc-graph-yname, calc-graph-xstep,
calc-graph-ycache, calc-graph-ycacheptr, calc-graph-refine,
calc-graph-keep-file, calc-graph-xval, calc-graph-xlow,
calc-graph-xhigh, calc-graph-yval, calc-graph-yp, calc-graph-xp,
calc-graph-zp, calc-graph-yvector, calc-graph-resolution,
calc-graph-y3value, calc-graph-y3name,
calc-graph-y3step, calc-graph-y3step, calc-graph-zval,
calc-graph-stepcount, calc-graph-is-splot, calc-graph-surprise-splot,
calc-graph-blank, calc-graph-non-blank, calc-graph-curve-num):  New
variables.
(calc-graph-plot, calc-graph-compute-2d, calc-graph-refine-2d)
(calc-graph-recompute-2d, calc-graph-compute-3d, calc-graph-format-data):
Replaced undeclared variables with the above declared variables.

src/config.h if 8-byte alignment is not supported.