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	have to retype the filename every invocation.
	(gud-gdb-history, gud-sdb-history, gud-dbx-history,
	gud-xdb-history): New variables.
	(gdb, sdb, dbx, xdb): Use them when reading the argument string.

	switch-frame events when reading mouse motion events.

	(mouse-drag-region): Commented out, and replaced with new version,
	which highlights the region as we drag.
	(mouse-scroll-delay, mouse-drag-overlay): New variables.
	(mouse-scroll-subr): New function.

after the new one.  Do insert when we reach the end, if haven't before.

	FD_SET, etcetera.
	(XTread_socket): Use those macros when testing for dropped connection.

	well as internalBorderWidth.

	matches .newsrc lines not to match more than one line.

	#including the system headers and getopt.h.  AIX requires the
	#pragma to come before any actual C code.

	interactive.

(ls-lisp-format): Provide user name when known.
On ms-dos, provide a name for the group, to be prettier.

(x-initialize-frame-faces): Set up `underline' face.

(x-initialize-frame-faces): Check x-display-color-p
and x-display-planes to decide whether to try using colors or gray.

(Man-getpage-in-background): Call Man-default-man-args.
(Man-filter-list): Don't discard overstrike here.
(Man-set-fonts): New function.
(Man-bgproc-sentinel): Call Man-set-fonts.
(Man-version-number): Var deleted.
(Man-version): Command and binding deleted.
(Man-mode): Use Manual, not Man, as official mode name.

Check there's no previous definition in same keymap.

(c-up-conditional): Use c-forward-conditional.
(c-backward-conditional): New function.
(c-mode-map): Make bindings for them.

for running rcs2log.

(vc-mode-line): Display the lock status and head version.
(vc-rcs-status, vc-rcs-glean-field): New function.

Calculate amount of space needed for longest buffer name.

Calculate amount of space needed for longest buffer name.