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	continuation character but we never actually displayed any buffer
	text (due to minibuffer prompt).

	(XTread_socket): Call it to recognize vendor-specific function keys.

	MAKING_MAKEFILE conditional.  No harm.

	frame must be an X frame whenever there is already an X frame.

	return values of malloc and realloc, to placate compilers.

	../configure.
	* m/pmax.h (LIBS_MACHINE): Only put "-ldnet" here if HAVE_LIBDNET
	is #defined.

	people shouldn't edit this file to choose optimization and
	debugging switches anyway.  ../configure will set CFLAGS to an
	appropriate default, which they will be able to override.
	* Makefile.in (xmakefile): Don't try to turn -g and -O in
	CFLAGS into C_DEBUG_SWITCH and C_OPTIMIZE_SWITCH.  CFLAGS should
	be the sole source of such switches, so that setting CFLAGS
	controls them completely.

thus moving acros whitespace.  When moving fwd, treat Sendcomment
as whitespace; likewise for Scomment when moving back.
(scan_sexps_forward): New arg COMMENTSTOP.
(Fparse_partial_sexp): Likewise.

(Fset_visited_file_modtime): Use the proper operation.

(X_CAUGHT_ERROR_MESSAGE_SIZE): New macro.
(x_error_catcher): Corresponding changes.
(x_catch_errors): Corresponding changes.
(x_check_errors): Do not free x_caught_error_message.
(x_uncatch_errors): Set x_caught_error_message to 0 after freeing it.

interval specially, aside from splitting off the part starting
where we want to start changing things.
(Fremove_text_properties): Likewise.
For ending interval, split it left as in Fadd_text_properties.
(Fset_text_properties): Don't set starting interval if it goes
past END.  Instead, split it left and set the left part.

(Vinhibit_read_only): Declared.

something at the end of Vfunction_key_map.

different space and calls fill_in_lock_short_file_name.
(fill_in_lock_short_file_name): New function for 14-chars hashed
file names. Replaces fill_in_lock_file_name if SHORT_FILE_NAMES.

to have a buffer, always give it one.

(syms_of_window): Always defvar pop-up-frames
and pop-up-frame-function.

(INTERVAL_WRITABLE_P): Use textget.
Check Vinhibit_read_only.

Bind inhibit-quit to t.
(Fmove_overlay): Properly handle changing buffers, or no prev buffer.
Bind inhibit-quit to t.

(LINKER): Add #undef.