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better when it appears in the middle of byte-compiler messages.

(syms_of_lread): Init and staticpro it.
(load_warn_old_style_backquotes): New fun.
(Fload): Use them to warn about old style backquotes.
(end_of_file_error, Fload): Remove unused vars.

(syms_of_lread): Init and staticpro it.
(read1): Set it when we find an old-style (back)quote.

(readchar, Fget_file_char): Add BLOCK_INPUT around getc.
(unreadchar): Add BLOCK_INPUT around ungetc.
(load_unwind): Add BLOCK_INPUT around fclose.

Wording by Eli Zaretskii.

	(Fread_char, Fread_event, Fread_char_exclusive): New arg SECONDS.

* emacsclient.c (print_help_and_exit): Likewise.

* xterm.c (x_connection_closed, x_error_quitter): Mark as NO_RETURN.

* textprop.c (text_read_only): Likewise.

* lread.c (end_of_file_error): Likewise.

* lisp.h (circular_list_error, memory_full, buffer_memory_full):
Likewise.

* eval.c (unwind_to_catch): Likewise.

* buffer.h (buffer_slot_type_mismatch): Likewise.

(end_of_file_error): Use xsignal0, xsignal1.
(read0): Use xsignal1.
(invalid_syntax): New error function marked no-return.
(read_integer, read1, read_list): Use it.

causes compilation problem with gcc-4.0.2-20051125 on amd64.

or character escape, signal an error.

exactly four or \U followed by exactly eight hex digits in a comment or
string is read as a Unicode character with that code point.

absolute truename of the loaded file.

lread.c (Vafter_load_alist): doc-string: state that an element now has a
regexp to match file names, not a file name as such.

lread.c (readevalloop): Call file-truename on the name for load-history,
except at preloading time.

lread.c (Fload): At preloading time, preserve the extension of the
filename which goes into load-history.  New variable hist_file_name.

lread.c (Fload): Do eval-after-load stuff by calling the lisp function
do-after-load-evaluation.

deleted variable default_suffixes.
(Fget_load_suffixes): New function.
(Fload): Use Fget_load_suffixes and Vload_file_rep_suffixes.
No longer use deleted variable default_suffixes.  Update docstring.
(syms_of_lread): defsubr Sget_load_suffixes.
Expand `load-suffixes' docstring.
Delete default_suffixes and DEFVAR_LISP the new variable
`load-file-rep-suffixes'.

* src/keyboard.c (read_char, read_char_minibuf_menu_prompt)
  (read_key_sequence, read_filtered_event): Eliminate wrong_kboard_jmpbuf.

git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-500

to signal an error.

Overhaul and simplify single_kboard API.  Allow calls to `recursive-edit' in process filters.  Small fixes.

* lisp/server.el (server-process-filter): Protect `display-splash-screen'
  call in a condition-case.  Explain why.

* src/callint.c (Fcall_interactively): Update call to
  `temporarily_switch_to_single_kboard'.

* src/fns.c (Fy_or_n_p): Ditto.

* src/frame.c (Fdelete_frame): Remove unused variable `count'.

* src/keyboard.c (wrong_kboard_jmpbuf): Remove global variable.

* src/keyboard.c (read_char): Add wrong_kboard_jmpbuf parameter to allow
  for recursive calls.  Update longjmp invocations.  Remember the
  original current_kboard, and longjmp to `wrong_kboard_jmpbuf' when a
  filter, timer or sentinel changes it.  Comment out unnecessary calls to
  `record_single_kboard_state' and `any_kboard_state'.  Update recursive
  calls.

* src/keyboard.c (read_key_sequence): Add `wrong_kboard_jmpbuf' local
  variable.  Update setjmp and read_char calls.  Abort if
  interrupted_kboard died in read_char.

* src/keyboard.c (any_kboard_state, single_kboard_state)
  (record_single_kboard_state): Comment out obsolete functions.
  (push_frame_kboard): Remove function.
  (pop_kboard): Switch out of single_kboard mode if the
  kboard has been deleted.
  (temporarily_switch_to_single_kboard): Change first
  parameter to a frame pointer.  Throw an error when caller wants to
  change kboards while in single_kboard mode.
  (restore_kboard_configuration): Abort if pop_kboard changed
  the kboard in single_kboard mode.
  (Frecursive_edit): Switch to single_kboard mode only in
  nested command loops.
  (cmd_error, command_loop, command_loop_1, timer_check):
  Comment out unnecessary call to `any_kboard_state' and
  `record_single_kboard_state'.

* src/keyboard.c (delete_kboard): Exit single_kboard mode if we have just
  deleted that kboard.

* src/keyboard.c (interrupt_signal): Use `Fkill_emacs' to exit Emacs, not
  `fatal_error_signal'.

* src/keyboard.h (read_char, single_kboard_state)
  (record_single_kboard_state): Remove.
  (temporarily_switch_to_single_kboard): Update.

* src/lread.c: Include setjmp.h.  Update declaration of `read_char'.
  (read_filtered_event): Call `read_char' with a local
  `wrong_kboard_jmpbuf'.

* src/minibuf.c (read_minibuf): Update call to
  `temporarily_switch_to_single_kboard'.

* src/termchar.h (tty_display_info): Rename `previous_terminal_frame'
  member to `previous_frame'.

* src/xdisp.c (redisplay_internal): Update references to
  `previous_terminal_frame'.
  (display_mode_line, Fformat_mode_line): Replace calls to
  `push_frame_kboard' with `push_kboard'.

git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-489

before actually reading anything.  Handle all cases, including
START = END = nil and an already-narrowed buffer.
Convert END to a marker if it is a number.