ed: Update to version 1.19

ed: Update to version 1.19

- Update from version 1.17 to 1.19
- Update of rootfile not required
- Changelog
2023-01-11  Antonio Diaz Diaz  <antonio@gnu.org>
* Version 1.19 released.
	* main_loop.c (exec_command): Fix commands 'e', 'E'; they did set
	  the 'modified' flag if file not found. (Reported by Harry Graf).
	  (main_loop): Print script error line to stdout instead of stderr.
	* Change long name of option '-s' to '--script'.
	  (Suggested by Andrew L. Moore).
	* Assign short name '-q' to options '--quiet' and '--silent'.
	* main.c (show_strerror) Use '!quiet' to enable diagnostics.
	* Do not process file names for backslash escapes.
	  (Suggested by Andrew L. Moore).
	* ed.texi: Document 0 as starting point for searches '0;/RE/'.
	  Document how to achieve the effect of ex style '!' filtering.
2022-02-04  Antonio Diaz Diaz  <antonio@gnu.org>
* Version 1.18 released.
	* main_loop.c (get_shell_command): Flush stdout after printing cmd.
	  (Reported by Sören Tempel).
	* signal.c (sighup_handler): Fix a memory leak just before exiting.
	* carg_parser.c (ap_init): Likewise.
	  (Both reported by Xosé Vázquez Pérez).
	* io.c (read_file, write_file): Check ptr returned by strip_escapes.
	* main_loop.c (get_shell_command, exec_command): Likewise.
	* main_loop.c (get_shell_command): Remove backslash from escaped '%'.
	  (Reported by Martin Thomsen).
	* main_loop.c, regex.c: Implement case-insensitive REs.
	* regex.c (compile_regex): Don't overwrite previous regex if error.
	* main.c: New option '--strip-trailing-cr'.
	* buffer.c (push_undo_atom): Fail if stack grows larger than INT_MAX.
	  (too_many_lines): Fail if buffer grows larger than INT_MAX lines.
	* global.c (set_active_node): Fail if list grows larger than INT_MAX.
	* signal.c (resize_buffer): Fail if a line grows longer than INT_MAX.
	* io.c (read_file): Return -2 for fatal errors.
	* main_loop.c (main_loop): Set error status if fatal error from main.
	* main.c [restricted_]: New message "Directory access restricted".
	* ed.texi: New chapter "The 's' Command".
	* COPYING: Restored. (I forgot to do it in 1.11).
	* TODO: Removed.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>