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editing: ChangeLog

2024-01-19  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.20 released.
	* Implement options '+line', '+/RE', and '+?RE'.
	  (Suggested by Matthew Polk and John Cowan).
	* main.c: New option '--unsafe-names'.
	  (print_filename): New function for file names with control chars.
	  (may_access_filename): Reject file names ending with a slash.
	* buffer.c (warned, set_warned): New functions.
	* main_loop.c: Intervening cmds don't make a second 'e' or 'q' fail.
	  (get_filename): Add tilde expansion. (Suggested by John Cowan).
	  Warn on first modification of buffer loaded from read-only file.
	  (Suggested by Dan Jacobson).
	* io.c (write_file): Create missing intermediate directories.
	* ed.texi: Improve description of commands 'e', 'f', 'q'.
	* main.c, ed.texi: Improve description of exit status.
	* configure, Makefile.in: New variable 'MAKEINFO'.
	* INSTALL: Document use of CFLAGS+='--std=c99 -D_POSIX_C_SOURCE=2'.

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 S�ren Tempel).
	* signal.c (sighup_handler): Fix a memory leak just before exiting.
	* carg_parser.c (ap_init): Likewise.
	  (Both reported by Xos� V�zquez P�rez).
	* 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.

2021-01-06  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.17 released.
	* main_loop.c (exec_global): Make commands 'q' and 'Q' work in a
	  global command. (Reported by J. A. Harris).
	* main.c: New option '-E, --extended-regexp'.
	  (Suggested by Shawn Wagner).
	* io.c (read_stream_line, write_stream): Add filename parameter.
	  Print the file name in case of error. (Reported by Dan Jacobson).
	* global.c: Integrate 'resize_line_buffer' into 'set_active_node'.
	* buffer.c: Integrate 'resize_undo_buffer' into 'push_undo_atom'.

2020-02-20  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.16 released.
	* regex.c (line_replace): Accept 's/^/#/g' as valid.
	  (Reported by Bjoern Wibben).
	* main_loop.c: Remove length limit of prompt string.
	  (Reported by Tim Chase).
	* main.c: Set a valid invocation_name even if argc == 0.
	* ed.texi: Extended operators depend on regex implementation.
	  (Reported by Brian Zwahr).
	* ed.texi: Several fixes and improvements.

2019-01-01  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.15 released.
	* io.c (print_line): Make command 'l' print '\\' before every '$'
	  within the text. (Reported by Ori Avtalion).
	* main_loop.c (extract_addresses): Fix address ',,' to mean '$,$'
	  instead of '1,$'. (Reported by Matthieu Felix).
	* regex.c (extract_replacement): Allow newlines even if global.
	* main_loop.c (exec_command): Make command 'c' reject address 0.
	* ed.texi: Minor fixes.
	* configure: Accept appending to CFLAGS; 'CFLAGS+=OPTIONS'.

2017-02-22  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.14.2 released.
	* main.c (show_strerror) Revert to using '!scripted' instead of
	  'verbose' to enable diagnostics.

2017-01-10  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.14.1 released.
	* Print counts, messages, '?' and '!' to stdout instead of stderr.
	* buffer.c (append_lines): Fix current address after empty 'i'.
	* regex.c (get_compiled_regex): Fix crash caused by invalid free
	  introduced in ed 1.14. (Reported by Hanno B�ck).
	  (set_subst_regex): Treat missing delimiters consistently.
	  (extract_replacement): Don't replace 'a' with '%' in 's/a/%'.
	  Fix infinite loop with EOF in the middle of a replacement.
	  Don't accept newlines in replacement in a global command.
	  Last delimiter can't be omitted if not last in command list.
	  (search_and_replace): Set current address to last line modified.
	* main_loop.c (extract_addresses): Fix address offsets;
	  '3 ---- 2' was calculated as -2 instead of 1.
	  Accept ranges with the first address omitted.
	  (exec_command): Fix current address after empty replacement text
	  in command 'c'.
	  Don't clear the modified status after writing the buffer to a
	  shell command. (Reported by J�r�me Frgacic).
	  (get_command_suffix): Don't allow repeated print suffixes.
	  (command_s): Accept suffixes in any order.
	  Don't allow multiple count suffixes.
	  'sp' now toggles all print suffixes.
	  (main_loop): Make EOF on stdin behave as command 'q'.
	* ed.texi: Fix the description of commands 'acegijkmqrsuw'.
	  Document that ed allows any combination of print suffixes.
	* testsuite: Improve most tests. Simplify bug reporting.
	* configure: Avoid warning on some shells when testing for gcc.
	* Makefile.in: Detect the existence of install-info.

2016-01-24  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.13 released.
	* buffer.c (put_sbuf_line): Fix a memory leak.
	* io.c (read_file, write_file): Close file on error.
	  (Both issues reported by C�dric Picard).

2015-07-04  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.12 released.
	* ed.texi: Remove extra spaces from some commands.

2015-03-30  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.11 released.
	* main_loop.c (exec_command): Fix command 'z'.
	  (zN printed N + 1 lines).
	* ed.texi: Document the window size used by the command 'z'.
	* Makefile.in: New targets 'install*-compress'.
	* Restore original copyright and license notices in the code. I
	  assigned to the FSF the copyright on changes made to the part of ed
	  already copyrighted by the FSF, which seems to be just the manual.

2014-01-22  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.10 released.
	* ed.texinfo: Rename to ed.texi.

2013-06-18  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.9 released.
	* check.sh: Don't feed shell scripts to ed.
	* configure: Options now accept a separate argument.

2013-04-23  Antonio Diaz Diaz  <antonio@gnu.org>

* Version 1.8 released.
	* io.c (get_tty_line): Remove "double EOF" behavior.

2012-10-09  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 1.7 released.
	* main.c (main): Set invocation_name before calling show_error.
	* Change quote characters in messages as advised by GNU Standards.
	* ed.texinfo: Fix description of address offsets.
	* ed.texinfo: Fix a link to the Bash manual.
	* configure: Rename 'datadir' to 'datarootdir'.
	* Makefile.in: New target 'install-bin'.

2012-01-01  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 1.6 released.
	* io.c (put_tty_line): Null characters where incorrectly shown by
	  the command 'l'. (Reported by Martin Guy).
	* io.c (read_stream): Fix the condition deciding when to show the
	  message "Newline appended".
	* main_loop.c (exec_command): The 'modified' flag is now set when
	  reading a non-empty file into an empty buffer.
	* regex.c (translit_text): Fix typo that prevented using NUL
	  characters in regular expressions.
	* main_loop.c (exec_command): Return ERR if 'system' can't create a
	  shell process.
	* main_loop.c (main_loop): Flush stdout/stderr before reading a new
	  command.
	* buffer.c (put_sbuf_line): Add size parameter.
	* ed.1: Man page is now generated with 'help2man'.
	* ed.1: All command-line options are now documented in the man page.
	* Restore copyright notices of Andrew L. Moore. It seems Andrew
	  granted some permissions but never assigned copyright to the FSF.

2010-08-30  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 1.5 released.
	* buffer.c (append_lines): Fix commands 'a', 'c', and 'i'.
	  (When used in a global command list, the commands following them
	  in the list were ignored).
	* main_loop.c (exec_command): Fix command 'e'.
	  (It quitted when invoked a second time with a modified buffer).
	* main.c: New option '-r, --restricted'.
	* 'red' has been converted to a script invoking 'ed --restricted'.
	* Description of ed in the manual has been changed.
	* testsuite: Modify some tests and remove obsolete POSIX tests.
	* main_loop.c: Make variable 'ibufp' local to main_loop.
	* Define type bool to make clear which functions and variables are
	  Boolean.
	* Add 'const' to all pointer declarations accepting it.
	* regex.c (replace_matching_text): Make se_max an enum.
	* signal.c: Include termios.h.
	* Convert C99 style comments '//' to C89 style comments '/* */'.
	* ed.texinfo: Fix an erratum.
	* Change copyright holder from Andrew, Antonio to the FSF.
	  (This change was later discovered to be wrong. See 1.6 and 1.11).

2009-07-10  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 1.4 released.
	* buffer.c, main_loop.c: Undo now restores the modified status.
	* regex.c (search_and_replace):
	  Fix a race condition with user interrupt.
	* signal.c: Add new functions 'resize_line_buffer' and
	  'resize_undo_buffer' to definitively fix the aliasing warnings.
	* Some minor corrections have been made to the manual.

2009-05-24  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 1.3 released.
	* carg_parser.c (ap_resize_buffer): An aliasing related segfault
	  that only occurs when overoptimizing with GCC on some
	  architectures (alpha, sparc) has been (hopefully) fixed.
	* signal.c (resize_buffer): Likewise.

2009-01-31  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 1.2 released.
	* configure: Locale has been fixed to 'C'.
	* Makefile.in: Man page is now installed by default.
	* 'make install-info' should now work on Debian and OS X.
	* ed.texinfo: Update license to GFDL version 1.3 or later.

2008-10-14  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 1.1 released.
	* configure: Quote arguments stored in config.status.

2008-08-21  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 1.0 released.
	* configure: New option '--program-prefix'.
	* signal.c (strip_escapes): Fix a buffer overflow.
	* signal.c (resize_buffer): Fix a pointer aliasing warning.

2008-02-24  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 0.9 released.
	* signal.c (sighup_handler): Return 0 if no error.
	* Arg_parser updated to 1.1.

2007-08-18  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 0.8 released.
	* check.sh: Testsuite exits unsuccesfully in case of error.
	* ed.1: Fix some minor problems in the manual page.
	* ed.texinfo: Add 21 kB of legalese (fdl.texinfo).

2007-07-18  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 0.7 released.
	* buffer.c (dec_addr): Return correct address when wrapping.

2007-06-29  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 0.6 released.
	* signal.c (sigwinch_handler, set_signal):
	  Fix two minor compatibility problems.
	* main_loop.c (main_loop):
	  Fix an infinite loop when reading an empty script.
	* Update license to GPL version 3 or later.
	  (This change was later discovered to be wrong. See 1.5 and 1.18).

2007-03-09  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 0.5 released.
	* main_loop.c (next_addr): '%' reimplemented as it was in ed 0.2.

2007-01-15  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 0.4 released.
	* Fix some minor problems in the testsuite.

2006-11-11  Antonio Diaz Diaz  <ant_diaz@teleline.es>

* Version 0.3 released.
	* buffer.c (open_sbuf): Fix symlink vulnerability using 'tmpfile'.
	* signal.c: Fix signal handling for SIGINT.
	* main_loop.c (exec_command): Modify commands 'c' and 'i' to treat
	  address 0 as a synonym for address 1, as per POSIX.
	* The pause mode has been removed.
	* main.c: New option '-l, --loose-exit-status'.
	* main.c: New option '-v, --verbose'.
	* carg_parser.c: New argument parser that replaces 'getopt_long'.
	* 'configure' and 'Makefile.in' have been replaced.
	* Remove recursive make for testsuite.
	* Create directory 'doc'.
	* Remove all pre ISO C89 code.
	* Remove all global variables.
	* ed.texinfo: Add the changes from Andrew and some mine.

Sun Jun 26 22:21:59 1994 Andrew L. Moore  <alm@worm.talke.org>

* GNU ed 0.2 release.

* main.c (yank_lines): Added yank buffer.
	  A range of lines may be cut ('d') to or yanked ('y') from
	  a yank buffer.  Lines in the buffer may be put ('x')
	  after the addressed line (. by default).

* main.c (display_lines): Page output of listed ('l') lines
	  if isatty(0).

* main.c (main): Replaced isatty(0) with is_regular_file().
	  Errors in piped scripts, as opposed to regular scripts or
	  here documents, do not force ed to exit.

* Capitilize error messages per the standard.

Wed Jun 22 01:06:11 1994 Andrew L. Moore  <alm@woops.talke.org>

* ed.h: Generic definition of INT_MAX <bson@ai.mit.edu>

* signal.c: Added #ifndef SIG_ERR <assar@stacken.kth.se>

Tue Apr 19 10:52:51 1994 Andrew L. Moore  <alm@woops.talke.org>

* Version 0.1.  Initial release for GNU.

* main.c (exec_command): Add comment command '#'.

Mon Mar 21 21:58:11 PST 1994 Andrew L. Moore  <alm@netcom.com>

*  Use umask 077 to open buffer file.

Sat Mar 19 14:06:52 PST 1994 Andrew L. Moore  <alm@netcom.com>

* Removed problematic DES and insque support.

Wed Jan 19 20:42:50 PST 1994 Andrew L. Moore  <alm@netcom.com>

* Added reliable signal(2) for SysV.

Dec 1993  Fran�ois Pinard  <pinard@icule>

* GNUified ed.

This file is a collection of facts, and thus it is not copyrightable,
but just in case, you have unlimited permission to copy, distribute, and
modify it.

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