1.42 -> 1.43 Sat Dec 3 13:11:32 1994
+ Marks, SunOS signed comparison fix for 1.42.
1.41 -> 1.42 Fri Dec 2 20:08:16 1994
+ Make autowrite require the file not be read-only.
+ Make the ex insert command work in empty files.
+ Tab expansion is no longer limited to values < 20 (which matches
+ Simplify (and fix limit detection for) the # command. It's no
longer possible to use the # command itself to repeat or modify
a previous # command, '.' is the only possibility.
+ Lots more reworking of the ex addresses, putting ? and / into
the ex addressing code broke the world.
+ Make the Put, Preserve and Print commands work (don't ask).
+ Split stdout/stderr from shell expansions; stdout is expansion
text, stderr is entered on the message queue.
1.40 -> 1.41 Fri Nov 18 16:13:52 1994
+ Addition of a port for AUX 3.1
+ Addition of a message catalog for Russian.
+ Make vi ? and / commands be true ex addresses (historic practice).
+ Display the date first in vi -r recovery list.
1.39 -> 1.40 Mon Nov 14 10:46:56 1994
+ Two bug fixes for 1.39; -r option and v_change core dump.
1.38 -> 1.39 Sun Nov 13 18:04:08 1994
+ Ex substitution with confirmation now matches historic practice
(except that it still runs in raw mode, not cooked).
+ Nvi now clears the screen before painting, if repainting the
+ Fix final cursor position for put command entering text in a
+ Change to break error message lines on the last <blank> in the
+ Always center the current line when returning to a previously
edited file or moving to a tag line that's not visible on the
+ Change write of the current file using an explicit name or % to
match the semantics of :w<CR>, not :w file<CR>.
+ Add command aliases to vi, and remap 6 historic commands to their
historic counterparts: D->d$, Y->y_, S->c_, C->c$, A->$a, I->^i.
+ Match option display to historic practice; if boolean or numeric
options changed to default values, not displayed by default.
Nvi treats string options the same way, vi always displayed any
string option that was changed.
+ Added lock edit option, if not set, no file locking is done.
+ Rework ex to permit any ex command in the EXINIT variable or
exrc startup files. This fixes the bug were `vi +100 file'
painted the screen and then moved to line 100 and repainted.
+ Bug fix: could report file modified more recently than it was
+ Search fix: historically, motions with deltas were not corrected
to the previous/next line based on the starting/stopping column.
+ Addressing fixes: make trailing non-existent addresses work, change
% to be text substitution, not a unique address (to follow future
1.37 -> 1.38 Mon Oct 24 12:51:58 1994
+ Scrolling fix; ^B can move to nonexistent lines.
+ Fix to vi mapped commands; <escape> characters while already in
command mode did not historically cause the mapped characters to
+ Add the backup edit option, automatically version edit files.
+ Make it possible to edit files that db can't read, i.e. edit a
temporary file, with the correct file name.
+ Only anchor the last line of the file to the bottom line of the
screen if there's half or less of a screen between the target
line and the end of the file.
+ Fix wrapmargin text allocation bug.
+ Fix ex put command to work in any empty file.
+ Fix global command to handle move's to line 0 correctly.
+ Regularize the yank cursor motions, several bug fixes for historic
+ Fix N and n, when used as a motion command for the ! command,
repeat the last bang command instead of prompting for a new
+ Timeout maps beginning with <escape> quickly, instead of based
+ Bug fix for wraplen option, wasn't triggered for input commands.
1.36 -> 1.37 Sun Oct 9 19:02:53 1994
+ Change PORT directories to install patches before distribution.
+ Fix ^A to set search direction and pattern for consistency.
+ Fold the showdirty option into the showmode option.
+ Ex addressing fix: change search offset and line arguments (e.g.
the copy command) to be ex addressing offsets, matching historic
+ Ex addressing fix: support ^ as an offset/flag equivalent to -.
+ Ex addressing fix: historically, any missing address defaulted to
dot, e.g. "4,,," was the same as ".,.".
+ Ex addressing fix: historically, <blank> separated numbers were
additive, e.g. "3 5p" displayed line 8.
+ Ex addressing fix: make ';' as a range delimiter match historic
+ Change nvi to exit immediately if stdout isn't a terminal.
+ Change alternate file name behavior to match historic practice,
make the :write command set the current file name.
+ Text input fix; input keys from a map, with an associated count,
weren't historically affected by the wrapmargin value.
+ Add wraplen option, same as wrapmargin, but from the left-hand
+ Make ex address .<number> be equivalent to .+<number>, i.e. the
'+' is understood; matches historic practice, and it's widely
+ Input mode ^V^J historically mapped into a single ^J.
+ Minor catalog changes, fixes; don't use 's' to pluralize words.
1.35 -> 1.36 Thu Sep 8 08:40:25 1994
+ Don't overwrite user's maps with standard (termcap) mappings.
+ Make \ escape kill and erase characters in vi text input mode.
+ Fix ^D autoindent bug by resolving leading <blank>s at ^D.
+ Rework abbreviation tests (again!) to match historic practice.
+ Change ^D/^U default scrolling value to be based on window option
value, not screen lines, correct scrolling option value, both to
match historic practice. NOTE: System V does this differently!
1.34 -> 1.35 Wed Aug 31 19:20:15 1994
+ Add the historic -l option.
+ Display global messages at each flush, just in case some are there.
+ Fix global substitute code, `\\' wasn't handled correctly.
+ Fix abbreviation code to use <blank>s as the preceding character.
+ Fix ruler to display logical column, not physical column.
+ Block signals when user issues :preserve command, so no race caused
1.33 -> 1.34 Wed Aug 17 14:37:32 1994 (PUBLICLY AVAILABLE VERSION)
+ Back out sccsid string fix, it won't work on SunOS 4.1.
1.32 -> 1.33 Wed Aug 17 09:31:41 1994 (PUBLICLY AVAILABLE VERSION)
+ Get back 5K of data space for the sccsid strings.
+ Fix bug where cG fix in version 1.31 broke cw cursor positioning
when the change command extended the line.
+ Fix core dump in map/seq code if character larger than 7 bits.
+ Block signals when manipulating the SCR chains.
+ Fix memory allocation for machines with multiple pointer sizes.
1.31 -> 1.32 Mon Aug 15 14:27:49 1994
+ Turn off recno mmap call for Solaris 2.4/SunOS 5.4.
1.30 -> 1.31 Sun Aug 14 13:13:35 1994
+ Fix bug were cG on the last line of a file wasn't done in line mode,
and where the cursor wasn't positioned correctly after exiting text
+ Add termcap workaround to make function keys greater than 9 work
correctly (or fail if old-style termcap support).
+ Change ex/vi to not flush mapped keys on error -- this is historic
practice, and people depended on it.
+ Rework vi parser so that no command including a mapped key ever
becomes the '.' command, matching historic practice.
+ Make <escape> cancellation in the vi parser match POSIX 1003.2.
+ Fix curses bug where standout string was written for each standout
character, and where standout mode was never exited explicitly.
Fix bugs in curses SF/sf and SR/sr scrolling, as seen on Sun and
+ The v/global commands execute the print command by default.
+ The number option historically applies to ex as well as vi.
1.29 -> 1.30 Mon Aug 8 10:30:42 1994
+ Make first read into a temporary set the file's name.
+ Permit any key to continue scrolling or ex commands -- this
allows stacked colon commands, and matches historic practice.
+ Don't output normal ! command commentary in ex silent mode.
+ Allow +/- flags after substitute commands, make line (flag)
offsets from vi mode match historic practice.
+ Return <eof> to ex immediately, even if preceded by spaces. Rework
ex parser to do erase the prompt instead of depending on the print
routines to do it. Minor fixes to the ex parser for display of
default and scrolling commands. MORE EX PARSER CHANGES.
1.28 -> 1.29 Fri Aug 5 10:18:07 1994
+ Make the abbreviated ex delete command work (:dele---###lll for
example, is historically legal.
+ When autoprint fires, multiple flags may be set, use ex_print
directly instead of the stub routines.
+ Change v/global commands to turn off autoprint while running.
+ Minor changes to make the ! command display match historic output.
+ Rework the ex parser to permit multiple command separators without
commands -- MAJOR CHANGE, likely to introduce all sorts of new bugs.
+ Fix cd command to expand argument in the context of each element
of the cdpath option, make relative paths always relative to the
+ Rework write/quit cases for temporary files, so that user's don't
discard them accidentally.
+ Check for window size changes when continuing after a suspend.
+ Fix memory problem in svi_screen, used free'd memory.
+ Change the ex change, insert, append commands to match historic
cursor positions if no data entered by the user.
+ Change ex format flags (#, l, p) to affect future commands, not
just the current one, to match historic practice.
+ Make the user's EOF character an additional scroll character in ex.
+ Fix ex ^D scrolling to be the value of the scroll option, not half
+ Fix buffer execution to match historic practice -- bugs where the
'*' command didn't work, and @<carriage-return> didn't work.
+ Fix doubled reporting of deleted lines in filters.
+ Rework the % ` / ? ( ) N n { and ^A commands to always cut into
numeric buffers regardless of the location or length of the cut.
This matches historic practice.
+ Fix the { command to check the current line if the cursor doesn't
start on the first character of the line.
+ Do '!' expansion in the ex read command arguments, it's historic
practice. In addition, it sets the last '!' command.
1.27 -> 1.28 Wed Jul 27 21:29:18 1994
+ Add support for scrolling using the CS and SF/sf/SR/sr termcap
strings to the 4BSD curses.
+ Rework of getkey() introduced a bug where command interrupt put
nvi into an infinite loop.
+ Piping through a filter historically cut the replaced lines into
the default buffer, although not the numeric ones.
+ Read of a filter and !! historically moved to the first nonblank
of the resulting cursor line (most of the time).
+ Rework cursor motion flags, to support '!' as a motion command.
1.26 -> 1.27 Tue Jul 26 10:27:58 1994
+ Add the meta option, to specify characters the shell will expand.
+ Fix the read command to match historic practice, the white space
and bang characters weren't getting parsed correctly.
+ Change SIGALRM handler to save and restore errno.
+ Change SunOS include/compat.h to include <vfork.h> so that the
ex/filter.c code works again.
+ Don't put lines deleted by the ex delete command into the numeric
buffers, matching historic practice.
+ Fix; if appending to a buffer, default buffer historically only
references the appended text, not the resulting text.
+ Support multiple, semi-colon separated search strings, and 'z'
commands after search strings.
+ Make previous context mark setting match historic practice (see
+ Fix the set command to permit whitespace between the option and
the question mark, fix question marks in general.
+ Fix bug where ex error messages could be accidentally preceded
+ Fix bug where curses reorganization could lose screen specific
mappings as soon as any screen exited.
+ Fix bug in paragraph code where invalid macros could be matched.
Make paragraph motions stop at formfeed (^L) characters.
+ Change 'c' to match historic practice, it cut text into numeric
1.25 -> 1.26 Tue Jul 19 17:46:24 1994
+ Ignore SIGWINCH if the screen size is unchanged; SunOS systems
deliver one when a screen is uncovered.
+ Fix: don't permit a command with a motion component to wrap due
to wrapscan and return to the original cursor position.
+ Fix: ^E wasn't beeping when reaching the bottom of the file.
+ Fix bg/fg bug where tmp file exiting caused a NULL dereference.
+ Rework file locking code to use fcntl(2) explicitly.
+ Fix bug in section code where invalid macros could be matched.
+ Fix bug where line number reset by vi's Q command.
+ Add explicit character mode designation to character mode buffers.
+ Add <sys/ioctl.h> include to sex/sex_window.c, needed by NET/2
+ Change to always flush a character during suspend, 4BSD curses
has the optimization where it doesn't flush after a standend().
+ Fix bug on OSF1 where <curses.h> changes the values of VERASE,
VKILL and VWERASE to incorrect ones.
+ Fix bug where optarg used incorrectly in main.c.
+ Block all signals when acting on a signal delivery.
+ Fix recovery bug where RCV_EMAIL could fire even if there wasn't
a backing file; format recovery message.
1.24 -> 1.25 Sun Jul 17 14:33:38 1994
+ Stop allowing keyboard suspends (^Z) in insert mode, it's hard
to get autowrite correct, and it's not historic practice.
+ Fix z^, z+ to match historic practice.
+ Bug in message handling, "vi +35 non-existent_file" lost the
status message because the "+35" pushed onto the stack erased
it. For now, change so that messages aren't displayed if there
are keys waiting -- may need to add a "don't-erase" bit to the
character in the stack instead.
+ Bug in svi_msgflush(), where error messages could come out in
1.23 -> 1.24 Sat Jul 16 18:30:18 1994
+ Fix core dump in exf.c, where editing a non-existent file and
exiting could cause already free'd memory to be free'd.
+ Clean up numerous memory errors, courtesy of Purify.
+ Change process wait code to fail if wait fails, and not attempt
to interpret the wait return information.
+ Open recovery and DB files for writing as well as reading, System
V (fcntl) won't let you acquire LOCK_EX locks otherwise.
+ Fix substitute bug where could malloc 0 bytes (AIX breaks).
+ Permit the mapping of <carriage-return>, it's historic practice.
+ Historic vi didn't eat <blank> characters before the force
flag, match historic practice.
+ Bug in ex argument parsing, corrected for literal characters
+ Delete screen specific maps when the screen closes.
+ Move to the first non-<blank> in the line on startup; historic
+ Change the ex visual command to move directly to a line if no
+ Fix "[[" and "]]" to match historic practice (yet again...).
+ Fix "yb" and "y{" commands to update the cursor correctly.
+ Change "~<motion>" to match the yank cursor movement semantics
+ Move all of the curses related code into sex/svi -- major rework,
but should help in future ports.
+ Fix bug in split code caused by new file naming code, where would
drop core when a split screen exited.
+ Change svi_ex_write to do character display translation, so that
messages with file names in them are displayed correctly.
+ Display the file name on split screens instead of a divider line.
+ Fix move bug, wasn't copying lines before putting them.
+ Fix bug were :n dropped core if no arguments supplied.
+ Don't quote characters in executed buffer: "ifoo<esc>" should leave
insert mode after the buffer is executed.
+ Tagpop and tagpush should set the absolute mark in case only moving
+ Skip leading whitespace characters before tags and cursor word
+ Fix bug in ex_global where re_conv() was allocating the temporary
buffer and not freeing it.
1.22 -> 1.23: Wed Jun 29 19:22:33 1994
+ New <sys/cdefs.h> required "inline" to change to "__inline"
+ Fix System V curses code for new ^Z support.
+ Fix off-by-one in the move code, avoid ":1,$mo$" with only one
+ Line orientation of motion commands was remembered too long,
i.e. '.' command could be incorrectly marked as line oriented.
+ Move file modification time into EXF, so it's shared across
+ Put the prev[ious] command back in, people complained.
+ Random fixes to next/prev semantics changed in 1.22.
+ Historically vi doesn't only move to the last address if there's
ANYTHING after the addresses, e.g. ":3" moves to line 3, ":3|"
1.21 -> 1.22: Mon Jun 27 11:01:41 1994
+ Make the line between split screens inverse video again.
+ Delete the prev[ious] command, it's not useful enough to keep.
+ Rework :args/file name handling from scratch -- MAJOR CHANGE,
likely to introduce all sorts of new bugs.
+ Fix RE bug where no subexpressions in the pattern but there were
subexpressions referenced in the replacement, e.g. "s/XXX/\1/g".
+ Change recovery to not leave unmodified files around after a
crash, by using the owner 'x' bit on unmodified backup files.
MAJOR CHANGE, the system recovery script has to change!
+ Change -r option to delete recovery.* files that reference non-
+ Rework recovery locking so that fcntl(2) locking will work.
+ Fix append (upper-case) buffers, broken by cut fixes.
+ Fix | to not set the absolute motion mark.
+ Read $HOME/.exrc file on startup if the effective user ID is
root. This makes running vi while su(1)'d work correctly.
+ Use the full pathname of the file as the recovery name, not
just the last component. Matches historic practice.
+ Keep marks in empty files from being destroyed.
+ Block all caught signals before calling the DB routines.
+ Make the line change report match historic practice (yanked
lines were different than everything else).
+ Add section on multiple screens to the reference manual.
+ Display all messages at once, combine onto a single line if
possible. Delete the trailing period from all messages.
1.20 -> 1.21: Thu May 19 12:21:58 1994
+ Delete the -l flag from the recover mail.
+ Send the user email if ex command :preserve executed, this matches
historic practice. Lots of changes to the preserve and recovery
code, change preserve to snapshot files (again, historic practice).
+ Make buffers match historic practice: "add logically stores text
into buffer a, buffer 1, and the unnamed buffer.
+ Print <tab> characters as ^I on the colon command line if the
+ Adjust ^F and ^B scroll values in the presence of split screens
+ Break msg* routines out from util.c into msg.c, start thinking
+ Add tildeop set option, based on stevie's option of the same name.
Changes the ~ command into "[count] ~ motion", i.e. ~ takes a
+ Chose NOT to match historic practice on cursor positioning after
consecutive undo commands on a single line; see vi/v_undo.c for
+ Add a one line cache so that multiple changes to the same line
are only counted once (e.g. "dl35p" changes one line, not 35).
+ Rework signals some more. Block file sync signals in vi routines
that interface to DB, so can sync the files at interrupt time.
Write up all of the signal handling arguments, see signal.c.
1.19 -> 1.20: Thu May 5 19:24:57 1994
+ Return ^Z to synchronous handling. See the dicussion in signal.c
and svi_screen.c:svi_curses_init().
+ Fix bug where line change report was wrong in util.c:msg_rpt().
1.18 -> 1.19: Thu May 5 12:59:51 1994
+ Block DSUSP so that ^Y isn't delivered at SIGTSTP.
+ Fix bug -- put into an empty file leaves the cursor at 1,0,
+ Fix bug were number of lines reported for the 'P' command was
+ Fix bug were 0^D wasn't being handled correctly.
+ Delete remnants of ^Z as a raw character.
+ Fix bug where if a map was an entire colon command, it may never
+ Final cursor position fixes for the vi T and t commands.
+ The ex :next command took an optional ex command as it's first
argument similar to the :edit commands. Match historic practice.
1.17 -> 1.18: Wed May 4 13:57:10 1994
+ Rework curses information in the PORT/Makefile's.
+ Minor fixes to ^Z asynchronous code.
1.16 -> 1.17: Wed May 4 11:15:56 1994
+ Make ex comment handling match historic practice.
+ Make ^Z work asynchronously, we can no longer use the SIGTSTP
handler in the curses library.
1.15 -> 1.16: Mon May 2 19:42:07 1994
+ Make the 'p' and 'P' commands support counts, i.e. "Y10p" works.
+ Make characters that map to themselves as the first part of the
mapping work, it's historic practice.
+ Fix bug where "s/./\& /" discarded the space in the replacement
+ Add support for up/down cursor arrows in text input mode, rework
left/right support to match industry practice.
+ Fix bug were enough character remapping could corrupt memory.
+ Delete O_REMAPMAX in favor of setting interrupts after N mapped
characters without a read, delete the map counter per character.
MAJOR CHANGE. All of the interrupt signal handling has been
reworked so that interrupts are always turned on instead of
being turned on periodically, when an interruptible operation is
+ Fix bug where vi wait() was interrupted by the recovery alarm.
+ Make +cmd's and initial commands execute with the current line
set to the last line of the file. This is historic practice.
+ Change "lock failed" error message to a file status message.
It always fails over NFS, and making all NFS files readonly
+ Use the historic line number format, but check for overflow.
+ Fix bug where vi command parser ignored buffers specified as
part of the motion command.
+ Make [@*]buffer commands on character mode buffers match historic
+ Fix bug where the cmap/chf entries of the tty structure weren't
being cleared when new characters were read.
+ Fix bug where the default command motion flags were being set
when the command was a motion component.
+ Fix wrapmargin bug; if appending characters, and wrapmargin breaks
the line, an additional space is eaten.
1.14 -> 1.15: Fri Apr 29 07:44:57 1994
+ Make the ex delete command work in any empty file.
+ Fix bug where 't' command placed the cursor on the character
+ ^D and ^U didn't set the scroll option value historically.
Note, this change means that any user set value (e.g. 15^D)
will be lost when splitting the screen, since the split code
now resets the scroll value regardless.
+ Fix the ( command to set the absolute movement mark.
+ Only use TIOCGWINSZ for window information if SIGWINCH signal
+ Delete the -l flag, and make -r work for multiple arguments.
Add the ex "recover[!] file" command.
+ Switch into ex terminal mode and use the sex routines when
append/change/insert called from vi mode.
+ Make ^F and ^B match historic practice. This required a fairly
extensive rework of the svi scrolling code.
+ Cursor positioning in H, M, L, G (first non-blank for 1G) wasn't
being done correctly. Delete the SETLFNB flag. H, M, and L stay
logical movements (SETNNB) and G always moves to the first nonblank.
+ System V uses "lines" and "cols", not "li" and "co", change as
necessary. Check termcap function returns for errors.
+ Fix `<character> command to do start/end of line correction,
and to set line mode if starting and stopping at column 0.
+ Fix bug in delete code where dropped core if deleted in character
mode to an empty line. (Rework the delete code for efficiency.)
+ Give up on SunOS 4.1.X, and use "cc" instead of /usr/5bin/cc.
+ Protect ex_getline routine from interrupted system calls (if
possible, set SA_RESTART on SIGALRM, too).
+ Fix leftright scrolling bug, when moving to a shorter line.
+ Do validity checking on the copy, move, t command target line
+ Change for System V % pattern broke trailing flags for empty
+ Fix bug when RCM flags retained in the saved dot structure.
+ Make the ex '=' command work for empty files.
+ Fix bug where special_key array was being free'd (it's no longer
+ Matches cut in line mode only if the starting cursor is at or
before the first nonblank in its line, and the ending cursor is
at or after the last nonblank in its line.
+ Add the :wn command, so you can write a file and switch to a new
+ Allow only a single key as an argument to :viusage.
+ New movement code broke filter/paragraph operations in empty
files ("!}date" in an empty file was dropping core).
1.12 -> 1.14: Mon Apr 18 11:05:10 1994 (PUBLICLY AVAILABLE VERSION, 4.4BSD)
+ Fix FILE structure leakage in the ex filter code.
+ Rework suspend code for System V curses. Nvi has to do the
the work, there's no way to get curses to do it right.
+ Revert SunOS 4.1.X ports to the distributed curses. There's
a bug in Sun's implementation that we can't live with.
+ Quit immediately if row/column values are unreasonable.
+ Fix the function keys to match vi historic behavior.
+ Replace the echo/awk magic in the Makefile's with awk scripts.
1.11 -> 1.12: Thu Apr 14 11:10:19 1994
+ Fix bug where only the first vi key was checked for validity.
+ Make 'R' continue to overwrite after a <carriage-return>.
+ Only display the "no recovery" message once.
+ Rework line backup code to restore the line to its previous
+ Don't permit :q in a .exrc file or EXINIT variable.
+ Fix wrapscan option bug where forward searches become backward
searches and do cursor correction accordingly.
+ Change "dd" to move the cursor to the first non-blank on the line.
+ Delete cursor attraction to the first non-blank, change non-blank
motions to set the most attractive cursor position instead.
+ Fix 'r' substitute option to set the RE to the last RE, not the
+ Fix 'c' and 'g' substitute options to always toggle, and fix
edcompatible option to not reset them.
+ Display ex error messages in inverse video.
+ Fix errorbells option to match historic practice.
+ Delete fixed character display table in favor of table built based
+ Add ":set octal" option, that displays unknown characters as octal
values instead of the default hexadecimal.
+ Make all command and text input modes interruptible.
+ Fix ex input mode to display error messages immediately, instead
of waiting for the lines to be resolved.
+ Fix bug where vi calling append could overwrite the command.
+ Fix off-by-one in the ex print routine tab code.
+ Fix incorrect ^D test in vi text input routines.
+ Add autoindent support for ex text insert routines.
+ Add System V substitute command replacement pattern semantics,
where '%' means the last replacement pattern.
+ Fix bug that \ didn't escape newlines in ex commands.
+ Regularize the names of special characters to CH_*.
+ Change hex insert character from ^Vx<hex_char> to ^X<hex_char>
+ Integrate System V style curses, so SunOS and Solaris ports can
use the native curses implementation.
1.10 -> 1.11: Thu Mar 24 16:07:45 EST 1994 (PUBLICLY AVAILABLE VERSION)
+ Change H, M, and L to set the absolute mark, historical practice.
+ Fix bug in stepping through multiple tags files.
+ Add "remapmax" option that turns off map counts so you can remap
infinitely. If it's off, term_key() can be interrupted from the
keyboard, which will cause the buffers to flush. I also dropped
the default max number of remaps to 50. (Only Dave Hitz's TM
macros and maze appear to go over that limit.)
+ Change :mkexrc to not dump w{300,1200,9600}, lisp options.
+ Fix backward search within a line bug.
+ Change all the includes of "pathnames.h" to use <>'s so that the
PORT versions can use -I. to replace it with their own versions.
+ Make reads and writes interruptible. Rework code that enters and
leaves ex for '!' and filter commands, rework all interrupt and
+ Fix core dump when user displayed option in .exrc file.
+ Fix bug where writing empty files didn't update the saved
+ Fix bug where /pattern/ addressing was always a backward search.
+ Fix bug triggered by autoindent of more than 32 characters, where
nvi wasn't checking the right TEXT length.
+ Fix bug where joining only empty lines caused a core dump.
1.09 -> 1.10: Sat Mar 19 15:40:29 EST 1994
+ Fix "set all" core dump.
1.08 -> 1.09: Sat Mar 19 10:11:14 EST 1994
+ If the tag's file path is relative, and it doesn't exist, check
relative to the tag file location.
+ Fix ~ command to free temporary buffer on error return.
+ Create vi.ref, a first cut at a reference document for vi.
The manual page and the reference document only document the
+ Fix 1G bug not always going to the first non-blank.
+ Upgrade PORT/regex to release alpha3.4, from Henry Spencer.
+ Add MKS vi's "cdpath" option, supporting a cd search path.
+ Handle if search as a motion was discarded, i.e. "d/<erase>".
+ Change nvi to not create multiple recovery files if modifying
+ Decide to ignore that the cursor is before the '$' when inserting
in list mode. It's too hard to fix.
1.07 -> 1.08: Wed Mar 16 07:37:36 EST 1994
+ Leftright and big line scrolling fixes. This meant more changes
to the screen display code, so there may be new problems.
+ Don't permit search-style addresses until a file has been read.
+ "c[Ww]" command incorrectly handled the "in whitespace" case.
+ Fix key space allocation bug triggered by cut/paste under SunOS.
+ Ex move command got the final cursor position wrong.
+ Delete "optimize option not implemented" message.
+ Make the literal-next character turn off mapping for the next
character in text input mode.
1.06 -> 1.07: Mon Mar 14 11:10:33 EST 1994
+ The "wire down" change in 1.05 broke ex command parsing, there
wasn't a corresponding change to handle multiple K_VLNEXT chars.
+ Fix final position for vi's 't' command.
1.05 -> 1.06: Sun Mar 13 16:12:52 EST 1994
+ Wire down ^D, ^H, ^W, and ^V, regardless of the user's termios
+ Add ^D as the ex scroll command.
+ Support ^Q as a literal-next character.
+ Rework abbreviations to be delimited by any !inword() character.
+ Add options description to the manual page.
+ Minor screen cache fix for svi_get.c.
+ Rework beautify option support to match historical practice.
+ Exit immediately if not reading from a tty and a command fails.
+ Default the SunOS 4.* ports to the distributed curses, not SMI's.
1.04 -> 1.05: Thu Mar 24 16:07:45 EST 1994
+ Make cursor keys work in input mode.
+ Rework screen column code in vi curses screen. MAJOR CHANGE --
after this, we'll be debugging curses screen presentation from
+ Explode include files in vi.h into the source files.
1.03 -> 1.04: Sun Mar 6 14:14:16 EST 1994
+ Make the ex move command keep the marks on the moved lines.
+ Change resize semantics so you can set the screen size to a
specific value. A couple of screen fixes for the resize code.
+ Fixes for foreground/background due to SIGWINCH.
+ Complete rework of all of vi's cursor movements. The underlying
assumption in the old code was that the starting cursor position
was part of the range of lines cut or deleted. The command
"d[[" is an example where this isn't true. Change it so that all
motion component commands set the final cursor position separately
from the range, as it can't be done correctly later. This is a
MAJOR CHANGE -- after this change, we'll be debugging the cursor
positioning from scratch.
+ Rewrite the B, b, E, e commands to use vi's getc() interface
instead of rolling their own.
+ Add a second MARK structure, LMARK, which is the larger mark
needed by the logging and mark queue code. Everything else uses
the reworked MARK structure, which is simply a line/column pair.
+ Rework cut/delete to not expect 1-past-the-end in the range, but
to act on text to the end of the range, inclusive.
+ Sync on write's, to force NFS to flush.
1.01 -> 1.03: Sun Jan 23 17:50:35 EST 1994 (PUBLICLY AVAILABLE VERSION)
+ Tag stack fixes, was returning to the tag, not the position from
+ Only use from the cursor to the end of the word in cursor word
searches and tags. (Matches historical vi behavior.)
+ Fix delete-last-line bug when line number option set.
+ Fix usage line for :split command.
+ If O_NUMBER set, long input lines would eventually fail, the column
count for the second screen of long lines wasn't set correctly.
+ Fix for [[ reaching SOF with a column longer than the first line.
+ Fix for multiple error messages if no screen displayed.
+ Fix :read to set alternate file name as in historical practice.
+ Fix cut to rotate the numeric buffers if line mode flag set.
1.00 -> 1.01: Wed Jan 12 13:37:18 EST 1994
+ Don't put cut items into numeric buffers if cutting less than
0.94 -> 1.00: Mon Jan 10 02:27:27 EST 1994
+ Read-ahead not there; BSD tty driver problem, SunOS curses
+ Global command could error if it deleted the last line of
+ Change '.' to only apply to the 'u' if entered immediately
after the 'u' command. "1pu.u.u. is still broken, but I
expect that it's going to be sacrificed for multiple undo.
+ If backward motion on a command, now move to the point; get
yank cursor positioning correct.
+ Rework cut buffers to match historic practice -- yank/delete
numeric buffers redone sensibly, ignoring historic practice.
0.92 -> 0.93: Mon Dec 20 19:52:14 EST 1993
+ Christos Zoulas reimplemented the script windows using pty's,
which means that they now work reasonably. The down side of
this is that almost all ports other than 4.4BSD need to include
two new files, login_tty.c and pty.c from the PORT/clib directory.
I've added them to the Makefiles.
+ All calloc/malloc/realloc functions now cast their pointers, for
SunOS -- there should be far fewer warning messages, during the
build. The remaining messages are where CHAR_T's meet char *'s,
i.e. where 8-bit clean meets strcmp.
+ The user's argument list handling has been reworked so that there
is always a single consistent position for use by :next, :prev and
+ All of the historical options are now at least accepted, although
not all of them are implemented. (Edcompatible, hardtabs, lisp,
optimize, redraw, and slowopen aren't implemented.)
+ The RE's have been reworked so that matches of length 0 are handled
in the same way as vi used to handle them.
+ Several more mapping fixes and ex parser addressing fixes.
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