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delete these files ONCE MORE. SIGH!

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mrg 1996-06-23 05:48:55 +00:00
parent 5253727570
commit 922d5cf939
21 changed files with 0 additions and 18434 deletions
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19
usr.bin/vi/USD.doc/edit/Makefile
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# @(#)Makefile 8.1 (Berkeley) 6/8/93
DIR= usd/11.edit
SRCS= edittut.ms
EXTRA= edit.vindex
MACROS= -msU
paper.ps: ${SRCS}
${TBL} ${SRCS} | ${ROFF} > ${.TARGET}
# index for versatec is different from the one in edit.tut
# because the fonts are different and entries reference page
# rather than section numbers. if you have a typesetter
# you should just use the index in edit.tut, and ignore editvindex.
editvindex:
${TROFF} ${MACROS} -n22 edit.vindex
.include <bsd.doc.mk>

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.\" Copyright (c) 1980, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)edit.vindex 8.1 (Berkeley) 6/8/93
.\"
.bd I
.ND
.TL
Index
.sp 3
.2C
.nf
addressing, \fIsee\fR line numbers
append mode, 4
backslash (\\), 18
buffer, 2
command mode, 4
context search, 8, 10, 13, 18
control characters (``^'' notation), 8
control-d, 6
current filename, 19, 20
current line (.), 9, 15
diagnostic messages, 4
disk, 2
documentation, 21
edit (to begin editing session), 3, 7
editing commands:
.in +2
append (a), 4, 7
change (c), 16
copy (co), 13
delete (d), 13-14
edit (e), 12
file (f), 19
global (g), 18-19
move (m), 12-13
number (nu), 9
preserve (pre), 20-21
print (p), 8
quit (q), 5, 11
quit! (q!), 11
read (r), 20
recover (rec), 20
substitute (s), 9-10, 17, 18
undo (u), 14, 17
write (w), 5-6, 11, 19-20
z, 11
.sp 10i
! (shell escape), 19
$= , 15
+, 15
\-, 15
//, 8, 18
??, 18
\&\fB.\fR, 9, 15
\&\fB.\fR=, 9, 15
.in -2
erasing
.ti +2
characters (#), 8
.ti +2
lines (@), 8
ex (text editor), 21
\fIEx Reference Manual\fR, 21
file, 1
file recovery, 20
filename, 2
Interrupt (message), 7
line numbers, \fIsee also\fR current line
.ti +2
dollar sign ($), 8, 12-13, 15
.ti +2
dot (.), 9, 15
.ti +2
relative (+ and \-), 15, 16
logging out, 6
login procedure, 2
``magic'' characters, 21
non-printing characters, 8
``not found'' (message), 3
program, 1
recovery \fIsee\fR file recovery
shell, 18
shell escape (!), 19
special characters (^, $, \e), 18
text input mode, 4
UNIX, 1

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15
usr.bin/vi/USD.doc/exref/Makefile
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# @(#)Makefile 8.1 (Berkeley) 6/8/93
DIR= usd/13.ex
SRCS= ex.rm
EXTRA= ex.summary
MACROS= -msU
CLEANFILES=summary.*
paper.ps: ${SRCS} summary.ps
${ROFF} ${SRCS} > ${.TARGET}
summary.ps: ex.summary
${TBL} ex.summary | ${ROFF} > ${.TARGET}
.include <bsd.doc.mk>

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.\" Copyright (c) 1980, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)ex.summary 8.1 (Berkeley) 6/8/93
.\"
.ds p \v'-0.2'.\v'+0.2'
.ds U \s-2UNIX\s+2
.ds c \v'-0.2':\v'+0.2'
.nr PO .25i
.nr LL 6.75i
.lt 6.75i
.ll 6.75i
.ds CH
.ds LF Computing Services, U.C. Berkeley
.ds RF April 3, 1979
.de SP
.sp 1v
..
.nr PI 3n
.nr PD 0
.ND
.ps 12
.ft B
.ce 1
Ex/Edit Command Summary (Version 2.0)
.ft R
.nr VS 11
.nr PS 9
.nr HM 0.5i
.nr CW
.2C
.PP
.I Ex
and
.I edit
are text editors, used for creating
and modifying files of text on the \*U
computer system.
.I Edit
is a variant of
.I ex
with features designed to
make it less complicated
to learn and use.
In terms of command syntax and effect
the editors are essentially identical,
and this command summary applies to both.
.PP
The summary is meant as a quick reference
for users already acquainted
with
.I edit
or \fIex\fP.
Fuller explanations of the editors are available
in the documents
.I
Edit: A Tutorial
.R
(a self-teaching introduction) and the
.I
Ex Reference Manual
.R
(the comprehensive reference source for
both \fIedit\fP and \fIex\fP).
Both of these writeups are available in the
Computing Services Library.
.PP
In the examples included with the
summary, commands and text entered by
the user are printed in \fBboldface\fR to
distinguish them from responses printed
by the computer.
.sp 0.45v
.LP
.B
The Editor Buffer
.PP
In order to perform its tasks
the editor sets aside a temporary
work space,
called a \fIbuffer\fR,
separate from the user's permanent
file.
Before starting to work on an existing
file the editor makes a copy of it in the
buffer, leaving the original untouched.
All editing changes are made to the
buffer copy, which must then
be written back to the permanent
file in order to update the
old version.
The buffer disappears
at the end of the editing session.
.sp 0.45v
.LP
.B
Editing: Command and Text Input Modes
.PP
.R
During an editing session there are
two usual modes of operation:
\fIcommand\fP mode and \fItext input\fP
mode.
(This disregards, for the moment,
.I open
and
.I visual
modes, discussed below.)
In command mode, the editor issues a
colon prompt (:)
to show that it is ready to
accept and execute a command.
In text input mode, on the other hand, there is
no prompt and the editor merely accepts text to
be added to the buffer.
Text input mode is initiated by the commands
\fIappend\fP, \fIinsert\fP, and \fIchange\fP,
and is terminated by typing a period as the
first and only character on a line.
.sp 0.45v
.LP
.B
Line Numbers and Command Syntax
.PP
.R
The editor keeps track of lines of text
in the buffer by numbering them consecutively
starting with 1 and renumbering
as lines are added or deleted.
At any given time the editor is positioned
at one of these lines; this position is
called the \fIcurrent line\fP.
Generally, commands that change the
contents of the buffer print the
new current line at the end of their
execution.
.PP
Most commands can be preceded by one or two
line-number addresses which indicate the lines
to be affected.
If one number is given the command operates on
that line only; if two, on an inclusive range
of lines.
Commands that can take line-number prefixes also
assume default prefixes if none are given.
The default assumed by each command is designed
to make it convenient to use in many instances
without any line-number prefix.
For the most part, a command used without a
prefix operates on the current line,
though exceptions to this rule should be noted.
The \fIprint\fP command
by itself, for instance, causes
one line, the current line, to be
printed at the terminal.
.PP
The summary shows the number of line addresses
that can be
prefixed to each command as well as
the defaults assumed if they are omitted.
For example,
.I (.,.)
means that up to 2 line-numbers may be given,
and that if none is given the
command operates on the current line.
(In the address prefix notation, ``.'' stands
for the current line and ``$'' stands for
the last line of the buffer.)
If no such notation appears, no
line-number prefix may be used.
.PP
Some commands take trailing
information;
only
the more important instances of this
are mentioned in the summary.
.sp 0.25v
.LP
.B
Open and Visual Modes
.PP
.R
Besides command and text input modes,
.I ex
and
.I edit
provide on some CRT terminals other modes of editing,
.I open
and
.I visual .
In these modes the cursor can
be moved to individual words
or characters in a line.
The commands then given are very different
from the standard editor commands; most do not appear on the screen when
typed.
.I
An Introduction to Display Editing with Vi
.R
provides a full discussion.
.sp 0.25v
.LP
.B
Special Characters
.PP
.R
.fi
Some characters take on special meanings
when used in context searches
and in patterns given to the \fIsubstitute\fP command.
For \fIedit\fR, these are ``^'' and ``$'',
meaning the beginning and end of a line,
respectively.
.I Ex
has the following additional special characters:
.B
.ce 1
\&. & * [ ] ~
.R
To use one of the special characters as its
simple graphic representation
rather than with its special meaning,
precede it by a backslash (\\).
The backslash always has a special meaning.
.1C
.rm LF
.rm RF
.rm CF
.nr FM 0.4
.TS
cp10 cp10 cp10 cp10
ltw(1.0i) lt2w(0.40i)fB ltw(3.0i) ltw(1.8i).
Name Abbr Description Examples
.sp 1.75
(.)\fBappend a T{
Begins text input mode,
adding lines to the buffer after
the line specified. Appending continues
until ``.'' is typed alone at the
beginning of a new line, followed by
a carriage return. \fI0a\fR places
lines at the beginning of the buffer.
T} T{
.nf
\fR:\fBa
Three lines of text
are added to the buffer
after the current line.
\*p
.R
\*c
.fi
T}
.SP
\fR(.,.)\fBchange c T{
Deletes indicated line(s) and
initiates text input mode to
replace them with new text which follows.
New text is terminated the same way
as with \fIappend\fR.
T} T{
.nf
:\fB5,6c
Lines 5 and 6 are
deleted and replaced by
these three lines.
\*p
.R
\*c
.fi
T}
.SP
\fR(.,.)\fBcopy \fIaddr co T{
Places a copy of the specified lines
after the line indicated by \fIaddr\fR.
The example places a copy of lines 8 through
12, inclusive, after line 25.
T} T{
.nf
\fR:\fB8,12co 25
\fRLast line copied is printed
\fR\*c
.fi
T}
.SP
\fR(.,.)\fBdelete d T{
Removes lines from the buffer
and prints the current line after the deletion.
T} T{
.nf
\fR:\fB13,15d
\fRNew current line is printed
\*c
.fi
T}
.TE
.sp 0.5v
.TS
ltw(1.0i) lt2w(0.40i)fB ltw(3.0i) ltw(1.8i).
T{
\fBedit \fIfile\fP
.br
\fBedit! \fIfile\fP
T} T{
e
.br
e!
T} T{
.fi
\fRClears the editor buffer and then
copies into it the named \fIfile\fR,
which becomes the current file.
This is a way of shifting to a different
file
without leaving the editor.
The editor issues a warning
message if this command is used before
saving changes
made to the file already in the buffer;
using the form \fBe!\fR overrides this protective mechanism.
T} T{
.nf
\fR:\fBe ch10\fR
No write since last change
:\fBe! ch10\fR
"ch10" 3 lines, 62 characters
\*c
.fi
T}
.SP
\fBfile \fIname\fR f T{
\fRIf followed by a \fIname\fR, renames
the current file to \fIname\fR.
If used without \fIname\fR, prints
the name of the current file.
T} T{
.nf
\fR:\fBf ch9
\fR"ch9" [Modified] 3 lines ...
:\fBf
\fR"ch9" [Modified] 3 lines ...
\*c
.fi
T}
.SP
(1,$)\fBglobal g \fBglobal/\fIpattern\fB/\fIcommands T{
.nf
:\fBg/nonsense/d
\fR\*c
.fi
T}
\fR(1,$)\fBglobal! g!\fR or \fBv T{
Searches the entire buffer (unless a smaller
range is specified by line-number prefixes) and
executes \fIcommands\fR on every line with
an expression matching \fIpattern\fR.
The second form, abbreviated
either \fBg!\fR or \fBv\fR,
executes \fIcommands\fR on lines that \fIdo
not\fR contain the expression \fIpattern\fR.
T} \^
.SP
\fR(.)\fBinsert i T{
Inserts new lines of text immediately before the specified line.
Differs from
.I append
only in that text is placed before, rather than after, the indicated line.
In other words, \fB1i\fR has the same effect as \fB0a\fR.
T} T{
.nf
:\fB1i
These lines of text will
be added prior to line 1.
\&.
\fR:
.fi
T} \^
.SP
\fR(.,.+1)\fBjoin j T{
Join lines together, adjusting white space (spaces
and tabs) as necessary.
T} T{
.nf
:\fB2,5j\fR
Resulting line is printed
:
.fi
T} \^
.TE
.bp
.TS
cp10 cp10 cp10 cp10
ltw(1.0i) lt2w(0.40i)fB ltw(3.0i) ltw(1.8i).
Name Abbr Description Examples
.sp 1.75
\fR(.,.)\fBlist l T{
\fRPrints lines in a more
unambiguous way than the \fIprint\fR
command does. The end of a line,
for example, is marked with a ``$'',
and tabs printed as ``^I''.
T} T{
.nf
:\fB9l
\fRThis is line 9$
\*c
.fi
T}
.TE
.sp 0.5v
.TS
ltw(1.0i) lt2w(0.40i)fB ltw(3.0i) ltw(1.8i).
\fR(.,.)\fBmove \fIaddr\fB m T{
\fRMoves the specified lines
to a position after the line
indicated by \fIaddr\fR.
T} T{
.nf
\fR:\fB12,15m 25\fR
New current line is printed
\*c
.fi
T}
.SP
\fR(.,.)\fBnumber nu T{
Prints each line preceded
by its buffer line number.
T} T{
.nf
\fR:\fBnu
\0\0\fR10\0 This is line 10
\*c
.fi
T}
.SP
\fR(.)\fBopen o T{
Too involved to discuss here,
but if you enter open mode
accidentally, press
the \s-2ESC\s0 key followed by
\fBq\fR to
get back into normal editor
command mode.
\fIEdit\fP is designed to
prevent accidental use of
the open command.
T}
.SP
\fBpreserve pre T{
Saves a copy of the current buffer contents as though the system had
just crashed. This is for use in an emergency when a
.I write
command has failed and you don't know how else to save your work.\(dg
T} T{
.nf
:\fBpreserve\fR
File preserved.
:
.fi
T}
.SP
\fR(.,.)\fBprint p Prints the text of line(s). T{
.nf
:\fB+2,+3p\fR
The second and third lines
after the current line
:
.fi
T}
.TE
.FS
\(dg Seek assistance from a consultant as soon as possible
after saving a file with the
.I preserve
command, because the file is saved on system storage space for only one week.
.FE
.SP
.nf
.TS
ltw(1.0i) lt2w(0.40i)fB ltw(3.0i) ltw(1.8i).
T{
.nf
\fBquit
quit!
.fi
T} T{
.nf
q
q!
T} T{
.fi
\fREnds the editing session.
You will receive a
warning if you have changed the buffer
since last writing its contents
to the file. In this event you
must either type \fBw\fR to write,
or type \fBq!\fR to exit from
the editor without saving your changes.
T} T{
.nf
\fR:\fBq
\fRNo write since last change
:\fBq!
\fR%
.fi
T}
.SP
\fR(.)\fBread \fIfile\fP r T{
.fi
\fRPlaces a copy of \fIfile\fR in the
buffer after the specified line.
Address 0 is permissible and causes
the copy of \fIfile\fR to be placed
at the beginning of the buffer.
The \fIread\fP command does not
erase any text already in the buffer.
If no line number is specified,
\fIfile\fR is placed after the
current line.
T} T{
.nf
\fR:\fB0r newfile
\fR"newfile" 5 lines, 86 characters
\*c
.fi
T}
.SP
\fBrecover \fIfile\fP rec T{
.fi
Retrieves a copy of the editor buffer
after a system crash, editor crash,
phone line disconnection, or
\fIpreserve\fR command.
T}
.SP
\fR(.,.)\fBsubstitute s T{
.nf
\fBsubstitute/\fIpattern\fB/\fIreplacement\fB/
substitute/\fIpattern\fB/\fIreplacement\fB/gc
.fi
\fRReplaces the first occurrence of \fIpattern\fR
on a line
with \fIreplacement\fP.
Including a \fBg\fR after the command
changes all occurrences of \fIpattern\fP
on the line.
The \fBc\fR option allows the user to
confirm each substitution before it is
made; see the manual for details.
T} T{
.nf
:\fB3p
\fRLine 3 contains a misstake
:\fBs/misstake/mistake/
\fRLine 3 contains a mistake
\*c
.fi
T}
.TE
.bp
.TS
cp10 cp10 cp10 cp10
ltw(1.0i) lt2w(0.40i)fB ltw(3.0i) ltw(1.8i).
Name Abbr Description Examples
.sp 1.75
\fBundo u T{
.fi
\fRReverses the changes made in
the buffer by the last buffer-editing
command.
Note that this example contains
a notification about the number of
lines affected.
T} T{
.nf
\fR:\fB1,15d
\fR15 lines deleted
new line number 1 is printed
:\fBu
\fR15 more lines in file ...
old line number 1 is printed
\*c
.fi
T}
.SP
\fR(1,$)\fBwrite \fIfile\fR w T{
.fi
\fRCopies data from the buffer onto
a permanent file. If no \fIfile\fR
is named, the current filename
is used.
The file is automatically created
if it does not yet exist.
A response containing the number of
lines and characters in the file
indicates that the write
has been completed successfully.
The editor's built-in protections
against overwriting existing files
will in some circumstances
inhibit a write.
The form \fBw!\fR forces the
write, confirming that
an existing file is to be overwritten.
T} T{
.nf
\fR:\fBw
\fR"file7" 64 lines, 1122 characters
:\fBw file8
\fR"file8" File exists ...
:\fBw! file8
\fR"file8" 64 lines, 1122 characters
\*c
.fi
T}
\fR(1,$)\fBwrite! \fIfile\fP w! \^ \^
.TE
.sp 0.5v
.TS
ltw(1.0i) lt2w(0.40i)fB ltw(3.0i) ltw(1.8i).
\fR(.)\fBz \fIcount\fP z T{
.fi
\fRPrints a screen full of text starting
with the line indicated;
or, if \fIcount\fR is specified,
prints that number of lines.
Variants of the \fIz\fR command
are described in the manual.
T}
.SP
\fB!\fIcommand T{
.fi
Executes the remainder of the line
after \fB!\fR as a \*U command.
The buffer is unchanged by this, and
control is returned to the editor when
the execution of \fIcommand\fR is complete.
T} T{
.nf
\fR:\fB!date
\fRFri Jun 9 12:15:11 PDT 1978
!
\*c
.fi
T}
.SP
\fRcontrol-d T{
.fi
Prints the next \fIscroll\fR of text,
normally half of a screen. See the
manual for details of the \fIscroll\fR
option.
T}
.SP
\fR(.+1)<cr> T{
.fi
An address alone followed by a carriage
return causes the line to be printed.
A carriage return by itself prints the
line following the current line.
T} T{
.nf
:\fR<cr>
the line after the current line
\*c
.fi
T}
.TE
.sp 0.5v
.TS
ltw(1.0i) lt2w(0.40i)fB ltw(3.0i) ltw(1.8i).
\fB/\fIpattern\fB/ T{
.fi
\fRSearches for the next line in which
\fIpattern\fR occurs and prints it.
T} T{
.nf
\fR:\fB/This pattern/
\fRThis pattern next occurs here.
\*c
.fi
T}
.SP
\fB// T{
Repeats the most recent search.
T} T{
.nf
\fR:\fB//
\fRThis pattern also occurs here.
\*c
.fi
T}
.SP
\fB?\fIpattern\fB? T{
Searches in the reverse direction
for \fIpattern\fP.
T}
.SP
\fB?? T{
Repeats the most recent search,
moving in the reverse direction
through the buffer.
T}
.TE

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usr.bin/vi/USD.doc/vi.man/Makefile
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# @(#)Makefile 8.5 (Berkeley) 7/16/94
SRCS= vi.1
DOCS= vi.0 vi.0.ps
all: ${DOCS}
vi.0: vi.1
groff -man -Tascii < vi.1 > $@
vi.0.ps: vi.1
groff -man < vi.1 > $@
clean:
rm -f ${DOCS}

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usr.bin/vi/USD.doc/vi.man/vi.1
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usr.bin/vi/USD.doc/vi.ref/Makefile
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# @(#)Makefile 8.16 (Berkeley) 8/15/94
DIR= usd/13.viref
SRCS= vi.ref ex.cmd.roff set.opt.roff vi.cmd.roff ref.so
EXTRA= merge.awk spell.ok
MACROS= -me
CLEANFILES+=vi.ref.txt index index.so
paper.ps: vi.ref index.so
soelim vi.ref | ${TBL} | ${ROFF} > ${.TARGET}
vi.ref.txt: vi.ref index.so
soelim vi.ref | ${TBL} | groff ${MACROS} -Tascii > $@
index.so: vi.ref
# Build index.so, side-effect of building the paper.
soelim vi.ref | ${TBL} | ${ROFF} > /dev/null
sed -e 's/MINUSSIGN/\\-/' \
-e 's/DOUBLEQUOTE/""/' \
-e "s/SQUOTE/'/" \
-e 's/ /__SPACE/g' < index | \
sort -u '-t ' +0 -1 +1n | awk -f merge.awk | \
sed -e 's/__SPACE/ /g' > index.so
rm -f index
.include <bsd.doc.mk>

1776
usr.bin/vi/USD.doc/vi.ref/ex.cmd.roff
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16
usr.bin/vi/USD.doc/vi.ref/merge.awk
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@ -1,16 +0,0 @@
# @(#)merge.awk 8.3 (Berkeley) 5/26/94
#
# merge index entries into one line per label
$1 == prev {
printf ", %s", $2;
next;
}
{
if (NR != 1)
printf "\n";
printf "%s \t%s", $1, $2;
prev = $1;
}
END {
printf "\n"
}

127
usr.bin/vi/USD.doc/vi.ref/ref.so
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@ -1,127 +0,0 @@
.\" Copyright (c) 1994
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)ref.so 8.6 (Berkeley) 7/15/94
.\"
.\"
.\" indented paragraph, with spaces between the items, bold font
.de IP
.\".tm arg 1 \\$1 arg 2 \\$2 arg 3 \\$3
.sp 1
.nr PS \\n(ps
.nr ps 0
.ip "\fB\\$1\fP" \\$2
.nr ps \\n(PS
.br
..
.\" indented paragraph, no spaces between the items, bold font
.de Ip
.\".tm arg 1 \\$1 arg 2 \\$2 arg 3 \\$3
.nr PS \\n(ps
.nr ps 0
.ns
.ip "\fB\\$1\fP" \\$2
.nr ps \\n(PS
.br
..
.\" start nested .IP
.de SS
.sp
.ba +5n
..
.\" end nested .IP
.de SE
.ba -5n
..
.\" nested .IP, no spaces, normal font
.de SP
.\".tm arg 1 \\$1 arg 2 \\$2 arg 3 \\$3
.nr PS \\n(ps
.nr ps 0
.ns
.ip "\\$1" 9n
.nr ps \\n(PS
..
.\" typewriter font
.de LI
\&\fC\\$1\fP\\$2
..
.\" ex/vi names in command font
.de EV
\&\fB\\$1\fP/\fB\\$2\fP\\$3
..
.\" command names
.de CO
\&\fB\\$1\fP\\$2
..
.\" key words for index
.de KY
.sy echo >>index '\\$1 \\n%'
..
.\" option names
.de OP
\&\fB\\$1\fP\\$2
..
.\" paren quoted (typewriter font)
.de PQ
(\*(lq\fC\\$1\fP\*(rq)\\$2
..
.\" quoted bold
.de QB
\*(lq\fB\\$1\fP\*(rq\\$2
..
.\" quoted command
.de QC
\*(lq\fB\\$1\fP\*(rq\\$2
..
.\" quoted option
.de QO
\*(lq\fB\\$1\fP\*(rq\\$2
..
.\" quoted (no font change)
.de QQ
\*(lq\\$1\*(rq\\$2
..
.\" quoted (typewriter font)
.de QT
\*(lq\fC\\$1\fP\*(rq\\$2
..
.\" section macro to build TOC
.de SH
.(x
\\$2
.)x
.sh \\$1 "\\$2"
..
.\" manual section
.de XR
\&\fI\\$1\fP(\\$2)\\$3
..

949
usr.bin/vi/USD.doc/vi.ref/set.opt.roff
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@ -1,949 +0,0 @@
.\" Copyright (c) 1994
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)set.opt.roff 8.26 (Berkeley) 8/11/94
.\"
.SH 1 "Set Options"
.pp
There are a large number of options that may be set (or unset) to
change the editor's behavior.
This section describes the options, their abbreviations and their
default values.
.pp
In each entry below, the first part of the tag line is the full name
of the option, followed by any equivalent abbreviations.
(Regardless of the abbreviations, it is only necessary to use the
minimum number of characters necessary to distinguish an abbreviation
from all other commands for it to be accepted, in
.EV nex nvi .
Historically, only the full name and the official abbreviations
were accepted by
.EV ex vi .
Using full names in your startup files and environmental variables will
probably make them more portable.)
The part in square brackets is the default value of the option.
Most of the options are boolean, i.e. they are either on or off,
and do not have an associated value.
.pp
Options apply to both
.CO ex
and
.CO vi
modes, unless otherwise specified.
.pp
For information on modifying the options or to display the options and
their current values, see the
.QQ set
command in the section entitled
.QB "Ex Commands" .
.KY altwerase
.IP "altwerase [off]"
.CO Vi
only.
Change how
.CO vi
does word erase during text input.
When this option is set, text is broken up into three classes:
alphabetic, numeric and underscore characters, other nonblank
characters, and blank characters.
Changing from one class to another marks the end of a word.
In addition, the class of the first character erased is ignored
(which is exactly what you want when erasing pathname components).
.KY autoindent
.IP "autoindent, ai [off]"
If this option is set, whenever you create a new line (using the
.CO vi
.CO A ,
.CO a ,
.CO C ,
.CO c ,
.CO I ,
.CO i ,
.CO O ,
.CO o ,
.CO R ,
.CO r ,
.CO S ,
and
.CO s
commands, or the
.CO ex
.CO append ,
.CO change ,
and
.CO insert
commands) the new line is automatically indented to align the cursor with
the first nonblank character of the line from which you created it.
Lines are indented using tab characters to the extent possible (based on
the value of the
.OP tabstop
option) and then using space characters as necessary.
For commands inserting text into the middle of a line, any blank characters
to the right of the cursor are discarded, and the first nonblank character
to the right of the cursor is aligned as described above.
.sp
The indent characters are themselves somewhat special.
If you do not enter more characters on the new line before moving to
another line, or entering
.LI <escape> ,
the indent character will be deleted and the line will be empty.
For example, if you enter
.LI <carriage-return>
twice in succession,
the line created by the first
.LI <carriage-return>
will not have any characters in it,
regardless of the indentation of the previous or subsequent line.
.sp
Indent characters also require that you enter additional erase characters
to delete them.
For example,
if you have an indented line, containing only blanks, the first
.LI <word-erase>
character you enter will erase up to end of the indent characters,
and the second will erase back to the beginning of the line.
(Historically, only the
.CO <control-D>
key would erase the indent characters.
Both the
.CO <control-D>
key and the usual erase keys work in
.CO nvi .)
In addition, if the cursor is positioned at the end of the indent
characters, the keys
.QT 0<control-D>
will erase all of the indent characters for the current line,
resetting the indentation level to 0.
Similarly, the keys
.QT ^<control-D>
will erase all of the indent characters for the current line,
leaving the indentation level for future created lines unaffected.
.sp
Finally, if the
.OP autoindent
option is set, the
.CO S
and
.CO cc
commands change from the first nonblank of the line to the end of the
line, instead of from the beginning of the line to the end of the line.
.KY autoprint
.IP "autoprint, ap [off]"
.CO Ex
only.
Cause the current line to be automatically displayed after the
.CO ex
commands
.CO < ,
.CO > ,
.CO copy ,
.CO delete ,
.CO join ,
.CO move ,
.CO put ,
.CO t ,
.CO Undo ,
and
.CO undo .
This automatic display is suppressed during
.CO global
and
.CO vglobal
commands, and for any command where optional flags are used to explicitly
display the line.
.KY autowrite
.IP "autowrite, aw [off]"
If this option is set, the
.CO vi
.CO ! ,
.CO ^^ ,
.CO ^]
and
.CO <control-Z>
commands, and the
.CO ex
.CO edit ,
.CO next ,
.CO rewind ,
.CO stop ,
.CO suspend ,
.CO tag ,
.CO tagpop ,
and
.CO tagtop
commands automatically write the current file back to the current file name
if it has been modified since it was last written.
If the write fails, the command fails and goes no further.
.sp
Appending the optional force flag character
.QT !
to the
.CO ex
commands
.CO next ,
.CO rewind ,
.CO stop ,
.CO suspend ,
.CO tag ,
.CO tagpop ,
and
.CO tagtop
stops the automatic write from being attempted.
.sp
(Historically, the
.CO next
command ignored the optional force flag.)
Note, the
.CO ex
commands
.CO edit ,
.CO quit ,
.CO shell ,
and
.CO xit
are
.i not
affected by the
.OP autowrite
option.
.KY beautify
.IP "beautify, bf [off]"
If this option is set, all control characters that are not currently being
specially interpreted, other than
.LI <tab> ,
.LI <newline> ,
and
.LI <form-feed> ,
are
discarded from commands read in by
.CO ex
from command files, and from input text entered to
.CO vi
(either into the file or to the colon command line).
Text files read by
.EV ex vi
are
.i not
affected by the
.OP beautify
option.
.KY cdpath
.IP "cdpath [environment variable CDPATH, or current directory]"
This option is used to specify a colon separated list of directories
which are used as path prefixes for any relative path names used as
arguments for the
.CO cd
command.
The value of this option defaults to the value of the environmental
variable
.LI CDPATH
if it is set, otherwise to the current directory.
For compatibility with the POSIX 1003.2 shell, the
.CO cd
command does
.i not
check the current directory as a path prefix for relative path names
unless it is explicitly specified.
It may be so specified by entering an empty string or a
.QT \&.
character into the
.LI CDPATH
variable or the option value.
.KY columns
.IP "columns, co [80]"
The number of columns in the screen.
Setting this option causes
.EV ex vi
to set (or reset) the environmental variable
.LI COLUMNS .
See the section entitled
.QB "Sizing the Screen"
more information.
.KY comment
.IP "comment [off]"
.CO Vi
only.
If the first non-empty line of the file begins with the string
.QT /\&* ,
this option causes
.CO vi
to skip to the end of that C-language comment (probably a terribly boring
legal notice) before displaying the file.
.KY directory
.IP "directory, dir [environment variable TMPDIR, or /tmp]"
The directory where temporary files are created.
The environmental variable
.LI TMPDIR
is used as the default value if it exists, otherwise
.LI /tmp
is used.
.KY edcompatible
.IP "edcompatible, ed [off]"
Remember the values of the
.QQ c
and
.QQ g
suffices to the
.CO substitute
commands, instead of initializing them as unset for each new
command.
Specifying pattern and replacement strings to the
.CO substitute
command unsets the
.QQ c
and
.QQ g
suffices as well.
.KY errorbells
.IP "errorbells, eb [off]"
.CO Ex
only.
.CO Ex
error messages are normally presented in inverse video.
If that is not possible for the terminal, setting this option causes
error messages to be announced by ringing the terminal bell.
.KY exrc
.IP "exrc, ex [off]"
If this option is turned off in the system or $HOME startup files,
the local startup files are never read (unless they are the same
as the system or $HOME startup files).
Turning it on has no effect, i.e. the normal checks for local startup
files are performed, regardless.
See the section entitled
.QB "Startup Information"
for more information.
.KY extended
.IP "extended [off]"
This option causes all regular expressions to be treated as POSIX
1003.2 Extended Regular Expressions (which are similar to historic
.XR egrep 1
style expressions).
.KY flash
.IP "flash [on]"
This option causes the screen to flash instead of beeping the keyboard,
on error, if the terminal has the capability.
.KY hardtabs
.IP "hardtabs, ht [8]"
This option defines the spacing between hardware tab settings, i.e.
the tab expansion done by the operating system and/or the terminal
itself.
As
.EV nex nvi
never writes
.LI <tab>
characters to the terminal, unlike historic versions of
.EV ex vi ,
this option does not currently have any affect.
.KY ignorecase
.IP "ignorecase, ic [off]"
This option causes regular expressions, both in
.CO ex
commands and in searches,
to be evaluated in a case-insensitive manner.
.KY keytime
.IP "keytime [6]"
The 10th's of a second
.EV ex vi
waits for a subsequent key to complete a key mapping.
.KY leftright
.IP "leftright [off]"
.CO Vi
only.
This option causes the screen to be scrolled left-right to view
lines longer than the screen, instead of the traditional
.CO vi
screen interface which folds long lines at the right-hand margin
of the terminal.
.KY lines
.IP "lines, li [24]"
.CO Vi
only.
The number of lines in the screen.
Setting this option causes
.EV ex vi
to set (or reset) the environmental variable
.LI LINES .
See the section entitled
.QB "Sizing the Screen"
for more information.
.KY lisp
.IP "lisp [off]"
.CO Vi
only.
This option changes the behavior of the
.CO vi
.CO ( ,
.CO ) ,
.CO { ,
.CO } ,
.CO [[
and
.CO ]]
commands to match the Lisp language.
Also, the
.OP autoindent
option's behavior is changed to be appropriate for Lisp.
.sp
.i "This option is not yet implemented."
.KY list
.IP "list [off]"
This option causes lines to be displayed in an unambiguous fashion.
Specifically, tabs are displayed as control characters, i.e.
.QT ^I ,
and the ends of lines are marked with a
.QT $
character.
.KY magic
.IP "magic [on]"
This option is on by default.
Turning the
.OP magic
option off causes all regular expression characters except for
.QT ^
and
.QT $ ,
to be treated as ordinary characters.
To re-enable characters individually, when the
.OP magic
option is off,
precede them with a backslash
.QT \e
character.
See the section entitled
.QB "Regular Expressions and Replacement Strings"
for more information.
.KY matchtime
.IP "matchtime [7]"
.CO Vi
only.
The 10th's of a second
.EV ex vi
pauses on the matching character when the
.OP showmatch
option is set.
.KY mesg
.IP "mesg [on]"
This option allows other users to contact you using the
.XR talk 1
and
.XR write 1
utilities, while you are editing.
.EV Ex vi
does not turn message on, i.e. if messages were turned off when the
editor was invoked, they will stay turned off.
This option only permits you to disallow messages for the edit session.
See the
.XR mesg 1
utility for more information.
.KY modelines
.IP "modelines, modeline [off]"
If the
.OP modelines
option is set,
.EV ex vi
has historically scanned the first and last five lines of each file as
it is read for editing, looking for any
.CO ex
commands that have been placed in those lines.
After the startup information has been processed, and before the user
starts editing the file, any commands embedded in the file are executed.
.sp
Commands were recognized by the letters
.QQ e
or
.QQ v
followed by
.QQ x
or
.QQ i ,
at the beginning of a line or following a tab or space character,
and followed by a
.QQ : ,
an
.CO ex
command, and another
.QQ : .
.sp
This option is a security problem of immense proportions,
and should not be used under any circumstances.
.sp
.i "This option will never be implemented."
.KY number
.IP "number, nu [off]"
Precede each line displayed with its current line number.
.KY octal
.IP "octal [off]"
Display unknown characters as octal numbers, instead of the default
hexadecimal.
.KY open
.IP "open [on]"
.CO Ex
only.
If this option is not set, the
.CO open
and
.CO visual
commands are disallowed.
.KY optimize
.IP "optimize, opt [on]"
.CO Vi
only.
Throughput of text is expedited by setting the terminal not to do automatic
carriage returns when printing more than one (logical) line of output,
greatly speeding output on terminals without addressable cursors when text
with leading white space is printed.
.sp
.i "This option is not yet implemented."
.KY paragraphs
.IP "paragraphs, para [IPLPPPQPP LIpplpipbp]"
.CO Vi
only.
Define additional paragraph boundaries for the
.CO {
and
.CO }
commands.
The value of this option must be a character string consisting
of zero or more character pairs.
.sp
In the text to be edited, the character string
.LI "<newline>.<char-pair>" ,
(where
.LI <char-pair>
is one of the character pairs in the option's value)
defines a paragraph boundary.
For example, if the option were set to
.LI "LaA<space>##" ,
then all of the following additional paragraph boundaries would be
recognized:
.sp
.(l
<newline>.La
<newline>.A<space>
<newline>.##
.)l
.KY prompt
.IP "prompt [on]"
.CO Ex
only.
This option causes
.CO ex
to prompt for command input with a
.QT :
character; when it is not set, no prompt is displayed.
.KY readonly
.IP "readonly, ro [off]"
This option causes a force flag to be required to attempt to write
the file back to the original file name.
Setting this option is equivalent to using the
.b \-R
command line option, or editing a file which lacks write permission.
.KY recdir
.IP "recdir [/var/tmp/vi.recover]"
The directory where recovery files are stored.
.sp
If you change the value of
.CO recdir ,
be careful to choose a directory whose contents are not regularly
deleted.
Bad choices include directories in memory based filesystems,
or
.LI /tmp ,
on most systems,
as their contents are removed when the machine is rebooted.
.sp
Public directories like
.LI /usr/tmp
and
.LI /var/tmp
are usually safe, although some sites periodically prune old files
from them.
There is no requirement that you use a public directory,
e.g. a sub-directory of your home directory will work fine.
.sp
Finally, if you change the value of
.CO recdir ,
you must modify the recovery script to operate in your chosen recovery
area.
.sp
See the section entitled
.QB "Recovery"
for further information.
.KY redraw
.IP "redraw, re [off]"
.CO Vi
only.
The editor simulates (using great amounts of output), an intelligent
terminal on a dumb terminal (e.g. during insertions in
.CO vi
the characters to the right of the cursor are refreshed as each input
character is typed).
.sp
.i "This option is not yet implemented."
.KY remap
.IP "remap [on]"
If this option is set,
it is possible to define macros in terms of other macros.
Otherwise, each key is only remapped up to one time.
For example, if
.QT A
is mapped to
.QT B ,
and
.QT B
is mapped to
.QT C ,
The keystroke
.QT A
will be mapped to
.QT C
if the
.OP remap
option is set, and to
.QT B
if it is not set.
.KY report
.IP "report [5]"
Set the threshold of the number of lines that need to be changed or
yanked before a message will be displayed to the user.
For everything but the yank command, the value is the largest value
about which the editor is silent, i.e. by default, 6 lines must be
deleted before the user is notified.
However, if the number of lines yanked is greater than
.i "or equal to"
the set value, it is reported to the user.
.KY ruler
.IP "ruler [off]"
.CO Vi
only.
Display a row/column ruler on the colon command line.
.KY scroll
.IP "scroll, scr [window / 2]"
Set the number of lines scrolled by the
.CO vi
.CO <control-D>
and
.CO <control-U>
commands.
.sp
Historically, the
.CO ex
.CO z
command, when specified without a count, used two times the size of the
scroll value; the POSIX 1003.2 standard specified the window size, which
is a better choice.
.KY sections
.IP "sections, sect [NHSHH HUnhsh]"
.CO Vi
only.
Define additional section boundaries for the
.CO [[
and
.CO ]]
commands.
The
.OP sections
option should be set to a character string consisting of zero or
more character pairs.
In the text to be edited, the character string
.LI "<newline>.<char-pair>" ,
(where
.LI <char-pair>
is one of the character pairs in the option's value),
defines a section boundary in the same manner that
.OP paragraph
option boundaries are defined.
.KY shell
.IP "shell, sh [environment variable SHELL, or /bin/sh]"
Select the shell used by the editor.
The specified path is the pathname of the shell invoked by the
.CO vi
.CO !
shell escape command and by the
.CO ex
.CO shell
command.
This program is also used to resolve any shell meta-characters in
.CO ex
commands.
.KY shiftwidth
.IP "shiftwidth, sw [8]"
Set the autoindent and shift command indentation width.
This width is used by the
.OP autoindent
option and by the
.CO < ,
.CO > ,
and
.CO shift
commands.
.KY showdirty
.IP "showdirty [off]"
.CO Vi
only.
Display an asterisk on the colon command line if the file has been modified.
.KY showmatch
.IP "showmatch, sm [off]"
.CO Vi
only.
This option causes
.CO vi ,
when a
.QT }
or
.QT )
is entered, to briefly move the cursor the matching
.QT {
or
.QT ( .
See the
.OP matchtime
option for more information.
.KY showmode
.IP "showmode [off]"
.CO Vi
only.
This option causes
.CO vi
to display a string identifying the current editor mode on the
colon command line.
.KY sidescroll
.IP "sidescroll [16]"
.CO Vi
only.
Sets the number of columns that are shifted to the left or right,
when
.CO vi
is doing left-right scrolling and the left or right margin is
crossed.
See the
.OP leftright
option for more information.
.KY slowopen
.IP "slowopen, slow [off]"
This option affects the display algorithm used by
.CO vi ,
holding off display updating during input of new text to improve
throughput when the terminal in use is slow and unintelligent.
.sp
.i "This option is not yet implemented."
.KY sourceany
.IP "sourceany [off]"
If this option is turned on,
.CO vi
historically read startup files that were owned by someone other than
the editor user.
See the section entitled
.QB "Startup Information"
for more information.
This option is a security problem of immense proportions,
and should not be used under any circumstances.
.sp
.i "This option will never be implemented."
.KY tabstop
.IP "tabstop, ts [8]"
This option sets tab widths for the editor display.
.KY taglength
.IP "taglength, tl [0]"
This option sets the maximum number of characters that are considered
significant in a tag name.
Setting the value to 0 makes all of the characters in the tag name
significant.
.KY tags
.IP "tags, tag [tags /var/db/libc.tags /sys/kern/tags]"
Sets the list of tags files, in search order,
which are used when the editor searches for a tag.
.KY term
.IP "term, ttytype, tty [environment variable TERM]"
Set the terminal type.
Setting this option causes
.EV ex vi
to set (or reset) the environmental variable
.LI TERM .
.KY terse
.IP "terse [off]"
This option has historically made editor messages less verbose.
It has no effect in this implementation.
See the
.OP verbose
option for more information.
.KY tildeop
.IP "tildeop"
Modify the
.CO ~
command to take an associated motion.
.KY timeout
.IP "timeout, to [on]"
If this option is set,
.EV ex vi
waits for a specific period for a subsequent key to complete a key
mapping (see the
.OP keytime
option).
If the option is not set, the editor waits until enough keys are
entered to resolve the ambiguity, regardless of how long it takes.
.KY ttywerase
.IP "ttywerase [off]"
.CO Vi
only.
This option changes how
.CO vi
does word erase during text input.
If this option is set, text is broken up into two classes,
blank characters and nonblank characters.
Changing from one class to another marks the end of a word.
.KY verbose
.IP "verbose [off]"
.CO Vi
only.
.CO Vi
historically bells the terminal for many obvious mistakes, e.g. trying
to move past the left-hand margin, or past the end of the file.
If this option is set, an error message is displayed for all errors.
.KY w300
.IP "w300 [no default]"
.CO Vi
only.
Set the window size if the baud rate is less than 1200 baud.
See the
.OP window
option for more information.
.KY w1200
.IP "w1200 [no default]"
.CO Vi
only.
Set the window size if the baud rate is equal to 1200 baud.
See the
.OP window
option for more information.
.KY w9600
.IP "w9600 [no default]"
.CO Vi
only.
Set the window size if the baud rate is greater than 1200 baud.
See the
.OP window
option for more information.
.KY warn
.IP "warn [on]"
.CO Ex
only.
This option causes a warning message to the terminal if the file has
been modified, since it was last written, before a
.CO !
command.
.KY window
.IP "window, w, wi [environment variable LINES]"
This option determines the default number of lines in a screenful,
as written by the
.CO z
command.
It also determines the number of lines scrolled by the
.CO vi
commands
.CO <control-F>
and
.CO <control-B> .
The value of window can be unrelated to the real screen size,
although it starts out as the number of lines on the screen (see
the section entitled
.QB "Sizing the Screen"
for more information).
Setting the value of the
.OP window
option is the same as using the
.b \-w
command line option.
.sp
If the value of the
.OP window
option (as set by the
.OP window ,
.OP w300 ,
.OP w1200
or
.OP w9600
options) is smaller than the actual size of the screen, large screen
movements will result in displaying only that smaller number of lines
on the screen.
(Further movements in that same area will result in the screen being
filled.)
This can provide a performance improvement when viewing different
places in one or more files over a slow link.
.KY wrapmargin
.IP "wrapmargin, wm [0]"
.CO Vi
only.
If the value of the
.OP wrapmargin
option is non-zero,
.CO vi
will split lines so that they end at least that number of characters
before the right-hand margin of the screen.
(Note, the value of
.OP wrapmargin
is
.i not
a text length.
In a screen that is 80 columns wide, the command
.QT ":set wrapmargin=8"
attempts to keep the lines less than or equal to 72 columns wide.)
.sp
Lines are split at the previous whitespace character closest to the
number.
Any trailing whitespace characters before that character are deleted.
If the line is split because of an inserted
.LI <space>
or
.LI <tab>
character, and you then enter another
.LI <space>
character, it is discarded.
.sp
If wrapmargin is set to 0,
or if there is no blank character upon which to split the line,
the line is not broken.
.KY wrapscan
.IP "wrapscan, ws [on]"
This option causes searches to wrap around the end or the beginning
of the file, and back to the starting point.
Otherwise, the end or beginning of the file terminates the search.
.KY writeany
.IP "writeany, wa [off]"
If this option is set, file-overwriting checks that would usually be
made before the
.CO write
and
.CO xit
commands, or before an automatic write (see the
.OP autowrite
option), are not made.
This allows a write to any file, provided the file permissions allow it.

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Amir
Autoprint
BRE's
Bostic
Bourne
DOUBLEQUOTE
Dq
Ds
ERE's
EXINIT
Englar
Ev
FF
Fa
Fl
HUnhsh
IPLPPPQPP
Kirkendall
Korn
LIpplpipbp
LaA
Li
Lowercase
MINUSSIGN
Makefiles
NEX
NEXINIT
NHSHH
NVI
Nex
Nvi
OS
POSIX
PostScript
RE's
README
RECDIR
Reference''USD:13
SIGHUP
SIGWINCH
SQUOTE
Se
Std
Std1003.2
Sy
TANDARDS
TIOCGWINSZ
TMPDIR
Todo
USD.doc
USD:13
UUNET
Vx
Whitespace
XOFF
XON
XOptions
XXCOLUMNS
XXXX
XXXXXX
XXb
ZZ
ab
abbrev
ags
ai
al
altwerase
arg
args
autoindent
autoprint
autowrite
aw
bbrev
bf
bigword
bigwords
bostic
brev
bugs.current
c2w
carat
cdy
changelog
chd
cmd
count1
count2
creens
cs.berkeley.edu
db
dbopen
def
di
dir
dit
docs
eFlRsv
eFlRv
ead
eb
edcompatible
elete
elvis
email
enum
eof
errorbells
esc
ex.cmd.roff
exrc
ext
exu
exusage
fi
filesystem
filesystems
ftp.cs.berkeley.edu
ftp.uu.net
gdb
gdb.script
gs
gzip'd
halfbyte
hange
hangup
hardtabs
ht
ic
ifdef
ignorecase
ile
ind
ious
ir
ist
ize
keystroke
keystrokes
keytime
leftright
lhs
li
lib
libc.tags
lobal
lowercase
lp
matchtime
mber
meta
mk
mkexrc
modeful
modeline
modelines
ndo
nex
nexrc
nk
nomagic
nooption
nsert
nul
nvi
nvi.tar.Z
nvi.tar.z
nz
oin
op
ove
para
pathname
pathnames
ppend
pu
py
rc.local
readonly
rec
recdir
recfile
recover.XXXX
recover.XXXXXX
recover.c
recover.script
remapmax
res
rew
rhs
ript
rk
ro
roff
rsion
sc
scr
screeen
se
set.opt.roff
shiftwidth
showmatch
showmode
sidescroll
slowopen
sm
sourceany
sp
spell.ok
st
sual
svi
sw
ta
tabstop
taglength
tagp
tagpop
tagstring
tagt
tagtop
terminfo
th
tildeop
tl
tmp
ts
ttytype
ttywerase
uR
ubstitute
ucb
uffers
uit
una
unabbrev
unm
uppercase
urce
uunet
var
ve
vglobal
vi.0.ps
vi.0.txt
vi.1
vi.XXXX
vi.XXXXXX
vi.cmd.roff
vi.exrc
vi.recover
vibackup
virecovery
viu
viusage
wa
whitespace
wi
wm
wn
wq
wrapmargin
wrapscan
writeany
ws
xaw
xit
ya
yy

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# @(#)Makefile 8.1 (Berkeley) 8/14/93
DIR= usd/12.vi
SRCS= vi.in vi.chars
EXTRA= vi.apwh.ms vi.summary
MACROS= -msU
CLEANFILES+=summary.* viapwh.*
paper.ps: ${SRCS} summary.ps viapwh.ps
${TBL} ${SRCS} | ${ROFF} > ${.TARGET}
summary.ps: vi.summary
${TBL} vi.summary | ${ROFF} > ${.TARGET}
viapwh.ps: vi.apwh.ms
${ROFF} vi.apwh.ms > ${.TARGET}
.include <bsd.doc.mk>

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.\" Copyright (c) 1980, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)vi.chars 8.1 (Berkeley) 6/8/93
.\"
.bd S 3
..pn 21
.de iP
.IP "\fB\\$1\fR" \\$2
..
.SH
Appendix: character functions
.PP
This appendix gives the uses the editor makes of each character. The
characters are presented in their order in the \s-2ASCII\s0 character
set: Control characters come first, then most special characters, then
the digits, upper and then lower case characters.
.PP
For each character we tell a meaning it has as a command and any meaning it
has during an insert.
If it has only meaning as a command, then only this is discussed.
Section numbers in parentheses indicate where the character is discussed;
a `f' after the section number means that the character is mentioned
in a footnote.
.iP "^@" 15
Not a command character.
If typed as the first character of an insertion it is replaced with the
last text inserted, and the insert terminates. Only 128 characters are
saved from the last insert; if more characters were inserted the mechanism
is not available.
A \fB^@\fR cannot be part of the file due to the editor implementation
(7.5f).
.iP "^A" 15
Unused.
.iP "^B" 15
Backward window.
A count specifies repetition.
Two lines of continuity are kept if possible (2.1, 6.1, 7.2).
.iP "^C" 15
Unused.
.iP "^D" 15
As a command, scrolls down a half-window of text.
A count gives the number of (logical) lines to scroll, and is remembered
for future \fB^D\fR and \fB^U\fR commands (2.1, 7.2).
During an insert, backtabs over \fIautoindent\fR white space at the beginning
of a line (6.6, 7.5); this white space cannot be backspaced over.
.iP "^E" 15
Exposes one more line below the current screen in the file, leaving
the cursor where it is if possible.
(Version 3 only.)
.iP "^F" 15
Forward window. A count specifies repetition.
Two lines of continuity are kept if possible (2.1, 6.1, 7.2).
.iP "^G" 15
Equivalent to \fB:f\fR\s-2CR\s0, printing the current file, whether
it has been modified, the current line number and the number of lines
in the file, and the percentage of the way through the file that you
are.
.iP "^H (\fR\s-2BS\s0\fP)" 15
Same as
.B "left arrow" .
(See
.B h ).
During an insert, eliminates the last input character, backing over it
but not erasing it; it remains so you can see what you typed if you
wish to type something only slightly different (3.1, 7.5).
.iP "^I\ (\fR\s-2TAB\s0\fP)" 15
Not a command character.
When inserted it prints as some
number of spaces.
When the cursor is at a tab character it rests at the last of the spaces
which represent the tab.
The spacing of tabstops is controlled by the \fItabstop\fR option (4.1, 6.6).
.iP "^J\ (\fR\s-2LF\s0\fP)" 15
Same as
.B "down arrow"
(see
.B j ).
.iP "^K" 15
Unused.
.iP "^L" 15
The \s-2ASCII\s0 formfeed character, this causes the screen to be cleared
and redrawn. This is useful after a transmission error, if characters
typed by a program other than the editor scramble the screen,
or after output is stopped by an interrupt (5.4, 7.2f).
.iP "^M\ (\fR\s-2CR\s0\fP)" 15
A carriage return advances to the next line, at the first non-white position
in the line. Given a count, it advances that many lines (2.3).
During an insert, a \s-2CR\s0 causes the insert to continue onto
another line (3.1).
.iP "^N" 15
Same as
.B "down arrow"
(see
.B j ).
.iP "^O" 15
Unused.
.iP "^P" 15
Same as
.B "up arrow"
(see
.B k ).
.iP "^Q" 15
Not a command character.
In input mode,
.B ^Q
quotes the next character, the same as
.B ^V ,
except that some teletype drivers will eat the
.B ^Q
so that the editor never sees it.
.iP "^R" 15
Redraws the current screen, eliminating logical lines not corresponding
to physical lines (lines with only a single @ character on them).
On hardcopy terminals in \fIopen\fR mode, retypes the current line
(5.4, 7.2, 7.8).
.iP "^S" 15
Unused. Some teletype drivers use
.B ^S
to suspend output until
.B ^Q is pressed.
.iP "^T" 15
Not a command character.
During an insert, with \fIautoindent\fR set and at the beginning of the
line, inserts \fIshiftwidth\fR white space.
.iP "^U" 15
Scrolls the screen up, inverting \fB^D\fR which scrolls down. Counts work as
they do for \fB^D\fR, and the previous scroll amount is common to both.
On a dumb terminal, \fB^U\fR will often necessitate clearing and redrawing
the screen further back in the file (2.1, 7.2).
.iP "^V" 15
Not a command character.
In input mode, quotes the next character so that it is possible
to insert non-printing and special characters into the file (4.2, 7.5).
.iP "^W" 15
Not a command character.
During an insert, backs up as \fBb\fR would in command mode; the deleted
characters remain on the display (see \fB^H\fR) (7.5).
.iP "^X" 15
Unused.
.iP "^Y" 15
Exposes one more line above the current screen, leaving the cursor where
it is if possible. (No mnemonic value for this key; however, it is next
to \fB^U\fR which scrolls up a bunch.)
(Version 3 only.)
.iP "^Z" 15
If supported by the Unix system,
stops the editor, exiting to the top level shell.
Same as \fB:stop\fP\s-2CR\s0.
Otherwise, unused.
.iP "^[\ (\fR\s-2ESC\s0\fP)" 15
Cancels a partially formed command, such as a \fBz\fR when no following
character has yet been given; terminates inputs on the last line (read
by commands such as \fB: /\fR and \fB?\fR); ends insertions of new text
into the buffer.
If an \s-2ESC\s0 is given when quiescent in command state, the editor
rings the bell or flashes the screen. You can thus hit \s-2ESC\s0 if
you don't know what is happening till the editor rings the bell.
If you don't know if you are in insert mode you can type \s-2ESC\s0\fBa\fR,
and then material to be input; the material will be inserted correctly
whether or not you were in insert mode when you started (1.5, 3.1, 7.5).
.iP "^\e" 15
Unused.
.iP "^]" 15
Searches for the word which is after the cursor as a tag. Equivalent
to typing \fB:ta\fR, this word, and then a \s-2CR\s0.
Mnemonically, this command is ``go right to'' (7.3).
.iP "^\(ua" 15
Equivalent to \fB:e #\fR\s-2CR\s0, returning to the previous position
in the last edited file, or editing a file which you specified if you
got a `No write since last change diagnostic' and do not want to have
to type the file name again (7.3).
(You have to do a \fB:w\fR before \fB^\(ua\fR
will work in this case. If you do not wish to write the file you should
do \fB:e!\ #\fR\s-2CR\s0 instead.)
.iP "^_" 15
Unused.
Reserved as the command character for the
Tektronix 4025 and 4027 terminal.
.iP "\fR\s-2SPACE\s0\fP" 15
Same as
.B "right arrow"
(see
.B l ).
.iP "!" 15
An operator, which processes lines from the buffer with reformatting commands.
Follow \fB!\fR with the object to be processed, and then the command name
terminated by \s-2CR\s0. Doubling \fB!\fR and preceding it by a count
causes count lines to be filtered; otherwise the count
is passed on to the object after the \fB!\fR. Thus \fB2!}\fR\fIfmt\fR\s-2CR\s0
reformats the next two paragraphs by running them through the program
\fIfmt\fR. If you are working on \s-2LISP\s0,
the command \fB!%\fR\fIgrind\fR\s-2CR\s0,*
.FS
*Both
.I fmt
and
.I grind
are Berkeley programs and may not be present at all installations.
.FE
given at the beginning of a
function, will run the text of the function through the \s-2LISP\s0 grinder
(6.7, 7.3).
To read a file or the output of a command into the buffer use \fB:r\fR (7.3).
To simply execute a command use \fB:!\fR (7.3).
.tr "
.iP  15
Precedes a named buffer specification. There are named buffers \fB1\-9\fR
used for saving deleted text and named buffers \fBa\-z\fR into which you can
place text (4.3, 6.3)
.tr 
.iP "#" 15
The macro character which, when followed by a number, will substitute
for a function key on terminals without function keys (6.9).
In input mode,
if this is your erase character, it will delete the last character
you typed in input mode, and must be preceded with a \fB\e\fR to insert
it, since it normally backs over the last input character you gave.
.iP "$" 15
Moves to the end of the current line. If you \fB:se list\fR\s-2CR\s0,
then the end of each line will be shown by printing a \fB$\fR after the
end of the displayed text in the line. Given a count, advances to the
count'th following end of line; thus \fB2$\fR advances to the end of the
following line.
.iP "%" 15
Moves to the parenthesis or brace \fB{ }\fR which balances the parenthesis
or brace at the current cursor position.
.iP "&" 15
A synonym for \fB:&\fR\s-2CR\s0, by analogy with the
.I ex
.B &
command.
.iP "\(aa" 15
When followed by a \fB\(aa\fR returns to the previous context at the
beginning of a line. The previous context is set whenever the current
line is moved in a non-relative way.
When followed by a letter \fBa\fR\-\fBz\fR, returns to the line which
was marked with this letter with a \fBm\fR command, at the first non-white
character in the line. (2.2, 5.3).
When used with an operator such as \fBd\fR, the operation takes place
over complete lines; if you use \fB\(ga\fR, the operation takes place
from the exact marked place to the current cursor position within the
line.
.iP "(" 15
Retreats to the beginning of a
sentence, or to the beginning of a \s-2LISP\s0 s-expression
if the \fIlisp\fR option is set.
A sentence ends at a \fB. !\fR or \fB?\fR which is followed by either
the end of a line or by two spaces. Any number of closing \fB) ] "\fR
and \fB\(aa\fR characters may appear after the \fB. !\fR or \fB?\fR,
and before the spaces or end of line. Sentences also begin
at paragraph and section boundaries
(see \fB{\fR and \fB[[\fR below).
A count advances that many sentences (4.2, 6.8).
.iP ")" 15
Advances to the beginning of a sentence.
A count repeats the effect.
See \fB(\fR above for the definition of a sentence (4.2, 6.8).
.iP "*" 15
Unused.
.iP "+" 15
Same as \s-2CR\s0 when used as a command.
.iP "," 15
Reverse of the last \fBf F t\fR or \fBT\fR command, looking the other way
in the current line. Especially useful after hitting too many \fB;\fR
characters. A count repeats the search.
.iP "\-" 15
Retreats to the previous line at the first non-white character.
This is the inverse of \fB+\fR and \s-2RETURN\s0.
If the line moved to is not on the screen, the screen is scrolled, or
cleared and redrawn if this is not possible.
If a large amount of scrolling would be required the screen is also cleared
and redrawn, with the current line at the center (2.3).
.iP "\&." 15
Repeats the last command which changed the buffer. Especially useful
when deleting words or lines; you can delete some words/lines and then
hit \fB.\fR to delete more and more words/lines.
Given a count, it passes it on to the command being repeated. Thus after
a \fB2dw\fR, \fB3.\fR deletes three words (3.3, 6.3, 7.2, 7.4).
.iP "/" 15
Reads a string from the last line on the screen, and scans forward for
the next occurrence of this string. The normal input editing sequences may
be used during the input on the bottom line; an returns to command state
without ever searching.
The search begins when you hit \s-2CR\s0 to terminate the pattern;
the cursor moves to the beginning of the last line to indicate that the search
is in progress; the search may then
be terminated with a \s-2DEL\s0 or \s-2RUB\s0, or by backspacing when
at the beginning of the bottom line, returning the cursor to
its initial position.
Searches normally wrap end-around to find a string
anywhere in the buffer.
.IP
When used with an operator the enclosed region is normally affected.
By mentioning an
offset from the line matched by the pattern you can force whole lines
to be affected. To do this give a pattern with a closing
a closing \fB/\fR and then an offset \fB+\fR\fIn\fR or \fB\-\fR\fIn\fR.
.IP
To include the character \fB/\fR in the search string, you must escape
it with a preceding \fB\e\fR.
A \fB\(ua\fR at the beginning of the pattern forces the match to occur
at the beginning of a line only; this speeds the search. A \fB$\fR at
the end of the pattern forces the match to occur at the end of a line
only.
More extended pattern matching is available, see section 7.4;
unless you set \fBnomagic\fR in your \fI\&.exrc\fR file you will have
to preceed the characters \fB. [ *\fR and \fB~\fR in the search pattern
with a \fB\e\fR to get them to work as you would naively expect (1.5, 2,2,
6.1, 7.2, 7.4).
.iP "0" 15
Moves to the first character on the current line.
Also used, in forming numbers, after an initial \fB1\fR\-\fB9\fR.
.iP "1\-9" 15
Used to form numeric arguments to commands (2.3, 7.2).
.iP ":" 15
A prefix to a set of commands for file and option manipulation and escapes
to the system. Input is given on the bottom line and terminated with
an \s-2CR\s0, and the command then executed. You can return to where
you were by hitting \s-2DEL\s0 or \s-2RUB\s0 if you hit \fB:\fR accidentally
(see primarily 6.2 and 7.3).
.iP ";" 15
Repeats the last single character find which used \fBf F t\fR or \fBT\fR.
A count iterates the basic scan (4.1).
.iP "<" 15
An operator which shifts lines left one \fIshiftwidth\fR, normally 8
spaces. Like all operators, affects lines when repeated, as in
\fB<<\fR. Counts are passed through to the basic object, thus \fB3<<\fR
shifts three lines (6.6, 7.2).
.iP "=" 15
Reindents line for \s-2LISP\s0, as though they were typed in with \fIlisp\fR
and \fIautoindent\fR set (6.8).
.iP ">" 15
An operator which shifts lines right one \fIshiftwidth\fR, normally 8
spaces. Affects lines when repeated as in \fB>>\fR. Counts repeat the
basic object (6.6, 7.2).
.iP "?" 15
Scans backwards, the opposite of \fB/\fR. See the \fB/\fR description
above for details on scanning (2.2, 6.1, 7.4).
.iP "@" 15
A macro character (6.9). If this is your kill character, you must escape it with a \e
to type it in during input mode, as it normally backs over the input you
have given on the current line (3.1, 3.4, 7.5).
.iP "A" 15
Appends at the end of line, a synonym for \fB$a\fR (7.2).
.iP "B" 15
Backs up a word, where words are composed of non-blank sequences, placing
the cursor at the beginning of the word. A count repeats the effect
(2.4).
.iP "C" 15
Changes the rest of the text on the current line; a synonym for \fBc$\fR.
.iP "D" 15
Deletes the rest of the text on the current line; a synonym for \fBd$\fR.
.iP "E" 15
Moves forward to the end of a word, defined as blanks and non-blanks,
like \fBB\fR and \fBW\fR. A count repeats the effect.
.iP "F" 15
Finds a single following character, backwards in the current line.
A count repeats this search that many times (4.1).
.iP "G" 15
Goes to the line number given as preceding argument, or the end of the
file if no preceding count is given. The screen is redrawn with the
new current line in the center if necessary (7.2).
.iP "H" 15
.B "Home arrow" .
Homes the cursor to the top line on the screen. If a count is given,
then the cursor is moved to the count'th line on the screen.
In any case the cursor is moved to the first non-white character on the
line. If used as the target of an operator, full lines are affected
(2.3, 3.2).
.iP "I" 15
Inserts at the beginning of a line; a synonym for \fB\(uai\fR.
.iP "J" 15
Joins together lines, supplying appropriate white space: one space between
words, two spaces after a \fB.\fR, and no spaces at all if the first
character of the joined on line is \fB)\fR. A count causes that many
lines to be joined rather than the default two (6.5, 7.1f).
.iP "K" 15
Unused.
.iP "L" 15
Moves the cursor to the first non-white character of the last line on
the screen. With a count, to the first non-white of the count'th line
from the bottom. Operators affect whole lines when used with \fBL\fR
(2.3).
.iP "M" 15
Moves the cursor to the middle line on the screen, at the first non-white
position on the line (2.3).
.iP "N" 15
Scans for the next match of the last pattern given to
\fB/\fR or \fB?\fR, but in the reverse direction; this is the reverse
of \fBn\fR.
.iP "O" 15
Opens a new line above the current line and inputs text there up to an
\s-2ESC\s0. A count can be used on dumb terminals to specify a number
of lines to be opened; this is generally obsolete, as the \fIslowopen\fR
option works better (3.1).
.iP "P" 15
Puts the last deleted text back before/above the cursor. The text goes
back as whole lines above the cursor if it was deleted as whole lines.
Otherwise the text is inserted between the characters before and at the
cursor. May be preceded by a named buffer specification \fB"\fR\fIx\fR
to retrieve the contents of the buffer; buffers \fB1\fR\-\fB9\fR contain
deleted material, buffers \fBa\fR\-\fBz\fR are available for general
use (6.3).
.iP "Q" 15
Quits from \fIvi\fR to \fIex\fR command mode. In this mode, whole lines
form commands, ending with a \s-2RETURN\s0. You can give all the \fB:\fR
commands; the editor supplies the \fB:\fR as a prompt (7.7).
.iP "R" 15
Replaces characters on the screen with characters you type (overlay fashion).
Terminates with an \s-2ESC\s0.
.iP "S" 15
Changes whole lines, a synonym for \fBcc\fR. A count substitutes for
that many lines. The lines are saved in the numeric buffers, and erased
on the screen before the substitution begins.
.iP "T" 15
Takes a single following character, locates the character before the
cursor in the current line, and places the cursor just after that character.
A count repeats the effect. Most useful with operators such as \fBd\fR
(4.1).
.iP "U" 15
Restores the current line to its state before you started changing it
(3.5).
.iP "V" 15
Unused.
.iP "W" 15
Moves forward to the beginning of a word in the current line,
where words are defined as sequences of blank/non-blank characters.
A count repeats the effect (2.4).
.iP "X" 15
Deletes the character before the cursor. A count repeats the effect,
but only characters on the current line are deleted.
.iP "Y" 15
Yanks a copy of the current line into the unnamed buffer, to be put back
by a later \fBp\fR or \fBP\fR; a very useful synonym for \fByy\fR.
A count yanks that many lines. May be preceded by a buffer name to put
lines in that buffer (7.4).
.iP "ZZ" 15
Exits the editor.
(Same as \fB:x\fP\s-2CR\s0.)
If any changes have been made, the buffer is written out to the current file.
Then the editor quits.
.iP "[[" 15
Backs up to the previous section boundary. A section begins at each
macro in the \fIsections\fR option,
normally a `.NH' or `.SH' and also at lines which which start
with a formfeed \fB^L\fR. Lines beginning with \fB{\fR also stop \fB[[\fR;
this makes it useful for looking backwards, a function at a time, in C
programs. If the option \fIlisp\fR is set, stops at each \fB(\fR at the
beginning of a line, and is thus useful for moving backwards at the top
level \s-2LISP\s0 objects. (4.2, 6.1, 6.6, 7.2).
.iP "\e" 15
Unused.
.iP "]]" 15
Forward to a section boundary, see \fB[[\fR for a definition (4.2, 6.1,
6.6, 7.2).
.iP "\(ua" 15
Moves to the first non-white position on the current line (4.4).
.iP "_" 15
Unused.
.iP "\(ga" 15
When followed by a \fB\(ga\fR returns to the previous context.
The previous context is set whenever the current
line is moved in a non-relative way.
When followed by a letter \fBa\fR\-\fBz\fR, returns to the position which
was marked with this letter with a \fBm\fR command.
When used with an operator such as \fBd\fR, the operation takes place
from the exact marked place to the current position within the line;
if you use \fB\(aa\fR, the operation takes place over complete lines
(2.2, 5.3).
.iP "a" 15
Appends arbitrary text after the current cursor position; the insert
can continue onto multiple lines by using \s-2RETURN\s0 within the insert.
A count causes the inserted text to be replicated, but only if the inserted
text is all on one line.
The insertion terminates with an \s-2ESC\s0 (3.1, 7.2).
.iP "b" 15
Backs up to the beginning of a word in the current line. A word is a
sequence of alphanumerics, or a sequence of special characters.
A count repeats the effect (2.4).
.iP "c" 15
An operator which changes the following object, replacing it with the
following input text up to an \s-2ESC\s0. If more than part of a single
line is affected, the text which is changed away is saved in the numeric named
buffers. If only part of the current line is affected, then the last
character to be changed away is marked with a \fB$\fR.
A count causes that many objects to be affected, thus both
\fB3c)\fR and \fBc3)\fR change the following three sentences (7.4).
.iP "d" 15
An operator which deletes the following object. If more than part of
a line is affected, the text is saved in the numeric buffers.
A count causes that many objects to be affected; thus \fB3dw\fR is the
same as \fBd3w\fR (3.3, 3.4, 4.1, 7.4).
.iP "e" 15
Advances to the end of the next word, defined as for \fBb\fR and \fBw\fR.
A count repeats the effect (2.4, 3.1).
.iP "f" 15
Finds the first instance of the next character following the cursor on
the current line. A count repeats the find (4.1).
.iP "g" 15
Unused.
.sp
Arrow keys
.B h ,
.B j ,
.B k ,
.B l ,
and
.B H .
.iP "h" 15
.B "Left arrow" .
Moves the cursor one character to the left.
Like the other arrow keys, either
.B h ,
the
.B "left arrow"
key, or one of the synonyms (\fB^H\fP) has the same effect.
On v2 editors, arrow keys on certain kinds of terminals
(those which send escape sequences, such as vt52, c100, or hp)
cannot be used.
A count repeats the effect (3.1, 7.5).
.iP "i" 15
Inserts text before the cursor, otherwise like \fBa\fR (7.2).
.iP "j" 15
.B "Down arrow" .
Moves the cursor one line down in the same column.
If the position does not exist,
.I vi
comes as close as possible to the same column.
Synonyms include
.B ^J
(linefeed) and
.B ^N .
.iP "k" 15
.B "Up arrow" .
Moves the cursor one line up.
.B ^P
is a synonym.
.iP "l" 15
.B "Right arrow" .
Moves the cursor one character to the right.
\s-2SPACE\s0 is a synonym.
.iP "m" 15
Marks the current position of the cursor in the mark register which is
specified by the next character \fBa\fR\-\fBz\fR. Return to this position
or use with an operator using \fB\(ga\fR or \fB\(aa\fR (5.3).
.iP "n" 15
Repeats the last \fB/\fR or \fB?\fR scanning commands (2.2).
.iP "o" 15
Opens new lines below the current line; otherwise like \fBO\fR (3.1).
.iP "p" 15
Puts text after/below the cursor; otherwise like \fBP\fR (6.3).
.iP "q" 15
Unused.
.iP "r" 15
Replaces the single character at the cursor with a single character you
type. The new character may be a \s-2RETURN\s0; this is the easiest
way to split lines. A count replaces each of the following count characters
with the single character given; see \fBR\fR above which is the more
usually useful iteration of \fBr\fR (3.2).
.iP "s" 15
Changes the single character under the cursor to the text which follows
up to an \s-2ESC\s0; given a count, that many characters from the current
line are changed. The last character to be changed is marked with \fB$\fR
as in \fBc\fR (3.2).
.iP "t" 15
Advances the cursor upto the character before the next character typed.
Most useful with operators such as \fBd\fR and \fBc\fR to delete the
characters up to a following character. You can use \fB.\fR to delete
more if this doesn't delete enough the first time (4.1).
.iP "u" 15
Undoes the last change made to the current buffer. If repeated, will
alternate between these two states, thus is its own inverse. When used
after an insert which inserted text on more than one line, the lines are
saved in the numeric named buffers (3.5).
.iP "v" 15
Unused.
.iP "w" 15
Advances to the beginning of the next word, as defined by \fBb\fR (2.4).
.iP "x" 15
Deletes the single character under the cursor. With a count deletes
deletes that many characters forward from the cursor position, but only
on the current line (6.5).
.iP "y" 15
An operator, yanks the following object into the unnamed temporary buffer.
If preceded by a named buffer specification, \fB"\fR\fIx\fR, the text
is placed in that buffer also. Text can be recovered by a later \fBp\fR
or \fBP\fR (7.4).
.iP "z" 15
Redraws the screen with the current line placed as specified by the following
character: \s-2RETURN\s0 specifies the top of the screen, \fB.\fR the
center of the screen, and \fB\-\fR at the bottom of the screen.
A count may be given after the \fBz\fR and before the following character
to specify the new screen size for the redraw.
A count before the \fBz\fR gives the number of the line to place in the
center of the screen instead of the default current line. (5.4)
.iP "{" 15
Retreats to the beginning of the beginning of the preceding paragraph.
A paragraph begins at each macro in the \fIparagraphs\fR option, normally
`.IP', `.LP', `.PP', `.QP' and `.bp'.
A paragraph also begins after a completely
empty line, and at each section boundary (see \fB[[\fR above) (4.2, 6.8,
7.6).
.iP "|" 15
Places the cursor on the character in the column specified
by the count (7.1, 7.2).
.iP "}" 15
Advances to the beginning of the next paragraph. See \fB{\fR for the
definition of paragraph (4.2, 6.8, 7.6).
.iP "~" 15
Unused.
.iP "^?\ (\s-2\fRDEL\fP\s0)" 15
Interrupts the editor, returning it to command accepting state (1.5,
7.5)
.bp
\&.

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.\" Copyright (c) 1980, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)vi.summary 8.1 (Berkeley) 6/8/93
.\"
.ds CH
.ds CF
.de TS
.br
.if !\\n(1T .RT
.ul 0
.ti \\n(.iu
.if t .sp 0.25
.if n .sp
.if \\$1H .TQ
.nr IX 1
..
.nr PS 9
.ps 9
.nr VS 11
.vs 11
.nr HM .50i
.nr FM .25i
.nr PO 0
.po 0
.nr LL 3.5i
.ll 3.5i
.de nc
.bp
..
.de h
.LG
.B
\\$1
.R
.NL
..
.LG
.LG
.B
.ce
Ex Quick Reference
.R
.NL
.LP
.LP
.h "Entering/leaving ex"
.TS
aw(1.4i)b aw(1.8i).
% ex \fIname\fP edit \fIname\fP, start at end
% ex +\fIn\fP \fIname\fP ... at line \fIn\fP
% ex \-t \fItag\fP start at \fItag\fP
% ex \-r list saved files
% ex \-r \fIname\fP recover file \fIname\fP
% ex \fIname\fP ... edit first; rest via \fB:n\fP
% ex \-R \fIname\fP read only mode
: x exit, saving changes
: q! exit, discarding changes
.TE
.h "Ex states"
.TS
lw(1i) lw(2.0i).
Command T{
Normal and initial state. Input prompted for by \fB:\fP.
Your kill character cancels partial command.
T}
Insert T{
Entered by \fBa\fP \fBi\fP and \fBc\fP.
Arbitrary text then terminates with line having only \fB.\fP
character on it or abnormally with interrupt.
T}
Open/visual T{
Entered by \fBopen\fP or \fBvi\fP, terminates with \fBQ\fP
or ^\e.
T}
.TE
.h "Ex commands"
.TS
lw(.45i) lw(.08i)b lw(.45i) lw(.08i)b lw(.45i) lw(.08i)b.
abbrev ab next n unabbrev una
append a number nu undo u
args ar open o unmap unm
change c preserve pre version ve
copy co print p visual vi
delete d put pu write w
edit e quit q xit x
file f read re yank ya
global g recover rec \fIwindow\fP z
insert i rewind rew \fIescape\fP !
join j set se \fIlshift\fP <
list l shell sh \fIprint next\fP \fRCR\fP
map source so \fIresubst\fP &
mark ma stop st \fIrshift\fP >
move m substitute s \fIscroll\fP ^D
.TE
.h "Ex command addresses"
.TS
lw(.3i)b lw(0.8i) lw(.3i)b lw(0.8i).
\fIn\fP line \fIn\fP /\fIpat\fP next with \fIpat\fP
\&. current ?\fIpat\fP previous with \fIpat\fP
$ last \fIx\fP-\fIn\fP \fIn\fP before \fIx\fP
+ next \fIx\fP,\fIy\fP \fIx\fP through \fIy\fP
\- previous \(aa\fIx\fP marked with \fIx\fP
+\fIn\fP \fIn\fP forward \(aa\(aa previous context
% 1,$
.TE
.nc
.h "Specifying terminal type"
.TS
aw(1.7i)b aw(1.5i).
% setenv TERM \fItype\fP \fIcsh\fP and all version 6
$ TERM=\fItype\fP; export TERM \fIsh\fP in Version 7
See also \fItset\fR(1)
.TE
.h "Some terminal types"
.TS
lw(.4i) lw(.4i) lw(.4i) lw(.4i) lw(.4i).
2621 43 adm31 dw1 h19
2645 733 adm3a dw2 i100
300s 745 c100 gt40 mime
33 act4 dm1520 gt42 owl
37 act5 dm2500 h1500 t1061
4014 adm3 dm3025 h1510 vt52
.TE
.h "Initializing options"
.TS
lw(.9i)b aw(1.5i).
EXINIT place \fBset\fP's here in environment var.
set \fIx\fP enable option
set no\fIx\fP disable option
set \fIx\fP=\fIval\fP give value \fIval\fP
set show changed options
set all show all options
set \fIx\fP? show value of option \fIx\fP
.TE
.h "Useful options"
.TS
lw(.9i)b lw(.3i) lw(1.0i).
autoindent ai supply indent
autowrite aw write before changing files
ignorecase ic in scanning
lisp \fB( ) { }\fP are s-exp's
list print ^I for tab, $ at end
magic \fB. [ *\fP special in patterns
number nu number lines
paragraphs para macro names which start ...
redraw simulate smart terminal
scroll command mode lines
sections sect macro names ...
shiftwidth sw for \fB< >\fP, and input \fB^D\fP
showmatch sm to \fB)\fP and \fB}\fP as typed
slowopen slow choke updates during insert
window visual mode lines
wrapscan ws around end of buffer?
wrapmargin wm automatic line splitting
.TE
.LP
.h "Scanning pattern formation"
.TS
aw(.9i)b aw(1.0i).
\(ua beginning of line
$ end of line
\fB.\fR any character
\e< beginning of word
\e> end of word
[\fIstr\fP] any char in \fIstr\fP
[\(ua\fIstr\fP] ... not in \fIstr\fP
[\fIx\-y\fP] ... between \fIx\fP and \fIy\fP
* any number of preceding
.TE
.nc
.LP
.LG
.LG
.B
.ce
Vi Quick Reference
.NL
.R
.LP
.LP
.h "Entering/leaving vi"
.TS
aw(1.4i)b aw(1.8i).
% vi \fIname\fP edit \fIname\fP at top
% vi +\fIn\fP \fIname\fP ... at line \fIn\fP
% vi + \fIname\fP ... at end
% vi \-r list saved files
% vi \-r \fIname\fP recover file \fIname\fP
% vi \fIname\fP ... edit first; rest via \fB:n\fP
% vi \-t \fItag\fP start at \fItag\fP
% vi +/\fIpat\fP \fIname\fP search for \fIpat\fP
% view \fIname\fP read only mode
ZZ exit from vi, saving changes
^Z stop vi for later resumption
.TE
.h "The display"
.TS
lw(.75i) lw(2.2i).
Last line T{
Error messages, echoing input to \fB: / ?\fP and \fB!\fR,
feedback about i/o and large changes.
T}
@ lines On screen only, not in file.
~ lines Lines past end of file.
^\fIx\fP Control characters, ^? is delete.
tabs Expand to spaces, cursor at last.
.TE
.LP
.h "Vi states"
.TS
lw(.75i) lw(2.2i).
Command T{
Normal and initial state. Others return here.
ESC (escape) cancels partial command.
T}
Insert T{
Entered by \fBa i A I o O c C s S\fP \fBR\fP.
Arbitrary text then terminates with ESC character,
or abnormally with interrupt.
T}
Last line T{
Reading input for \fB: / ?\fP or \fB!\fP; terminate
with ESC or CR to execute, interrupt to cancel.
T}
.TE
.h "Counts before vi commands"
.TS
lw(1.5i) lw(1.7i)b.
line/column number z G |
scroll amount ^D ^U
replicate insert a i A I
repeat effect \fRmost rest\fP
.TE
.h "Simple commands"
.TS
lw(1.5i)b lw(1.7i).
dw delete a word
de ... leaving punctuation
dd delete a line
3dd ... 3 lines
i\fItext\fP\fRESC\fP insert text \fIabc\fP
cw\fInew\fP\fRESC\fP change word to \fInew\fP
ea\fIs\fP\fRESC\fP pluralize word
xp transpose characters
.TE
.nc
.h "Interrupting, cancelling"
.TS
aw(0.75i)b aw(1.6i).
ESC end insert or incomplete cmd
^? (delete or rubout) interrupts
^L reprint screen if \fB^?\fR scrambles it
.TE
.h "File manipulation"
.TS
aw(0.75i)b aw(1.6i).
:w write back changes
:wq write and quit
:q quit
:q! quit, discard changes
:e \fIname\fP edit file \fIname\fP
:e! reedit, discard changes
:e + \fIname\fP edit, starting at end
:e +\fIn\fR edit starting at line \fIn\fR
:e # edit alternate file
^\(ua synonym for \fB:e #\fP
:w \fIname\fP write file \fIname\fP
:w! \fIname\fP overwrite file \fIname\fP
:sh run shell, then return
:!\fIcmd\fP run \fIcmd\fR, then return
:n edit next file in arglist
:n \fIargs\fP specify new arglist
:f show current file and line
^G synonym for \fB:f\fP
:ta \fItag\fP to tag file entry \fItag\fP
^] \fB:ta\fP, following word is \fItag\fP
.TE
.h "Positioning within file"
.TS
aw(0.75i)b aw(1.6i).
^F forward screenfull
^B backward screenfull
^D scroll down half screen
^U scroll up half screen
G goto line (end default)
/\fIpat\fR next line matching \fIpat\fR
?\fIpat\fR prev line matching \fIpat\fR
n repeat last \fB/\fR or \fB?\fR
N reverse last \fB/\fR or \fB?\fR
/\fIpat\fP/+\fIn\fP n'th line after \fIpat\fR
?\fIpat\fP?\-\fIn\fP n'th line before \fIpat\fR
]] next section/function
[[ previous section/function
% find matching \fB( ) {\fP or \fB}\fP
.TE
.h "Adjusting the screen"
.TS
aw(0.75i)b aw(1.6i).
^L clear and redraw
^R retype, eliminate @ lines
z\fRCR\fP redraw, current at window top
z\- ... at bottom
z\|. ... at center
/\fIpat\fP/z\- \fIpat\fP line at bottom
z\fIn\fP\|. use \fIn\fP line window
^E scroll window down 1 line
^Y scroll window up 1 line
.TE
.nc
.h "Marking and returning
.TS
aw(0.5i)b aw(2.0i).
\(ga\(ga previous context
\(aa\(aa ... at first non-white in line
m\fIx\fP mark position with letter \fIx\fP
\(ga\fIx\fP to mark \fIx\fP
\(aa\fIx\fP ... at first non-white in line
.TE
.h "Line positioning"
.TS
aw(0.5i)b aw(2.0i).
H home window line
L last window line
M middle window line
+ next line, at first non-white
\- previous line, at first non-white
\fRCR\fP return, same as +
\(da \fRor\fP j next line, same column
\(ua \fRor\fP k previous line, same column
.TE
.h "Character positioning"
.TS
aw(0.5i)b aw(2.0i).
\(ua first non white
0 beginning of line
$ end of line
h \fRor\fP \(-> forward
l \fRor\fP \(<- backwards
^H same as \fB\(<-\fP
\fRspace\fP same as \fB\(->\fP
f\fIx\fP find \fIx\fP forward
F\fIx\fP \fBf\fR backward
t\fIx\fP upto \fIx\fP forward
T\fIx\fP back upto \fIx\fP
; repeat last \fBf F t\fP or \fBT\fP
, inverse of \fB;\fP
| to specified column
% find matching \fB( { )\fP or \fB}\fR
.TE
.h "Words, sentences, paragraphs"
.TS
aw(0.5i)b aw(2.0i).
w word forward
b back word
e end of word
) to next sentence
} to next paragraph
( back sentence
{ back paragraph
W blank delimited word
B back \fBW\fP
E to end of \fBW\fP
.TE
.h "Commands for \s-2LISP\s0"
.TS
aw(0.5i)b aw(2.0i).
) Forward s-expression
} ... but don't stop at atoms
( Back s-expression
{ ... but don't stop at atoms
.TE
.nc
.h "Corrections during insert"
.TS
aw(.5i)b aw(2.0i).
^H erase last character
^W erases last word
\fRerase\fP your erase, same as \fB^H\fP
\fRkill\fP your kill, erase input this line
\e escapes \fB^H\fR, your erase and kill
\fRESC\fP ends insertion, back to command
^? interrupt, terminates insert
^D backtab over \fIautoindent\fP
\(ua^D kill \fIautoindent\fP, save for next
0^D ... but at margin next also
^V quote non-printing character
.TE
.h "Insert and replace"
.TS
aw(.5i)b aw(2.0i).
a append after cursor
i insert before
A append at end of line
I insert before first non-blank
o open line below
O open above
r\fIx\fP replace single char with \fIx\fP
R replace characters
.TE
.h "Operators (double to affect lines)"
.TS
aw(0.5i)b aw(2.0i).
d delete
c change
< left shift
> right shift
! filter through command
\&\= indent for \s-2LISP\s0
y yank lines to buffer
.TE
.h "Miscellaneous operations"
.TS
aw(0.5i)b aw(2.0i).
C change rest of line
D delete rest of line
s substitute chars
S substitute lines
J join lines
x delete characters
X ... before cursor
Y yank lines
.TE
.h "Yank and put"
.TS
aw(0.5i)b aw(2.0i).
p put back lines
P put before
"\fIx\fPp put from buffer \fIx\fP
"\fIx\fPy yank to buffer \fIx\fP
"\fIx\fPd delete into buffer \fIx\fP
.TE
.h "Undo, redo, retrieve"
.TS
aw(0.5i)b aw(2.0i).
u undo last change
U restore current line
\fB.\fP repeat last change
"\fId\fP\|p retrieve \fId\fP'th last delete
.TE