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304585c1 | 1 | # @(#)README 8.54 (Berkeley) 3/24/94 |
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3 | This is the README for version 1.11 of nex/nvi, a freely redistributable |
4 | replacement for the Berkeley ex and vi text editors. The compressed tar | |
5 | archive can be retrieved by anonymous ftp from ftp.cs.berkeley.edu, from | |
6 | the file ucb/4bsd/nvi.tar.Z. There is a gzip'd tar archive, nvi.tar.z, | |
7 | in the same directory. | |
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9 | If you have any questions about nvi, or problems making it work, please |
10 | contact me by electronic mail at one of the following addresses: | |
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11 | |
12 | uunet!bostic | |
13 | bostic@cs.berkeley.edu | |
14 | ||
15 | Keith Bostic | |
16 | ||
17 | =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= | |
18 | o Redistribution: | |
19 | ||
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20 | This software is copyrighted by the The Regents of the University of |
21 | California, but may be freely redistributed (or sold, or used to line | |
22 | your birdcage) under the following conditions: | |
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23 | |
24 | /*- | |
304585c1 | 25 | * Copyright (c) 1991, 1993, 1994 |
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26 | * The Regents of the University of California. All rights reserved. |
27 | * | |
28 | * Redistribution and use in source and binary forms, with or without | |
29 | * modification, are permitted provided that the following conditions | |
30 | * are met: | |
31 | * 1. Redistributions of source code must retain the above copyright | |
32 | * notice, this list of conditions and the following disclaimer. | |
33 | * 2. Redistributions in binary form must reproduce the above copyright | |
34 | * notice, this list of conditions and the following disclaimer in the | |
35 | * documentation and/or other materials provided with the distribution. | |
36 | * 3. All advertising materials mentioning features or use of this software | |
37 | * must display the following acknowledgement: | |
38 | * This product includes software developed by the University of | |
39 | * California, Berkeley and its contributors. | |
40 | * 4. Neither the name of the University nor the names of its contributors | |
41 | * may be used to endorse or promote products derived from this software | |
42 | * without specific prior written permission. | |
43 | * | |
44 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
45 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
46 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
47 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
48 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
49 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
50 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
51 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
52 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
53 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
54 | * SUCH DAMAGE. | |
55 | */ | |
56 | ||
57 | =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= | |
58 | o Credit where it's due: | |
59 | ||
60 | This software was originally derived from software contributed | |
61 | to the University of California, Berkeley by Steve Kirkendall, | |
62 | the author of the vi clone elvis. Without his work, this work | |
63 | would have been far more difficult. | |
64 | ||
65 | POSIX 1003.2 style regular expression support is courtesy of | |
66 | Henry Spencer, for which I am *very* grateful. | |
67 | ||
68 | The curses library was originally done by Ken Arnold. Scrolling | |
69 | and general reworking for 4.4BSD was done by Elan Amir. | |
70 | ||
71 | o From the original vi acknowledgements, by William Joy and Mark Horton: | |
72 | ||
73 | Bruce Englar encouraged the early development of this display | |
74 | editor. Peter Kessler helped bring sanity to version 2's | |
75 | command layout. Bill Joy wrote versions 1 and 2.0 through 2.7, | |
76 | and created the framework that users see in the present editor. | |
77 | Mark Horton added macros and other features and made the editor | |
78 | work on a large number of terminals and Unix systems. | |
79 | ||
80 | o And... | |
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81 | The financial support of UUNET Communications Services is gratefully |
82 | acknowledged. | |
83 | ||
84 | =-=-=-=-=-=-=-=-=-=-= | |
304585c1 | 85 | o Status: |
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87 | This software is in beta test, and it's believed to be pretty stable. |
88 | Almost all of the historic functionality in ex/vi is there, the missing | |
89 | pieces are fairly obscure. In particular, the edcompatible, hardtabs*, | |
90 | lisp*, optimize*, redraw*, and slowopen* options are recognized, but not | |
91 | implemented. | |
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92 | |
93 | Nvi is mostly 8-bit clean. This isn't difficult to fix, and was left in | |
94 | during initial development to make things easier. Wide character support | |
95 | will be integrated at the same time it is made fully 8-bit clean. | |
96 | ||
0d19c241 | 97 | There aren't a lot of new features in nex/nvi, but there are a few things |
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98 | you might like. See the "ADDITIONAL FEATURES" section of the manual page |
99 | (docs/vi.0.txt, docs/vi.0.ps) for a list. | |
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100 | |
101 | =-=-=-=-=-=-=-=-=-=-= | |
102 | o Porting information: | |
103 | ||
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104 | The directory PORT has directories per OS/machine combination, with |
105 | V7-style Makefiles which build nex/nvi. See the file PORT/README for | |
106 | detailed information. | |
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107 | |
108 | =-=-=-=-=-=-=-=-=-=-= | |
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109 | o Bug reports: |
110 | ||
111 | Code fixes are appreciated, of course, but if you can't provide them, | |
112 | please email me as much information as you can as to how to reproduce | |
113 | the bug, and I'll try to fix it locally. In particular, the screen | |
114 | routines are nasty stuff, and you probably don't want to mess with them. | |
115 | Stack traces of core dumps are sometimes helpful, but an example file | |
116 | with a set of keystrokes that causes the problem is far better. Also, | |
117 | make sure that you include the dimensions of the screen on which the | |
118 | problem occurred, your startup files (.exrc, .nexrc), and the environment | |
119 | variable (EXINIT, NEXINIT) values. | |
120 | ||
121 | =-=-=-=-=-=-=-=-=-=-= | |
122 | o Layout: | |
123 | ||
124 | nvi: | |
125 | Source files for pieces of code that are shared by all the | |
126 | editors, like searching and logging code or code translating | |
127 | line numbers into requests to the dbopen(3) database code. | |
128 | It also has the code for adding, deleting, and changing "records" | |
129 | in the underlying database. | |
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131 | nvi/PORT: |
132 | Porting directories, one per OS/architecture combination. See | |
133 | nvi/PORT/README for porting information. | |
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134 | |
135 | nvi/docs: | |
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136 | The nvi/docs directory has all of the nvi documentation: |
137 | ||
138 | README -- Nvi main README file. | |
139 | USD.doc -- Historic vi documentation (in roff source form). | |
140 | bugs.current -- Known bugs in the current nvi implementation. | |
141 | changelog -- Log of changes from version to version. | |
142 | features -- Todo list, suggested features list. | |
143 | internals/ | |
144 | autowrite -- Vi autowrite option discussion. | |
145 | gdb.script -- GDB debugging scripts. | |
146 | input -- Vi maps, executable buffers, and input discussion. | |
147 | quoting -- Vi quoting discussion. | |
148 | structures -- Nvi internal structure description. | |
149 | spell.ok -- Misspellings list for README, vi.1. | |
150 | tutorial -- Historic vi tutorial | |
151 | vi.0.ps -- PostScript of vi.1. | |
152 | vi.0.txt -- Flat text of vi.1. | |
153 | vi.1 -- Nvi man page (in roff source form). | |
154 | vi.ref -- Nvi reference (in roff source form). | |
155 | vi.ref.ps -- PostScript of vi.ref. | |
156 | vi.ref.txt -- Flat text of vi.ref. | |
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157 | |
158 | nvi/ex: | |
159 | The nvi/ex directory is the ex source code. Because vi has the | |
160 | colon command, lots of this code is used by vi. Generally, if | |
161 | functionality is shared by both ex and vi, it's in nvi/ex, if | |
162 | it's vi only, it's in nvi/vi. Files are generally named by the | |
163 | command(s) they support, but occasionally with a name that | |
164 | describes their functionality. | |
165 | ||
166 | nvi/sex: | |
167 | The nvi/sex directory is the screen support for the ex editor. | |
168 | ||
169 | nvi/svi: | |
170 | The nvi/svi directory is the screen support for a curses based | |
171 | vi editor. | |
172 | ||
173 | nvi/vi: | |
174 | The nvi/vi directory is the vi source code. | |
175 | ||
176 | nvi/xaw: | |
177 | Place reserved for an X11 (Athena Widget) screen. |