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$NetBSD: README,v 1.10 2019/01/04 19:13:58 maya Exp $

ed is an 8-bit-clean, POSIX-compliant line editor.  It should work with
any regular expression package that conforms to the POSIX interface
standard, such as GNU regex(3).

If reliable signals are supported (e.g., POSIX sigaction(2)), it should
compile with little trouble.  Otherwise, the macros SPL1() and SPL0()
should be redefined to disable interrupts.

The following compiler directives are recognized:
DES		- to add encryption support (requires crypt(3))
BACKWARDS	- for backwards compatibility
NEED_INSQUE	- if insque(3) is missing

The file `POSIX' describes extensions to and deviations from the POSIX
standard.

The ./test directory contains regression tests for ed. The README
file in that directory explains how to run these.

For a description of the ed algorithm, see Kernighan and Plauger's book
"Software Tools in Pascal," Addison-Wesley, 1981.

 Name                            Last modified      Size  
 Parent Directory                                     -   
 CVS/                            02-Dec-2024 04:02    -   
 test/                           16-Apr-2004 19:18    -   
 Makefile                        22-May-2017 05:00  308   
 POSIX                           21-May-2022 05:00  4.3K  
 README                          05-Jan-2019 04:00  917   
 buf.c                           24-Mar-2014 04:58  7.0K  
 cbc.c                           02-Aug-2023 05:00   12K  
 ed.1                            10-Apr-2018 05:00   24K  
 ed.h                            05-Jan-2019 04:00  7.6K  
 glbl.c                          11-Apr-2024 05:00  5.8K  
 io.c                            04-Oct-2024 05:00  8.6K  
 main.c                          19-Jun-2018 05:00   32K  
 re.c                            24-Mar-2014 04:58  3.9K  
 sub.c                           24-Mar-2014 04:58  6.8K  
 undo.c                          03-Nov-2021 04:00  4.1K  

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