11.10Smaya$NetBSD: README,v 1.10 2019/01/04 19:13:58 maya Exp $
21.9Scgd
31.4Salmed is an 8-bit-clean, POSIX-compliant line editor.  It should work with
41.4Salmany regular expression package that conforms to the POSIX interface
51.4Salmstandard, such as GNU regex(3).
61.1Scgd
71.5SalmIf reliable signals are supported (e.g., POSIX sigaction(2)), it should
81.7Salmcompile with little trouble.  Otherwise, the macros SPL1() and SPL0()
91.5Salmshould be redefined to disable interrupts.
101.5Salm
111.1ScgdThe following compiler directives are recognized:
121.8SalmDES		- to add encryption support (requires crypt(3))
131.8SalmBACKWARDS	- for backwards compatibility
141.8SalmNEED_INSQUE	- if insque(3) is missing
151.1Scgd
161.2SalmThe file `POSIX' describes extensions to and deviations from the POSIX
171.2Salmstandard.
181.1Scgd
191.1ScgdThe ./test directory contains regression tests for ed. The README
201.1Scgdfile in that directory explains how to run these.
211.1Scgd
221.2SalmFor a description of the ed algorithm, see Kernighan and Plauger's book
231.1Scgd"Software Tools in Pascal," Addison-Wesley, 1981.
24