Home | History | Annotate | Line # | Download | only in ed
README revision 1.9.116.3 
      1  1.9.116.3  martin $NetBSD: README,v 1.9.116.3 2020/04/21 19:37:31 martin Exp $
      2        1.9     cgd 
      3        1.4     alm ed is an 8-bit-clean, POSIX-compliant line editor.  It should work with
      4        1.4     alm any regular expression package that conforms to the POSIX interface
      5        1.4     alm standard, such as GNU regex(3).
      6        1.1     cgd 
      7        1.5     alm If reliable signals are supported (e.g., POSIX sigaction(2)), it should
      8        1.7     alm compile with little trouble.  Otherwise, the macros SPL1() and SPL0()
      9        1.5     alm should be redefined to disable interrupts.
     10        1.5     alm 
     11        1.1     cgd The following compiler directives are recognized:
     12        1.8     alm DES		- to add encryption support (requires crypt(3))
     13        1.8     alm BACKWARDS	- for backwards compatibility
     14        1.8     alm NEED_INSQUE	- if insque(3) is missing
     15        1.1     cgd 
     16        1.2     alm The file `POSIX' describes extensions to and deviations from the POSIX
     17        1.2     alm standard.
     18        1.1     cgd 
     19        1.1     cgd The ./test directory contains regression tests for ed. The README
     20        1.1     cgd file in that directory explains how to run these.
     21        1.1     cgd 
     22        1.2     alm For a description of the ed algorithm, see Kernighan and Plauger's book
     23        1.1     cgd "Software Tools in Pascal," Addison-Wesley, 1981.
     24