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      1  1.10  maya $NetBSD: README,v 1.10 2019/01/04 19:13:58 maya 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.
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