README revision 1.4 
11.4Salmed is an 8-bit-clean, POSIX-compliant line editor.  It should work with
21.4Salmany regular expression package that conforms to the POSIX interface
31.4Salmstandard, such as GNU regex(3).
41.1Scgd
51.1ScgdThe following compiler directives are recognized:
61.1ScgdGNU_REGEX	- use with GNU regex(3)
71.1ScgdDES		- use to add encryption support (requires crypt(3))
81.1ScgdNO_REALLOC_NULL	- use if realloc(3) does not accept a NULL pointer
91.4SalmBACKWARDS	- use for backwards compatibility
101.1Scgd
111.2SalmThe file `POSIX' describes extensions to and deviations from the POSIX
121.2Salmstandard.
131.1Scgd
141.1ScgdThe ./test directory contains regression tests for ed. The README
151.1Scgdfile in that directory explains how to run these.
161.1Scgd
171.2SalmFor a description of the ed algorithm, see Kernighan and Plauger's book
181.1Scgd"Software Tools in Pascal," Addison-Wesley, 1981.
19