README revision 1.1 1 1.1 cgd ed is a POSIX-compliant line editor. It should work with any regular
2 1.1 cgd expression package that conforms to the POSIX interface standard, such as
3 1.1 cgd GNU regex(3).
4 1.1 cgd
5 1.1 cgd The following compiler directives are recognized:
6 1.1 cgd GNU_REGEX - use with GNU regex(3)
7 1.1 cgd DES - use to add encryption support (requires crypt(3))
8 1.1 cgd NO_REALLOC_NULL - use if realloc(3) does not accept a NULL pointer
9 1.1 cgd
10 1.1 cgd The file `ed-1003.2' in the ./doc directory describes POSIX ed. Extensions
11 1.1 cgd to the POSIX standard are described in the file `extensions.'
12 1.1 cgd
13 1.1 cgd The ./test directory contains regression tests for ed. The README
14 1.1 cgd file in that directory explains how to run these.
15 1.1 cgd
16 1.1 cgd For a description of the ed algorithm, see Kernighan and Pike's book
17 1.1 cgd "Software Tools in Pascal," Addison-Wesley, 1981.
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