Index: doc/grep.1
===================================================================
RCS file: /cvs/grep/doc/grep.1,v
retrieving revision 1.23
diff -u -u -r1.23 grep.1
--- doc/grep.1	22 Jan 2002 13:20:04 -0000	1.23
+++ doc/grep.1	17 Feb 2003 20:23:40 -0000
@@ -425,6 +425,16 @@
 .B "xargs \-0"
 to process arbitrary file names,
 even those that contain newline characters.
+.TP
+.BR \-z ", " \-\^\-null-data
+Treat the input as a set of lines, each terminated by a zero byte
+(the \s-1ASCII\s0
+.B NUL
+character) instead of a newline.  Like the
+.BR \-Z " or " \-\^\-null
+option, this option can be used with commands like
+.B "sort \-z"
+to process arbitrary file names.
 .SH "REGULAR EXPRESSIONS"
 .PP
 A regular expression is a pattern that describes a set of strings.
Index: src/grep.c
===================================================================
RCS file: /cvs/grep/src/grep.c,v
retrieving revision 1.81
diff -u -u -r1.81 grep.c
--- src/grep.c	18 Jan 2003 16:02:30 -0000	1.81
+++ src/grep.c	17 Feb 2003 20:23:45 -0000
@@ -1138,7 +1138,8 @@
   -L, --files-without-match only print FILE names containing no match\n\
   -l, --files-with-matches  only print FILE names containing matches\n\
   -c, --count               only print a count of matching lines per FILE\n\
-  -Z, --null                print 0 byte after FILE name\n"));
+  -Z, --null                print 0 byte after FILE name\n\
+  -z, --null-data           input lines are terminated with NUL, not newline\n"));
       printf (_("\
 \n\
 Context control:\n\