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-rw-r--r--usr.bin/diff/diff.113
-rw-r--r--usr.bin/grep/grep.110
2 files changed, 20 insertions, 3 deletions
diff --git a/usr.bin/diff/diff.1 b/usr.bin/diff/diff.1
index b14ca7d5519..a694f291049 100644
--- a/usr.bin/diff/diff.1
+++ b/usr.bin/diff/diff.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: diff.1,v 1.27 2004/12/09 18:56:10 millert Exp $
+.\" $OpenBSD: diff.1,v 1.28 2005/01/06 00:28:53 jmc Exp $
.\"
.\" Copyright (c) 1980, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
@@ -186,7 +186,16 @@ Comparison options:
.Bl -tag -width Ds
.It Fl a
Treat all files as
-.Tn ASCII .
+.Tn ASCII
+text.
+Normally
+.Nm
+will simply print
+.Dq Binary files ... differ
+if files contain binary characters.
+Use of this option forces
+.Nm
+to produce a diff.
.It Fl b
Causes trailing blanks (spaces and tabs) to be ignored, and other
strings of blanks to compare equal.
diff --git a/usr.bin/grep/grep.1 b/usr.bin/grep/grep.1
index 0501945dbc8..a7d64d6722c 100644
--- a/usr.bin/grep/grep.1
+++ b/usr.bin/grep/grep.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: grep.1,v 1.29 2004/10/04 21:34:17 jmc Exp $
+.\" $OpenBSD: grep.1,v 1.30 2005/01/06 00:28:53 jmc Exp $
.\" Copyright (c) 1980, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
@@ -110,6 +110,14 @@ and
options.
.It Fl a
Treat all files as ASCII text.
+Normally
+.Nm
+will simply print
+.Dq Binary file ... matches
+if files contain binary characters.
+Use of this option forces
+.Nm
+to output lines matching the specified pattern.
.It Fl B Ar num
Print
.Ar num