From: Ted Lemon <source@isc.org>
Date: Mon, 12 Apr 1999 21:31:54 +0000 (+0000)
Subject: Document the "known" expression.
X-Git-Tag: V3-ALPHA-19990412~11
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0c643a7eb2835a7a7b783c128aee584f9c59f9d5;p=thirdparty%2Fdhcp.git

Document the "known" expression.
---

diff --git a/common/dhcp-eval.5 b/common/dhcp-eval.5
index 1310d928e..25ba4c556 100644
--- a/common/dhcp-eval.5
+++ b/common/dhcp-eval.5
@@ -157,6 +157,13 @@ is also null.
 The \fBexists\fR expression returns true if the specified option
 exists in the incoming DHCP packet being processed.
 .RE
+.B known
+.PP
+.RS 0.25i
+The \fBknown\fR expression returns true if the client whose request is
+currently being processed is known - that is, if there's a host
+declaration for it.
+.RE
 .SH DATA EXPRESSIONS
 Several of the boolean expressions above depend on the results of
 evaluating data expressions.   A list of these expressions is provided