From 01396a1a038c254535d25c1145e5cf3054241a6a Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Mon, 10 Aug 2015 21:25:44 +0000
Subject:  Update ucspilogd doc

---
 doc/ucspilogd.html | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'doc')

diff --git a/doc/ucspilogd.html b/doc/ucspilogd.html
index 52b22e1..29b1975 100644
--- a/doc/ucspilogd.html
+++ b/doc/ucspilogd.html
@@ -26,7 +26,7 @@ numbers and alert levels into names.
 <h2> Interface </h2>
 
 <pre>
-     ucspilogd [ <em>var</em> ... ]
+     ucspilogd [ -d <em>undef</em> ] [ <em>var</em> ... ]
 </pre>
 
 <ul>
@@ -41,6 +41,17 @@ human-readable name in the syslogd fashion. </li>
  <li> It then writes the processed line to stdout. </li>
 </ul>
 
+<h2> Options </h2>
+
+<ul>
+ <li> <tt>-d&nbsp;<em>undef</em></tt>&nbsp;: when a variable
+<em>var</em> given on the command line is actually undefined at
+ucspilogd execution time, print <em>undef</em> in place of what
+would be the variable's value on every line. Default is the
+string <tt>&lt;undefined&gt;</tt>. </li>
+</ul>
+
+
 <h2> Common use </h2>
 
 <p>
-- 
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