From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Sun, 28 Feb 2021 16:54:05 +0000 (+0100)
Subject: man: mention that != matches nonexistent keys too
X-Git-Tag: v248-rc3~92^2~5
X-Git-Url: http://git-history.diyao.me/?a=commitdiff_plain;h=5929b6b52281c9c89d62fba525cda54b8958625d;p=systemd%2F.git

man: mention that != matches nonexistent keys too

Fixes #15984.
---

diff --git a/man/udev.xml b/man/udev.xml
index c1166b5500..8782bb15c5 100644
--- a/man/udev.xml
+++ b/man/udev.xml
@@ -79,14 +79,16 @@
           <varlistentry>
             <term><literal>==</literal></term>
             <listitem>
-              <para>Compare for equality.</para>
+              <para>Compare for equality. (The specified key has the specified value.)</para>
             </listitem>
           </varlistentry>
 
           <varlistentry>
             <term><literal>!=</literal></term>
             <listitem>
-              <para>Compare for inequality.</para>
+              <para>Compare for inequality. (The specified key doesn't have the specified value, or the
+              specified key is not present at all.)
+              </para>
             </listitem>
           </varlistentry>