man: udev - add private properties like ENV{.FOO}="bar"

diff --git a/udev/udev.xml b/udev/udev.xml
index cd4884d3b5529d4d98777536d0db3b97ece07e65..934fe628ae66dbdf226a1d0f97d46ff8b0ecb1e8 100644 (file)
--- a/udev/udev.xml
+++ b/udev/udev.xml
@@ -323,7 +323,8 @@
             <varlistentry>
               <term><option>ENV{<replaceable>key</replaceable>}</option></term>
               <listitem>
-                <para>Set a device property value.</para>
+                <para>Set a device property value. Property names with a leading '.'
+                are not stored in the database or exported to external tool or events.</para>
               </listitem>
             </varlistentry>