X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev.xml;h=852ae039e7117282ab5f0fae8d46ef8ef5317d07;hb=fa0bca0120fb5b219d8a97d969587e89471a4476;hp=b2781b767d322893b849c7dd7b1c07388c479854;hpb=02adc0cbd637862f6e9cf8319c80def0fa31b4e7;p=elogind.git

diff --git a/udev.xml b/udev.xml
index b2781b767..852ae039e 100644
--- a/udev.xml
+++ b/udev.xml
@@ -406,7 +406,7 @@
               <term><option>$id</option>, <option>%b</option></term>
               <listitem>
                 <para>The name of the device matched while searching the devpath upwards for
-                  <option>SUBSYSTEMS</option>, <option>KERNELS</option> <option>DRIVERS</option> and <option>ATTRS</option>.
+                  <option>SUBSYSTEMS</option>, <option>KERNELS</option>, <option>DRIVERS</option> and <option>ATTRS</option>.
                 </para>
               </listitem>
             </varlistentry>
@@ -414,7 +414,12 @@
             <varlistentry>
               <term><option>$attr{<replaceable>file</replaceable>}</option>, <option>%s{<replaceable>file</replaceable>}</option></term>
               <listitem>
-                <para>The value of a sysfs attribute found at the current or a parent device.</para>
+                <para>The value of a sysfs attribute found at the device, where
+                all keys of the rule have matched. If the matching device does not have
+                such an attribute, all devices along the chain of parents are searched
+                for a matching attribute.
+                If the attribute is a symlink, the last element of the symlink target is
+                returned as the value.</para>
               </listitem>
             </varlistentry>