[PATCH 2/3] server-id in ip= is not optional

[Anton Blanchard]

The documentation suggests that server-id is an optional argument
but ip_to_var fails if it is not specified. Fix the documentation.

---

Index: dracut/dracut.cmdline.7.xml
===================================================================
--- dracut.orig/dracut.cmdline.7.xml    2011-12-27 09:02:05.424745613 +1100
+++ dracut/dracut.cmdline.7.xml 2011-12-27 09:02:31.321211186 +1100
@@ -452,9 +452,9 @@ with a valid DHCP root-path.</para>
           </listitem>
         </varlistentry>
         <varlistentry>
-          
<term><envar>ip=</envar><replaceable>&lt;client-IP&gt;</replaceable>:<optional>
+          <term><envar>ip=</envar><replaceable>&lt;client-IP&gt;</replaceable>:
               <replaceable>&lt;server-id&gt;</replaceable>
-            
</optional>:<replaceable>&lt;gateway-IP&gt;</replaceable>:<replaceable>&lt;netmask&gt;</replaceable>:<replaceable>&lt;client_hostname&gt;</replaceable>:<replaceable>&lt;interface&gt;</replaceable>:<replaceable>{none|off}</replaceable></term>
+            
:<replaceable>&lt;gateway-IP&gt;</replaceable>:<replaceable>&lt;netmask&gt;</replaceable>:<replaceable>&lt;client_hostname&gt;</replaceable>:<replaceable>&lt;interface&gt;</replaceable>:<replaceable>{none|off}</replaceable></term>
           <listitem>
             <para>explicit network configuration. If you want do define a IPv6 
address, put it in brackets (e.g. [2001:DB8::1]).
 This parameter can be specified multiple times.</para>


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