app/console list --xml generates inconsistent data #2667
Description
When using symfony console to retrieve xml formated commands, the command list indicates that the first argument command is required but that isn't true.
<arguments>
<argument name="command" is_required="1" is_array="0">
<description>The command to execute</description>
<defaults/>
</argument>_
<argument name="namespace" is_required="0" is_array="0">
<description>The namespace name</description>
<defaults/>
</argument>
</arguments>