Ticket #1862: power.xml

<annotations>
        <group name="Power" icon="styles/standard/misc/landmark/power.png">
                <item name="Line" icon="styles/standard/misc/landmark/power.png">
                        <label text="Edit power line" />
                        <key key="power" value="line" />
                        <text key="operator" text="Operator" default="" delete_if_empty="true" />
                        <text key="ref" text="Line reference" default="" delete_if_empty="true" />
                        <text key="voltage" text="Voltage" default="" delete_if_empty="true" />
                        <text key="wires" text="Wires" default="" delete_if_empty="true" />
                </item>

                <item name="Station" icon="styles/standard/misc/landmark/power.png">
                        <label text="Edit power station" />
                        <key key="power" value="station" />
                        <text key="operator" text="Operator" default="" delete_if_empty="true" />
                </item>

                <item name="Sub station" icon="styles/standard/misc/landmark/power.png">
                        <label text="Edit power sub station" />
                        <key key="power" value="sub_station" />
                        <text key="operator" text="Operator" default="" delete_if_empty="true" />
                        <text key="ref" text="Line reference" default="" delete_if_empty="true" />
                </item>
        </group>
</annotations>