mutter/src/tests/monitor-configs/primary.xml

<monitors version="2">
  <configuration>
    <logicalmonitor>
      <x>0</x>
      <y>0</y>
      <primary>no</primary>
      <monitor>
	<monitorspec>
	  <connector>DP-1</connector>
	  <vendor>MetaProduct&apos;s Inc.</vendor>
	  <product>MetaMonitor</product>
	  <serial>0x123456</serial>
	</monitorspec>
	<mode>
	  <width>1024</width>
	  <height>768</height>
	  <rate>60.000495910644531</rate>
	</mode>
      </monitor>
    </logicalmonitor>
    <logicalmonitor>
      <x>1024</x>
      <y>0</y>
      <primary>yes</primary>
      <monitor>
	<monitorspec>
	  <connector>DP-2</connector>
	  <vendor>MetaProduct&apos;s Inc.</vendor>
	  <product>MetaMonitor</product>
	  <serial>0x123456</serial>
	</monitorspec>
	<mode>
	  <width>800</width>
	  <height>600</height>
	  <rate>60.000495910644531</rate>
	</mode>
      </monitor>
    </logicalmonitor>
  </configuration>
</monitors>