<?xml version="1.0"?>
<!DOCTYPE SystemDefinition SYSTEM "sysdef_1_4_0.dtd"[
  <!ENTITY layer_real_source_path "sf/app/photos" >
]>

<SystemDefinition name="photos" schema="1.4.0">
  <systemModel>
    <layer name="app_layer">
      <module name="photos">
        <unit unitID="uxdo.photos" mrp="" bldFile="&layer_real_source_path;/group" name="photos" />
      </module>
    </layer>
  </systemModel>
</SystemDefinition>