<?xml version="1.0"?>
<!DOCTYPE SystemDefinition SYSTEM "sysdef_1_5_1.dtd" [
  <!ENTITY layer_real_source_path "sf/app/photos" >
]>

<SystemDefinition name="photos" schema="1.5.1">
  <systemModel>
    <layer name="app_layer">
      <module name="photos">
        <unit name="photos" unitID="photos" bldFile="&layer_real_source_path;" mrp="" proFile="photos.pro" />
      </module>
    </layer>
  </systemModel>
</SystemDefinition>