1 <?xml version="1.0"?>

     2 <!DOCTYPE SystemDefinition SYSTEM "sysdef_1_4_0.dtd" [

     3   <!ENTITY layer_real_source_path "sf/os/bt" >

     4 ]>

     5 

     6 <SystemDefinition name="bt" schema="1.4.0">

     7   <systemModel>

     8     <layer name="os_layer">

     9       <module name="bt">

    10         <unit unitID="lcdo.bt" mrp="" bldFile="&layer_real_source_path;/group" name="bt" />

    11       </module>

    12     </layer>

    13   </systemModel>

    14 </SystemDefinition>