}
DEFINE_SUB_MAKEFUNC(source_description)
+DEFINE_SUB_ADDFUNC(source_description)
+DEFINE_SUB_FINDFUNC(source_description)
+DEFINE_SUB_REMOVEFUNC(source_description)
+DEFINE_SUB_MOVEFUNC(source_description)
DEFINE_STRING_CB(source_description, sub_sour_caln_medi_start, media)