text: For more information, see the*Mixed Object Document Content Architecture (MO:DCA)*
  *Reference*, AFPC-0004-08, at the following website: 
  
  http://afpcinc.org/afp-publications/ 
  
  The following two examples in hexadecimal of the AFP Structured Field Introducer show the 
  most common Structured Fields that you might see at the beginning of an AFP file: 
  
  5A 00 10 D3 A8 A8 00 00 00 Begin Document (BDT) 
  5A 00 5B D3 A8 C6 00 00 00 Begin Resource Group (BRG) 
  
  An AFP Structured Field can begin with the 2-byte length prefix (which is called*record*
  *format*): 
  
  00 11 5A 00 10 D3 A8 A8 00 00 00 
  
  The length in the 2-byte prefix is one greater than the length in the Structured Field because 
  the 2-byte prefix includes the x'5A', but it does not include itself. 
  
  When you work with ACIF, it is important to know the format of the data. Use the**arsafpd**
  utility or look at the input in a hex editor to be sure. 