How to put Start / End character to Code 128 A/B/C barcode

Hi folks,

I'm trying to generate Code 128 barcode in a PDF document using XSL-FP + 
Krysalis Barcode.  I can generate barcode in Code 128 RAW format with no 
problem.  However, for Code 128 Set A/B/C, the barcode has start/end 
character and check digit attached.  Is it possible to do in Krysalis ?  
For example, when I put a leading character ascii(0204) to my barcode 
string in XML, Krysalis simply returns invalid character.  Any idea ?  
Also, should I calculate the check digit myself or Krysalis can do it for 
me ?  Thanks in advance.

C.K.



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