function
| 
                
Library: Big5 (OMFFBIG5)
 Import : omffbig5.xmd  | 
              
 Returns: a scannable input source for streaming data  | 
            
export external string source function reader from value string source input-data
 Use big5.reader to read its value string source input-data argument and return
      the data converted from a Big 5 encoding to a UTF-8 encoding.  That is, the provided source is in Big 5, but the
      program sees UTF-8
      
 The following program uses big5.reader to convert a file provided on the command-line to UTF-8 before
      scanning the result.
        
import "omffbig5.xmd" prefixed by big5. process using group "process file" submit big5.reader from #main-input group "process file" ; ...
To use big5.reader, you must import OMFFBIG5 into your program using an import
      declaration such as:
        
import "omffbig5.xmd" prefixed by big5.