function
| Library: Base64 encoding and decoding (OMENC64 legacy) Include: omenc64.xin | 
define string function Encode64
                 value string Chars-In
   with-sequence value string EncodeSeq optional
Argument definitions
The Encode64 function converts data into Base64-encoded data. You can use this function to convert binary data (255-character-set data) into 64-character-set data that can be sent and received by all email programs.