The C++ APIs deal only in char* or binary. Per comments on top of encodeText, it appears that a wide character string is expected to be translated to UTF8 before being passed to the API. I tried ...

several local administrations in West Java, such as in Bandung city and Purwakarta regency, have started using regional military posts to provide a six-month intensive character training program ...

strike s 𝑎̶𝑏̶𝑐̶𝑑̶𝑒̶𝑓̶ strike-curly sc 𝑎̴𝑏̴𝑐̴𝑑̴𝑒̴𝑓̴ underline u 𝑎̲𝑏̲𝑐̲𝑑̲𝑒̲𝑓̲ underline-curly uc 𝑎̰𝑏̰𝑐̰𝑑̰𝑒̰𝑓̰ underline-sm u-sm ...