According to RFC 2616 Section 4.2
The content of a header field may only be "the OCTETs making up the field-value and consisting of either *TEXT or combinations of token, separators, and quoted-string" and in section 2.1 makes explicit that "Words of *TEXT MAY contain characters from character sets other than ISO-8859-1  only when encoded according to the rules of RFC 2047 ."
For illustration purpose, we use a fictional name Hunter Poe Программное обеспечение воин
In the OpenAM agents if the raw bytes are consumed and displayed, it is
Although if the raw bytes is consumed as ASCII and then convert them UTF-8 it displays correctly as
Hunter Poe Программное обеспечение воин
But according to RFC 2047 it should be displayed like this: