When a trailing soft-hyphenation character exists for the end of
string, it renders as a visible "-" dash character where as the
soft-hyphenation character introduced within the string does not
appear.  Why is the trailing soft-hyphenation rendered to a visible
dash?  Is this expected?

<fo:block margin-left="0.2in">PATI&#x00ad;ENT CRASHING?&#x00ad;</fo:block>

Expected:
PATIENT CRASHING?

Actual
PATIENT CRASHING?-