Windows XP Explorer writes Title, Comment, Author, Metadata, Keywords, and Subject metadata into proprietary UTF16-encoded tags 0x9c9b-0x9c9f in IFD0. We now recognize them, exif_entry_get_value returns their value converted to UTF8. BTW, Explorer corrupts makernotes using offsets relative to IFD0...
Windows XP Explorer writes Title, Comment, Author, Metadata, Keywords,
and Subject metadata into proprietary UTF16-encoded tags 0x9c9b-0x9c9f
in IFD0. We now recognize them, exif_entry_get_value returns their value
converted to UTF8. BTW, Explorer corrupts makernotes using offsets
relative to IFD0...

wang-bin/libexif-port,wang-bin/libexif-port