Code point
U+FFFFD
This code point is invisible, reserved, private-use, or a control. The dot is a placeholder, not its glyph.
U+FFFFD
CoChoose the representation you need, then copy its value.
U+FFFFD
1048573
󿿽
󿿽
F3 BF BF BD
DBBF DFFD
000FFFFD
%F3%BF%BF%BD
\U000FFFFD
\u{FFFFD}
\uDBBF\uDFFD
\FFFFD