Code point
U+10FFFD
This code point is invisible, reserved, private-use, or a control. The dot is a placeholder, not its glyph.
U+10FFFD
CoChoose the representation you need, then copy its value.
U+10FFFD
1114109
􏿽
􏿽
F4 8F BF BD
DBFF DFFD
0010FFFD
%F4%8F%BF%BD
\U0010FFFD
\u{10FFFD}
\uDBFF\uDFFD
\10FFFD