html5lib/numericEntities/0097
About this case
Invalid numeric entity character U+CFFFF
- Source
- html5lib-tests
- Topics
- numeric references
- Input
- 9 B · raw text
- Output
- 4 B
- Archive
000168_must_render_exactly/input
Input
Invisible characters are shown as symbols, such as ␀ for NUL and ␉ for tab.

Expected output
The output must match these bytes exactly.
⟨U+CFFFF⟩
Code points: U+CFFFF