range-10ffff
About this case
Surrogates and values past U+10FFFF become U+FFFD
- Source
- Focused regression
- Input
- 10 B · raw text
- Output
- 4 B
- Archive
004755_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+10FFFF⟩
Code points: U+10FFFF