Unicode 18.0.0

What is a Unicode noncharacter?

This is a permanently reserved noncharacter code point, although it remains a scalar value. Code points: U+FFFF. It is not intended for public textual interchange and may be rejected by software. No fallback is suggested. Font coverage, shaping, and application acceptance were not tested, so those results are unknown.

Code points

U+FFFF

What was checked

Unicode noncharacter

This is a permanently reserved noncharacter code point, although it remains a scalar value.

It is not intended for public textual interchange and may be rejected by software.

Remove or replace it with an explicitly intended character in exchanged text.

What this does not prove

No OS, font, browser, application, field policy or rendering engine was tested. Unicode validity and segmentation do not establish actual display or acceptance.

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