High Private Use Surrogates
The High Private Use Surrogates block spans
U+DBFF. Of the 128 codepoints in
this block, 0
have been assigned, and 128
This block was most recently added to in Unicode 1.1.
UTF-16 high surrogate value, not a valid Unicode codepoint (0xD800..0xDBFF).
Data sourced from Unicode 13.0.0.