Private Use One
U+0091
[PU1]
ℹ️ About
The Private Use One (PU1) character is a C1 control code used for internal application logic rather than visual rendering. It is part of the Latin-1 Supplement block and is designated as a Boundary Neutral (BN) character. In modern web environments, it is non-printing and typically ignored by browsers, but remains critical for legacy terminal emulations and proprietary protocol mapping.
⚠️ Note: Do not confuse with ‘ (Left Single Quotation Mark U+2018), which often replaces this code in non-Unicode legacy encodings.
⚡ Codes
HTML
‘
CSS
\00091
Python
\u0091
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