Changes When Casemapped - No

Unicode Version 18.0

No is the designation for characters that remain completely unchanged in appearance and code point when subjected to any casemapping operation, including uppercase, lowercase, and titlecase transformations. This applies to characters that inherently lack a case distinction, such as digits, punctuation marks, symbols, spaces, and most scripts that do not have uppercase or lowercase forms, like Chinese or Arabic. For these characters, the mapping to their own code point is effectively a no-op, meaning they are inherently case-neutral. The value also covers those rare characters that have case counterparts but are defined to map to themselves in all contexts, ensuring no alteration occurs. This flag simplifies text processing by allowing systems to skip unnecessary transformation attempts for the vast majority of non-cased characters.

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START OF HEADING

END OF TRANSMISSION

CHARACTER TABULATION

LINE TABULATION

CARRIAGE RETURN

LOCKING-SHIFT ONE

LOCKING-SHIFT ZERO

DATA LINK ESCAPE

DEVICE CONTROL ONE

DEVICE CONTROL TWO

DEVICE CONTROL THREE

DEVICE CONTROL FOUR

NEGATIVE ACKNOWLEDGE

SYNCHRONOUS IDLE

END OF TRANSMISSION BLOCK

GROUP SEPARATOR

INFORMATION SEPARATOR TWO

INFORMATION SEPARATOR ONE

Exclamation Mark

Left Parenthesis

Right Parenthesis

Greater-than Sign

Left Square Bracket

Reverse Solidus

Right Square Bracket

Circumflex Accent

Left Curly Bracket

Right Curly Bracket

Latin-1 Supplement

Latin-1 Supplement

BREAK PERMITTED HERE

START OF SELECTED AREA

END OF SELECTED AREA

CHARACTER TABULATION SET

CHARACTER TABULATION WITH JUSTIFICATION

LINE TABULATION SET

PARTIAL LINE DOWN

PARTIAL LINE BACKWARD

SINGLE SHIFT TWO

SINGLE SHIFT THREE

DEVICE CONTROL STRING

PRIVATE USE ONE

PRIVATE USE TWO

SET TRANSMIT STATE

CANCEL CHARACTER

MESSAGE WAITING

START OF GUARDED AREA

END OF GUARDED AREA

START OF STRING

Latin-1 Supplement

SINGLE CHARACTER INTRODUCER

CONTROL SEQUENCE INTRODUCER

STRING TERMINATOR

OPERATING SYSTEM COMMAND

PRIVACY MESSAGE

APPLICATION PROGRAM COMMAND

Inverted Exclamation Mark

Feminine Ordinal Indicator

Left-Pointing Double Angle Quotation Mark

Registered Sign

Plus-Minus Sign

Superscript Two

Superscript Three

Superscript One

Masculine Ordinal Indicator

Right-Pointing Double Angle Quotation Mark

Vulgar Fraction One Quarter

Vulgar Fraction One Half

Vulgar Fraction Three Quarters

Inverted Question Mark

Multiplication Sign

Latin Small Letter Kra

Latin Small Letter Turned Delta

Latin Letter Reversed Esh Loop

Latin Small Letter T with Palatal Hook

Latin Small Letter Ezh with Tail

Latin Letter Two with Stroke

Latin Letter Inverted Glottal Stop with Stroke

Latin Letter Dental Click

Latin Letter Lateral Click

Latin Letter Alveolar Click

Latin Letter Retroflex Click

Latin Small Letter D with Curl

Latin Small Letter L with Curl

Latin Small Letter N with Curl

Latin Small Letter T with Curl

Latin Small Letter Dotless J

Latin Small Letter Db Digraph

Latin Small Letter Qp Digraph

Latin Small Letter C with Curl

Latin Small Letter Reversed E

Latin Small Letter Schwa with Hook

Latin Small Letter Reversed Open E with Hook

Latin Small Letter Closed Reversed Open E

Latin Small Letter Dotless J with Stroke

Latin Letter Small Capital G

Latin Small Letter Heng with Hook

Latin Small Letter L with Retroflex Hook

Latin Small Letter Lezh

Latin Small Letter Turned M with Long Leg

Latin Small Letter N with Retroflex Hook

Latin Letter Small Capital N

Latin Letter Small Capital Oe

Latin Small Letter Phi

Latin Small Letter Turned R

Latin Small Letter Turned R with Long Leg

Latin Small Letter Turned R with Hook

Latin Small Letter R with Fishhook

Latin Small Letter Reversed R with Fishhook

Latin Letter Small Capital Inverted R

Latin Small Letter Dotless J with Stroke and Hook

Latin Small Letter Squat Reversed Esh

Latin Small Letter Esh with Curl

Latin Small Letter Turned W

Latin Small Letter Turned Y

Latin Letter Small Capital Y

Latin Small Letter Z with Retroflex Hook

Latin Small Letter Z with Curl

Latin Small Letter Ezh with Curl

Latin Letter Glottal Stop

Latin Letter Pharyngeal Voiced Fricative

Latin Letter Inverted Glottal Stop

Latin Letter Stretched C

Latin Letter Bilabial Click

Latin Letter Small Capital B

Latin Small Letter Closed Open E

Latin Letter Small Capital G with Hook

Latin Letter Small Capital H

Latin Letter Small Capital L

Latin Small Letter Q with Hook

Latin Letter Glottal Stop with Stroke

Latin Letter Reversed Glottal Stop with Stroke

Latin Small Letter Dz Digraph

Latin Small Letter Dezh Digraph

Latin Small Letter Dz Digraph with Curl

Latin Small Letter Ts Digraph

Latin Small Letter Tesh Digraph

Latin Small Letter Tc Digraph with Curl

Latin Small Letter Feng Digraph

Latin Small Letter Ls Digraph

Latin Small Letter Lz Digraph

Latin Letter Bilabial Percussive

Latin Letter Bidental Percussive

Latin Small Letter Turned H with Fishhook

Latin Small Letter Turned H with Fishhook and Tail

Modifier Letter Small H

Modifier Letter Small H with Hook

Modifier Letter Small J

Modifier Letter Small R

Modifier Letter Small Turned R

Modifier Letter Small Turned R with Hook

Modifier Letter Small Capital Inverted R

Modifier Letter Small W

Modifier Letter Small Y

Modifier Letter Prime

Modifier Letter Double Prime

Modifier Letter Turned Comma

Modifier Letter Apostrophe

Modifier Letter Reversed Comma

Modifier Letter Right Half Ring

Modifier Letter Left Half Ring

Modifier Letter Glottal Stop

Modifier Letter Reversed Glottal Stop

Modifier Letter Left Arrowhead

Modifier Letter Right Arrowhead

Modifier Letter Up Arrowhead

Modifier Letter down Arrowhead

Modifier Letter Circumflex Accent

Modifier Letter Vertical Line

Modifier Letter Macron

Modifier Letter Acute Accent

Modifier Letter Grave Accent

Modifier Letter Low Vertical Line

Modifier Letter Low Macron

Modifier Letter Low Grave Accent

Modifier Letter Low Acute Accent

Modifier Letter Triangular Colon

Modifier Letter Half Triangular Colon

Modifier Letter Centred Right Half Ring

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