Source: Noto Sans

U+0351 COMBINING LEFT HALF RING ABOVE

U+0351 was added to Unicode in version 4.0 (2003). It belongs to the block U+0300 to U+036F Combining Diacritical Marks in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Nonspacing Mark and inherits its script property from the preceding character.

The glyph is not a composition. It has a Ambiguous East Asian Width. In bidirectional context it acts as Nonspacing Mark and is not mirrored. In text U+0351 behaves as Combining Mark regarding line breaks. It has type Extend for sentence and Extend for word breaks. The Grapheme Cluster Break is Extend.

The Wikipedia has the following information about this codepoint:

A ring diacritic may appear above or below letters. It may be combined with some letters of the extended Latin alphabets in various contexts.

Representations

System	Representation
Nº	849
UTF-8	CD 91
UTF-16	03 51
UTF-32	00 00 03 51
URL-Quoted	%CD%91
HTML-Escape	͑
Wrong windows-1252 Mojibake	âÍ
AGL: Latin-5	uni0351

Elsewhere

Complete Record

Property	Value
Age	4.0 (2003)
Unicode Name	COMBINING LEFT HALF RING ABOVE
Unicode 1 Name	—
Block	Combining Diacritical Marks
General Category	Nonspacing Mark
Script	Inherited
Bidirectional Category	Nonspacing Mark
Combining Class	Above
Decomposition Type	None
Decomposition Mapping	Combining Left Half Ring Above
Lowercase	✘
Simple Lowercase Mapping	Combining Left Half Ring Above
Lowercase Mapping	Combining Left Half Ring Above
Uppercase	✘
Simple Uppercase Mapping	Combining Left Half Ring Above
Uppercase Mapping	Combining Left Half Ring Above
Simple Titlecase Mapping	Combining Left Half Ring Above
Titlecase Mapping	Combining Left Half Ring Above
Case Folding	Combining Left Half Ring Above
ASCII Hex Digit	✘
Alphabetic	✘
Bidi Control	✘
Bidi Mirrored	✘
Composition Exclusion	✘
Case Ignorable	✔
Changes When Casefolded	✘
Changes When Casemapped	✘
Changes When NFKC Casefolded	✘
Changes When Lowercased	✘
Changes When Titlecased	✘
Changes When Uppercased	✘
Cased	✘
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✔
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✘
Extended Pictographic	✘
FC NFKC Closure	Combining Left Half Ring Above
Grapheme Cluster Break	Extend
Grapheme Base	✘
Grapheme Extend	✔
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✔
ID Start	✘
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✘
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✘
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Casefold	Combining Left Half Ring Above
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Other Alphabetic	✘
Other Default Ignorable Code Point	✘
Other Grapheme Extend	✘
Other ID Continue	✘
Other ID Start	✘
Other Lowercase	✘
Other Math	✘
Other Uppercase	✘
Prepended Concatenation Mark	✘
Pattern Syntax	✘
Pattern White Space	✘
Quotation Mark	✘
Regional Indicator	✘
Radical	✘
Sentence Break	Extend
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Extend
White Space	✘
XID Continue	✔
XID Start	✘
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	Combining Left Half Ring Above
Bidi Paired Bracket Type	None
East Asian Width	Ambiguous
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Transparent
Line Break	Combining Mark
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Combining Left Half Ring Above
Script Extension
Vertical Orientation	R