Source: Unifont Upper

U+13431 EGYPTIAN HIEROGLYPH HORIZONTAL JOINER

U+13431 was added to Unicode in version 12.0 (2019). It belongs to the block U+13430 to U+1345F Egyptian Hieroglyph Format Controls in the U+10000 to U+1FFFF Supplementary Multilingual Plane.

This character is a Format and is mainly used in the Egyptian Hieroglyphs script. The character is also known as sign separator: juxtaposition (Manuel de Codage).

The glyph is not a composition. It has a Neutral East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+13431 behaves as Non-breaking (“Glue”) regarding line breaks. It has type Format for sentence and Format for word breaks. The Grapheme Cluster Break is Control.

The Wikipedia has the following information about this codepoint:

Egyptian Hieroglyph Format Controls is a Unicode block containing formatting characters that enable full formatting of quadrats for Egyptian hieroglyphs.
The block size was expanded by 32 code points in Unicode version 15.0 (version 14: 1343F → version 15: 1345F), and 29 more characters were defined.

Representations

System	Representation
Nº	78897
UTF-8	F0 93 90 B1
UTF-16	D8 0D DC 31
UTF-32	00 01 34 31
URL-Quoted	%F0%93%90%B1
HTML-Escape	𓐱
Wrong windows-1252 Mojibake	ð±
alias	sign separator: juxtaposition (Manuel de Codage)

Elsewhere

Complete Record

Property	Value
Age	12.0 (2019)
Unicode Name	EGYPTIAN HIEROGLYPH HORIZONTAL JOINER
Unicode 1 Name	—
Block	Egyptian Hieroglyph Format Controls
General Category	Format
Script	Egyptian Hieroglyphs
Bidirectional Category	Left To Right
Combining Class	Not Reordered
Decomposition Type	None
Decomposition Mapping	Egyptian Hieroglyph Horizontal Joiner
Lowercase	✘
Simple Lowercase Mapping	Egyptian Hieroglyph Horizontal Joiner
Lowercase Mapping	Egyptian Hieroglyph Horizontal Joiner
Uppercase	✘
Simple Uppercase Mapping	Egyptian Hieroglyph Horizontal Joiner
Uppercase Mapping	Egyptian Hieroglyph Horizontal Joiner
Simple Titlecase Mapping	Egyptian Hieroglyph Horizontal Joiner
Titlecase Mapping	Egyptian Hieroglyph Horizontal Joiner
Case Folding	Egyptian Hieroglyph Horizontal Joiner
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	Egyptian Hieroglyph Horizontal Joiner
Grapheme Cluster Break	Control
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	Egyptian Hieroglyph Horizontal Joiner
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	Format
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Format
White Space	✘
XID Continue	✘
XID Start	✘
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	Egyptian Hieroglyph Horizontal Joiner
Bidi Paired Bracket Type	None
East Asian Width	Neutral
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Transparent
Line Break	Non-breaking (“Glue”)
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Egyptian Hieroglyph Horizontal Joiner
Script Extension
Vertical Orientation	U