Fuente: Noto Sans Arabic

U+061C Arabic Letter Mark

U+061C was added in Unicode version 6.3 in 2013. It belongs to the block U+0600 para U+06FF Arabic in the U+0000 para U+FFFF Basic Multilingual Plane.

This character is a Formato and is mainly used in the Arabic script. It is also used in the scripts Syriac, Thaana.

The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written as Arabic letter from right to left. When changing direction it is not mirrored. U+061C prohibits a line break before it.

El Wikipedia tiene la siguiente información acerca de este punto de código:

The Arabic letter mark (ALM) is a non-printing character used in the computerized typesetting of bi-directional text containing mixed left-to-right scripts (such as Latin and Cyrillic) and right-to-left scripts (such as Persian, Arabic, Syriac and Hebrew).
Similar to the right-to-left mark (RLM), it is used to change the way adjacent characters are grouped with respect to text direction, with some difference on how it affects the bidirectional level resolutions for nearby characters.

Representaciones

Sistema	Representación
N.º	1564
UTF-8	D8 9C
UTF-16	06 1C
UTF-32	00 00 06 1C
URL-Quoted	%D8%9C
HTML hex reference	؜
Mojibake mal de windows-1252	Øœ
abreviatura	ALM
Codificación: GB18030 (hexadecimales bytes)	81 31 82 38

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Registro completo

Propiedad	Valor
Antigüedad (age)	6.3 (2013)
Nombre Unicode (na)	ARABIC LETTER MARK
Nombre Unicode 1 (na1)	—
Block (blk)	Arabic
Categoría general (gc)	Formato
Script (sc)	Arabic
Categoría de bidireccionalidad (bc)	Arabic Letter
Combining Class (ccc)	Not Reordered
Tipo de descomposición (dt)	none
Decomposition Mapping (dm)	Arabic Letter Mark
Minúscula (Lower)	✘
Simple Lowercase Mapping (slc)	Arabic Letter Mark
Lowercase Mapping (lc)	Arabic Letter Mark
Mayúscula (Upper)	✘
Simple Uppercase Mapping (suc)	Arabic Letter Mark
Uppercase Mapping (uc)	Arabic Letter Mark
Simple Titlecase Mapping (stc)	Arabic Letter Mark
Titlecase Mapping (tc)	Arabic Letter Mark
Case Folding (cf)	Arabic Letter Mark
ASCII Hex Digit (AHex)	✘
Alphabetic (Alpha)	✘
Bidi Control (Bidi_C)	✔
Bidi Mirrored (Bidi_M)	✘
Exclusión de descomposición (CE)	✘
Case Ignorable (CI)	✔
Changes When Casefolded (CWCF)	✘
Changes When Casemapped (CWCM)	✘
Changes When NFKC Casefolded (CWKCF)	✔
Changes When Lowercased (CWL)	✘
Changes When Titlecased (CWT)	✘
Changes When Uppercased (CWU)	✘
Cased (Cased)	✘
Exclusión de composición completa (Comp_Ex)	✘
Default Ignorable Code Point (DI)	✔
Raya (Dash)	✘
Deprecated (Dep)	✘
Diacrítico (Dia)	✘
Base de modificador de emoyi (EBase)	✘
Componente de emoyi (EComp)	✘
Modificador de emoyi (EMod)	✘
Presentación de emoyi (EPres)	✘
Emoyi (Emoji)	✘
Extender (Ext)	✘
Extended Pictographic (ExtPict)	✘
FC NFKC Closure (FC_NFKC)	Arabic Letter Mark
Grapheme Cluster Break (GCB)	Control
Base de grafema (Gr_Base)	✘
Extensión de grafema (Gr_Ext)	✘
Enlace de grafema (Gr_Link)	✘
Hex Digit (Hex)	✘
Guion (Hyphen)	✘
ID Continue (IDC)	✘
ID Start (IDS)	✘
IDS Binary Operator (IDSB)	✘
IDS Trinary Operator and (IDST)	✘
IDSU (IDSU)	0
ID_Compat_Math_Continue (ID_Compat_Math_Continue)	0
ID_Compat_Math_Start (ID_Compat_Math_Start)	0
Ideographic (Ideo)	✘
InCB (InCB)	None
Indic Mantra Category (InMC)	—
Indic Positional Category (InPC)	NA
Indic Syllabic Category (InSC)	Other
Jamo Short Name (JSN)	—
Join Control (Join_C)	✘
Logical Order Exception (LOE)	✘
Modifier Combining Mark (MCM)	✘
Math (Math)	✘
Noncharacter Code Point (NChar)	✘
NFC Quick Check (NFC_QC)	Sí
NFD Quick Check (NFD_QC)	Sí
NFKC Quick Check (NFKC_QC)	Sí
NFKD Quick Check (NFKD_QC)	Sí
Other Alphabetic (OAlpha)	✘
Other Default Ignorable Code Point (ODI)	✘
Otra extensión de grafema (OGr_Ext)	✘
Other ID Continue (OIDC)	✘
Other ID Start (OIDS)	✘
Other Lowercase (OLower)	✘
Other Math (OMath)	✘
Other Uppercase (OUpper)	✘
Prepended Concatenation Mark (PCM)	✘
Pattern Syntax (Pat_Syn)	✘
Pattern White Space (Pat_WS)	✘
Comilla (QMark)	✘
Indicador regional (RI)	✘
Radical (Radical)	✘
Salto de oración (SB)	Formato
Soft Dotted (SD)	✘
Sentence Terminal (STerm)	✘
Terminal Punctuation (Term)	✘
Ideograma unificado (UIdeo)	✘
Selector de variación (VS)	✘
Salto de palabra (WB)	Formato
Espacio en blanco (WSpace)	✘
XID Continue (XIDC)	✘
XID Start (XIDS)	✘
Expands On NFC (XO_NFC)	✘
Expands On NFD (XO_NFD)	✘
Expands On NFKC (XO_NFKC)	✘
Expands On NFKD (XO_NFKD)	✘
Bidi Paired Bracket (bpb)	Arabic Letter Mark
Bidi Paired Bracket Type (bpt)	None
East Asian Width (ea)	neutral
Hangul Syllable Type (hst)	Not Applicable
ISO 10646 Comment (isc)	—
Joining Group (jg)	No_Joining_Group
Joining Type (jt)	Transparente
Line Break (lb)	Marca combinable
Numeric Type (nt)	none
Valor numérico (nv)	not a number
Simple Case Folding (scf)	Arabic Letter Mark
Script Extension (scx)	Syriac Thaana
Orientación vertical (vo)	R