Source: Noto Sans Arabic

U+0759 Arabic Letter Dal with Two Dots Vertically Below and Small Tah

U+0759 was added to Unicode in version 4.1 (2005). It belongs to the block U+0750 to U+077F Arabic Supplement in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Arabic script.

The glyph is not a composition. It has a Neutral East Asian Width. In bidirectional context it acts as Arabic Letter and is not mirrored. In text U+0759 behaves as Alphabetic regarding line breaks. It has type Other Letter for sentence and Alphabetic Letter for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

ݙ is an additional letter of the Arabic script, not used in the Arabic alphabet itself but used in Saraiki to represent a voiced alveolar implosive, [ɗ]. Its other form is also found in Saraiki Spoken in Jhang in the form of voiced retroflex implosive, [ᶑ].
It is written as ॾ in Saraiki and Sindhi's Devanagari orthography. It is derived from dāl (د), with a small ṭāʼ (ط) above to represent retroflexion (as in Urdu), and two dots below to represent implosion (as in Sindhi). The unicode for saraiki letter ݙ was approved in 2005.

Representations

System	Representation
Nº	1881
UTF-8	DD 99
UTF-16	07 59
UTF-32	00 00 07 59
URL-Quoted	%DD%99
HTML hex reference	ݙ
Wrong windows-1252 Mojibake	Ý™

Elsewhere

Complete Record

Property	Value
Age	4.1 (2005)
Unicode Name	ARABIC LETTER DAL WITH TWO DOTS VERTICALLY BELOW AND SMALL TAH
Unicode 1 Name	—
Block	Arabic Supplement
General Category	Other Letter
Script	Arabic
Bidirectional Category	Arabic Letter
Combining Class	Not Reordered
Decomposition Type	None
Decomposition Mapping	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
Lowercase	✘
Simple Lowercase Mapping	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
Lowercase Mapping	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
Uppercase	✘
Simple Uppercase Mapping	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
Uppercase Mapping	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
Simple Titlecase Mapping	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
Titlecase Mapping	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
Case Folding	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
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	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
Grapheme Cluster Break	Any
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	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
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	Other Letter
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Alphabetic Letter
White Space	✘
XID Continue	✔
XID Start	✔
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
Bidi Paired Bracket Type	None
East Asian Width	Neutral
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	Dal
Joining Type	Right Joining
Line Break	Alphabetic
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Arabic Letter Dal with Two Dots Vertically Below and Small Tah
Script Extension
Vertical Orientation	R