Source: Noto Sans Mongolian

U+1801 MONGOLIAN ELLIPSIS

U+1801 was added to Unicode in version 3.0 (1999). It belongs to the block U+1800 to U+18AF Mongolian in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Other Punctuation and is mainly used in the Mongolian script.

The glyph is not a composition. It has a Neutral East Asian Width. In bidirectional context it acts as Other Neutral and is not mirrored. In text U+1801 behaves as Alphabetic regarding line breaks. It has type Other for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

The ellipsis ... (, also known informally as dot dot dot) is a series of dots that indicates an intentional omission of a word, sentence, or whole section from a text without altering its original meaning. The plural is ellipses. The term originates from the Ancient Greek: ἔλλειψις, élleipsis meaning 'leave out'.
Opinions differ as to how to render ellipses in printed material. According to The Chicago Manual of Style, it should consist of three periods, each separated from its neighbor by a non-breaking space: . . .. According to the AP Stylebook, the periods should be rendered with no space between them: .... A third option is to use the Unicode character U+2026 … HORIZONTAL ELLIPSIS.

Representations

System	Representation
Nº	6145
UTF-8	E1 A0 81
UTF-16	18 01
UTF-32	00 00 18 01
URL-Quoted	%E1%A0%81
HTML-Escape	᠁
Wrong windows-1252 Mojibake	á

Elsewhere

Complete Record

Property	Value
Age	3.0 (1999)
Unicode Name	MONGOLIAN ELLIPSIS
Unicode 1 Name	—
Block	Mongolian
General Category	Other Punctuation
Script	Mongolian
Bidirectional Category	Other Neutral
Combining Class	Not Reordered
Decomposition Type	None
Decomposition Mapping	Mongolian Ellipsis
Lowercase	✘
Simple Lowercase Mapping	Mongolian Ellipsis
Lowercase Mapping	Mongolian Ellipsis
Uppercase	✘
Simple Uppercase Mapping	Mongolian Ellipsis
Uppercase Mapping	Mongolian Ellipsis
Simple Titlecase Mapping	Mongolian Ellipsis
Titlecase Mapping	Mongolian Ellipsis
Case Folding	Mongolian Ellipsis
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	Mongolian Ellipsis
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	Mongolian Ellipsis
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
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Other
White Space	✘
XID Continue	✘
XID Start	✘
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	Mongolian Ellipsis
Bidi Paired Bracket Type	None
East Asian Width	Neutral
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Alphabetic
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Mongolian Ellipsis
Script Extension
Vertical Orientation	R