This character is a Other Letter and is mainly used in the Katakana script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. This katakana joins with other adjacent katakana to form a word. U+30DE offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
Ma (hiragana: ま, katakana: マ) is one of the Japanese kana, which each represent one mora. The hiragana is made in three strokes, while the katakana in two. Both represent [ma].
Representations
System
Representation (click value to copy)
Nº
12510
UTF-8
E3 83 9E
UTF-16
30 DE
UTF-32
00 00 30 DE
URL-Quoted
%E3%83%9E
HTML hex reference
マ
Wrong windows-1252 Mojibake
マ
Encoding: BIG5 (hex bytes)
C7 76
Encoding: BIG5HKSCS (hex bytes)
C7 DA
Encoding: CP932 (hex bytes)
83 7D
Encoding: CP949 (hex bytes)
AB DE
Encoding: CP950 (hex bytes)
C7 76
Encoding: EUC_JP (hex bytes)
A5 DE
Encoding: EUC_JIS_2004 (hex bytes)
A5 DE
Encoding: EUC_JISX0213 (hex bytes)
A5 DE
Encoding: EUC_KR (hex bytes)
AB DE
Encoding: GB2312 (hex bytes)
A5 DE
Encoding: GBK (hex bytes)
A5 DE
Encoding: GB18030 (hex bytes)
A5 DE
Encoding: HZ (hex bytes)
7E 7B 25 5E 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 25 5E 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 25 5E 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 25 5E 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 25 5E 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 25 5E 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 25 5E 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 2B 5E 0F
Encoding: JOHAB (hex bytes)
DE 6E
Encoding: SHIFT_JIS (hex bytes)
83 7D
Encoding: SHIFT_JIS_2004 (hex bytes)
83 7D
Encoding: SHIFT_JISX0213 (hex bytes)
83 7D
Adobe Glyph List
makatakana
digraph
Ma
RFC 5137
\u'30DE'
Bash and Zsh inside echo -e
\u30DE
C and C++
\u30DE
C#
\u30DE
CSS
\0030DE
Excel
=UNICHAR(12510)
Go
\u30DE
JavaScript
\u30DE
Modern JavaScript since ES6
\u{30de}
JSON
\u30DE
Java
\u30DE
Lua
\u{30DE}
Matlab
char(12510)
Perl
"\x{30DE}"
PHP
\u{30de}
PostgreSQL
U&'\30DE'
PowerShell
`u{30DE}
Python
\u30DE
Ruby
\u{30de}
Rust
\u{30de}
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