Wave dash

Wave dash (〜, Unicode U+301C) is a fullwidth character represented in Japanese character encoding, usually used to represent a range.

Vertical wave dash ( )

Wave dash is also written in vertical text layout. Vertical wave dash is the vertical form by rotation and flip in Unicode and JIS C 6226.[1][2]

See also

• Dash#Swung dash
• Tilde#Unicode and Shift JIS encoding of wave dash
• Japanese punctuation#Wave dash

Code reference

Wave dash in Character sets standards

Standard	Release	Code-Point Ku-Ten / Ku-Men-Ten	Glyph	Note
Unicode 1.0	1991	U+301C WAVE DASH		The glyph was different from the original JIS C 6226 or JIS X 0208.
Unicode 8.0	2015	U+301C WAVE DASH		The glyph was fixed in Errata fixed in Unicode 8.0.0, The Unicode Consortium, 6 Oct 2014
JIS C 6226	1978	1-33		The wave was not stressed this much.[3]
JIS X 0208	1990	1-33
JIS X 0213	2000	1-1-33

Wave dash in each encode[4]

Encode	code	Note
ISO 2022-JP	0x2141
Shift JIS	0x8160
EUC-JP	0xA1C1	(= 0x2141 + 0x8080)
UTF-8	0xE3809C

References

1. Ken Lunde (1999). CJKV Information Processing: Chinese, Japanese, Korean & Vietnamese Computing. "O'Reilly Media, Inc.". pp. 345–346, 348. ISBN 978-1-56592-224-2.
2. Unicode Vertical Text Layout, Table 4. Glyph Changes for Vertical Orientation: www.unicode.orgCS1 maint: location (link)
3. Katsuhiro Ogata, History of wave dash in several standards (in Japanese), http://internet.watch.impress.co.jp/docs/special/20150307_691658.html: Internet WatchCS1 maint: location (link)
4. JIS X 0208 (1990) to Unicode, www.unicode.org, 1994