In typography, a thin space is a space character that is usually 1⁄5 or 1⁄6 of an em in width. It is used to add a narrow space, such as between nested quotation marks or to separate glyphs that interfere with one another.
In Unicode, thin space is encoded at U+2009 THIN SPACE (HTML
). Unicode's U+202F NARROW NO-BREAK SPACE (HTML
) is a non-breaking space with a width similar to that of the thin space.
In LaTeX and Plain TeX,
\thinspace produces a narrow, non-breaking space. Outside math formulas in LaTeX,
\, also produces a narrow, non-breaking space, but inside math formulas it produces a narrow, breakable space.
In some versions of Microsoft Word, the symbol dialog (often available via Insert > Symbol or Insert > Special Characters), has both the thin space and the narrow no-break space available for point-and-click insertion. In Word's Symbol dialog, under font = "(normal text)", they are found in subset = "General Punctuation", Unicode character 2009 and nearby. Other word processing programs have ways of producing a thin space.
|Look up thin space in Wiktionary, the free dictionary.|
- Knuth, Donald E. (1986) [Incorporates the final corrections made in 1996]. The TeXbook (PDF). Illustrations by Duane Bibby. Addison Wesley. pp. 5, 352. hdl:2027/mdp.49015000850066. ISBN 978-0-201-13447-6. LCCN 85-30845. OCLC 682395096. OL 7406778M. Archived (PDF) from the original on September 24, 2004.
- Braams, Johannes; et al. (October 1, 2015). The LaTeX 2ε Sources (PDF) (1.2 ed.). p. 79.
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