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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. It is not as narrow as the hair space.

In Unicode, thin space is encoded at U+2009 THIN SPACE ( ,  ). Unicode's U+202F   NARROW NO-BREAK SPACE 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.^[1]^[2] Inside and outside of math formulae in LaTeX, \, also produces a narrow, non-breaking 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.

References

^ 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 from the original (PDF) on September 24, 2004. {{cite book}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
^ Braams, Johannes; et al. (October 1, 2015). The LaTeX 2_ε Sources (PDF) (1.2 ed.). p. 79.

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[1] 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 from the original (PDF) on September 24, 2004. {{cite book}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)

[2] Braams, Johannes; et al. (October 1, 2015). The LaTeX 2_ε Sources (PDF) (1.2 ed.). p. 79.

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 In [[Unicode]], thin space is encoded at {{unichar|2009|thin space|ulink=b:Unicode/Character_reference/2000-2FFF#ref THSP|html=}}. Unicode's {{unichar|202f|narrow no-break space|ulink=b:Unicode/Character reference/2000-2FFF#ref NNBSP|nlink=|html=}} is a [[non-breaking space]] with a width similar to that of the thin space.
-In [[LaTeX]] and [[Plain TeX]], <code><kbd>\thinspace</kbd></code> produces a narrow, [[non-breaking space]].<ref>{{cite book |first=Donald E. |last=Knuth |author-link=Donald E. Knuth |title=The TeXbook |publisher=Addison Wesley |date=1986 |orig-year=Incorporates the final corrections made in 1996 |pages=5, 352 |url=http://www.ctex.org/documents/shredder/src/texbook.pdf |archive-url=https://web.archive.org/web/20040924030027/http://www.ctex.org/documents/shredder/src/texbook.pdf |archive-date=September 24, 2004 |dead-url=no |others=Illustrations by Duane Bibby |format=PDF |hdl=2027/mdp.49015000850066 |isbn=978-0-201-13447-6 |lccn=85-30845 |oclc=682395096 |ol=7406778M |df= }}</ref><ref>{{cite book |first1=Johannes |last1=Braams |url=http://mirrors.ibiblio.org/CTAN/macros/latex/base/source2e.pdf#page=89 |title= The LaTeX 2<sub>ε</sub> Sources |date=October 1, 2015 |edition=1.2 |page=79 |display-authors=etal}}</ref> Outside of math formulae in LaTeX, <code><kbd>\,</kbd></code> also produces a narrow, non-breaking space, but inside math formulas it produces a narrow, breakable space.
+In [[LaTeX]] and [[Plain TeX]], <code><kbd>\thinspace</kbd></code> produces a narrow, [[non-breaking space]].<ref>{{cite book |first=Donald E. |last=Knuth |author-link=Donald E. Knuth |title=The TeXbook |publisher=Addison Wesley |date=1986 |orig-year=Incorporates the final corrections made in 1996 |pages=5, 352 |url=http://www.ctex.org/documents/shredder/src/texbook.pdf |archive-url=https://web.archive.org/web/20040924030027/http://www.ctex.org/documents/shredder/src/texbook.pdf |archive-date=September 24, 2004 |dead-url=no |others=Illustrations by Duane Bibby |format=PDF |hdl=2027/mdp.49015000850066 |isbn=978-0-201-13447-6 |lccn=85-30845 |oclc=682395096 |ol=7406778M |df= }}</ref><ref>{{cite book |first1=Johannes |last1=Braams |url=http://mirrors.ibiblio.org/CTAN/macros/latex/base/source2e.pdf#page=89 |title= The LaTeX 2<sub>ε</sub> Sources |date=October 1, 2015 |edition=1.2 |page=79 |display-authors=etal}}</ref> Inside and outside of math formulae in LaTeX, <code><kbd>\,</kbd></code> also produces a narrow, non-breaking space.
 In some versions of [[Microsoft Word]], the symbol [[dialog box|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.

Revision as of 20:08, 11 September 2019

See also

References