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(Redirected from Zero width space)
The zero-width space (ZWSP) is a non-printing character used in computerized typesetting to indicate word boundaries to text processing systems when using scripts that do not use explicit spacing, or after characters (such as the slash) that are not followed by a visible space but after which there may nevertheless be a line break. Normally, it is not a visible separation, but it may expand in passages that are fully justified.[1]
In HTML pages, the zero-width space can be used as a potential line-break in long words as an alternative to the   element. However, the zero-width space is not supported in all web browsers such as old versions of Internet Explorer (versions 6 and earlier).[2]
To show the effect of the zero-width space, the following words have been separated with zero-width spaces:
And following words are not separated with these spaces:
On browsers supporting zero-width spaces, resizing the window will re-break the first text only at word boundaries, while the second text will not be broken at all.
The zero-width space character is encoded in Unicode as U+200B ZERO WIDTH SPACE (HTML ​).[3]
The TeX representation is \hskip0pt; the LaTeX representation is \hspace{0pt};[4] and the groff representation is \:.[5]
Its semantics and HTML implementation are similar to the soft hyphen.
Space (punctuation) – includes table comparing various space-like characters
Unicode Consortium, "Special Areas and Format Characters" (Chapter 16), The Unicode Standard, Version 5.2 full text
Victor H. Mair, Yongquan Liu, Characters and computers, IOS Press, 1991
^ The Unicode Standard 6.1, p. 366
^ "Archived copy". Archived from the original on December 14, 2010. Retrieved December 3, 2009.  CS1 maint: Unfit url (link)
^ "General Punctuation – Unicode" (PDF). Retrieved 2013-07-20.
^ "The LaTeX Companion. Chapter 3: Basic Formatting Tools" (PDF). Retrieved 2014-02-08.
^ "groff(7) - Linux manual page". Retrieved 2014-02-08.
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Last edited on 2 December 2016, at 21:05
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