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A whitespace character is a character data element that represents white space when text is rendered for display by a computer. For example, a space character (U+0020 SPACE, ASCII 32) represents blank space such as a word divider in a Western script. A printable character results in output when rendered, but a whitespace character does not ...
A second common application of non-breaking spaces is in plain text file formats such as SGML, HTML, TeX and LaTeX, whose rendering engines are programmed to treat sequences of whitespace characters (space, newline, tab, form feed, etc.) as if they were a single character (but this behavior can be overridden).
The SI also prescribes the use of a space [24] (often typographically a thin space) as a thousands separator where required. Both the point and the comma are reserved as decimal markers. 1 000 000 000 000 (thin space) or 1000000 not 1,000,000 or 1.000.000 1 000 000 000 000 (regular space which is significantly wider)
White space in code is typically stored as whitespace characters. For a free-form language , indentation is exclusively for the programmer since a code processor (i.e. compiler , interpreter ) ignores whitespace characters.
Early English language guides by Jacobi in the UK [1] and MacKellar, Harpel, Bishop, and De Vinne in the US [2] specified that sentences would be separated by more space than that of a normal word space. Spaces between sentences were to be em-spaced, and words would normally be 1/3 em-spaced, or occasionally 1/2 em-spaced (see the illustration ...
Web browsers follow the HTML display specification and for programmers' convenience ignore runs of white space when displaying them. [5] This convention originally comes from the underlying SGML standard, which collapses multiple spaces because of the clear division between content and layout information. [6]
A Unicode character is assigned a unique Name (na). [1] The name is composed of uppercase letters A–Z, digits 0–9, hyphen-minus and space.Some sequences are excluded: names beginning with a space or hyphen, names ending with a space or hyphen, repeated spaces or hyphens, and space after hyphen are not allowed.
Standard word spaces were about one-third of an em space, but sentences were to be divided by a full em-space. With the arrival of the typewriter in the late 19th century, style guides for writers began diverging from printer's manuals, indicating that writers should double-space between sentences.