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The non-breaking space works within links exactly like a regular space. Thus you can link to [[J. R. R. Tolkien]] directly and it will render as J. R. R. Tolkien. The initials will not be separated across a line break. However, renders the source text harder to read and edit. Avoid using it unless it is really necessary to ...
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).
Many trim functions have an optional parameter to specify a list of characters to trim, instead of the default whitespace characters. For example, PHP and Python allow this optional parameter, while Pascal and Java do not. With Common Lisp's string-trim function, the parameter (called character-bag) is required.
The zero-width space (​), abbreviated ZWSP, is a non-printing character used in computerized typesetting to indicate where the word boundaries are, without actually displaying a visible space in the rendered text.
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.
The template trims whitespace from a string. Template parameters [Edit template data] Parameter Description Type Status String 1 The string to be trimmed of whitespace String required See also {{ remove border }}
In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference.
HTML provides four variations on space width and one fixed-width non-breaking space: <space>,  ,  , and   (all breaking); and (non-breaking). In a typewriter font, <space> will equal   , but will vary according to the font designer's specification in all other fonts, whether proportional or monospace.