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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.
For backward compatibility, both the input and pattern string are trimmed of surrounding whitespace before processing begins. This means you cannot remove three instances of "the " from "the the the thing"; instead you will remove one instance of "the".
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 }}
FixSyntax to trim whitespace around sortkey value within DEFAULTSORT; Avoid reordering of duplicate {} IFD plugin 1.0.1.0: Make Edit Summary addition optional; CFD plugin 1.0.1.0: Make Edit Summary addition optional; Kingbotk AWB Plugin 2.3.2.0: Disactivated blp/activepol conversions (now done by general fixes)
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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).
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These unnecessary characters usually include whitespace characters, new line characters, comments, and sometimes block delimiters, which are used to add readability to the code but are not required for it to execute. Minification reduces the size of the source code, making its transmission over a network (e.g. the Internet) more efficient.