Nowiki and preformatted in-line or block#
This is also refered to as unparsed or unprocessed text. No wiki markup is interpreted between these characters.
There's a difference between unprocessed text and preformatted text, however!
Unprocessed text is just that, not processed. Lines will still be wrapped, and therefore extra whitespace such as spaces, tabulators, and linebreaks will collapse to a single space in the output. Yes, linebreaks will also be ignored, because the Linebreaks rule will not be applied!
Preformatted text on the other hand is usually monospaced and all whitespace such as spaces, tabulators, and linebreaks will remain visible in the output.
(consensus)
{{{ preformatted text with linesbreaks }}}
See more Preformatted Samples.
(undecided)
{{{no wiki markup processing}}}
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Also see All Markup