Template:!!/doc

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This is an auxiliary template allowing one to encode "||" within template and parser function parameters. To get the symbol in final output this template is unnecessary, better use "|&#124" which is rendered the same. Use this template in parameter values of templates and parser functions of which the result is used in table syntax, since this requires the "real" two pipes character.

For additional details, see http://meta.wikimedia.org/wiki/Template:!!