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− | {{ | + | {{Documentation subpage}} |
− | + | <!-- DO NOT move the "pp-template" to the template page since the ! template should be as short as possible to save server load (to not break template inclusion limits). --> | |
− | + | {{high-risk|2,500,000+}} | |
+ | __NOTOC__ | ||
− | + | == Usage == | |
− | + | This is the {{t<noinclude>n</noinclude><includeonly>l</includeonly>|!}} meta-template. Its use is analogous to an [[escape character]]. | |
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− | [[ | + | |
− | + | This is an auxiliary template allowing the encoding of "<code>|</code>" within template parameters, because the pipe character is normally interpreted as a separator. This template is necessary if the character is used in wiki table syntax, or if the parameter is automatically wikilinked and you wish to use a pipe to specify different link text from the target page name. In other cases it is better to use "<code>&#124;</code>". | |
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− | + | This template cannot be used for putting the character as text in a wiki table; in that case, again, "<code>&#124;</code>" can be used. | |
− | + | ||
− | + | Note that no special template is needed for "<code>!</code>" (exclamation mark). | |
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− | + | This is a [[WP:high-risk template|high-risk template]], and it usually cannot be [[Wikipedia:Substitution|substituted]] (see conditions for substing on [[#Substitution|the section below]]). | |
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− | + | === Substitution === | |
− | + | It is possible to [[Wikipedia:Substitution|substitute]] <nowiki>{{!}}</nowiki> only if an unescaped "'''<code>|</code>'''" works as expected, i.e. after substituting the template containing <nowiki>{{!}}</nowiki>, or after eliminating an | |
− | + | [[mw:Help:Extension:ParserFunctions#.23if|#if]] containing <nowiki>{{!}}</nowiki>. | |
− | + | ||
− | + | === A simple example === | |
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− | + | The following template code for {{tl|Quotation}} using an ordinary pipe character, | |
− | + | * <code><nowiki>{{Quotation|It is not possible to use an ordinary pipe character | in template parameters, as it will be interpreted as a separator.|[[Help:Template#Usage hints and workarounds]]}}</nowiki></code> | |
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− | + | produces: | |
− | + | {{Quotation|It is not possible to use an ordinary pipe character | in template parameters, as it will be interpreted as a separator.|[[Help:Template#Usage hints and workarounds]]}} | |
− | + | ||
− | + | whereas this code using the <nowiki>{{!}}</nowiki> meta-template, | |
− | + | * <code><nowiki>{{Quotation|It is not possible to use an ordinary pipe character {{!}} in template parameters, as it will be interpreted as a separator.|[[Help:Template#Usage hints and workarounds]]}}</nowiki></code> | |
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− | + | produces: | |
− | + | {{Quotation|It is not possible to use an ordinary pipe character {{!}} in template parameters, as it will be interpreted as a separator.|[[Help:Template#Usage hints and workarounds]]}} | |
− | [[ | + | |
− | + | == See also == | |
− | + | * {{tl|!!}} creates || | |
− | + | * {{tl|!-}} creates |- | |
− | + | * {{tl|-!}} creates &nbsp;| | |
− | + | * {{tn|'}} and related | |
− | + | * [[Wikipedia:Conditional tables]] | |
− | + | * {{tl|pipe}} - Note that this one looks like {{tlf|!}} but has a very different meaning for the MediaWiki parser and thus has different functionality. | |
− | + | * {{tn|(}} creates { | |
− | + | * {{tn|((}} creates {{ | |
− | + | * {{tn|)}} creates } | |
− | + | * {{tn|))}} creates }} | |
− | + | * {{tl|!(}} creates [ | |
− | + | * {{tl|)!}} creates ] | |
− | + | * {{tl|(!}} creates {| | |
− | + | * {{tl|!)}} creates |} | |
− | + | * {{tl|1==}} creates = | |
− | + | * {{tl|Bar box}} — since {{tl|Bar}} redirects here | |
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− | + | <includeonly> | |
− | + | [[Category:Template namespace templates]] | |
− | + | [[Category:Wikipedia formatting and function templates]] | |
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</includeonly> | </includeonly> |