Template:!/doc: Difference between revisions
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=== Substitution === |
=== Substitution === |
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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 |
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 |
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[[ |
[[mediawikiwiki:Help:Extension:ParserFunctions#.23if|#if]] containing <nowiki>{{!}}</nowiki>. |
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=== A simple example === |
=== A simple example === |
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The following template code for {{tl|Quotation}} using an ordinary pipe character, |
The following template code for {{tl|Quotation}} using an ordinary pipe character, |
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* <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> |
* <code><nowiki>{{Quotation|It is not possible to use an ordinary pipe character | in template parameters, as it will be interpreted as a separator.|[[mediawikiwiki:Help:Template#Usage hints and workarounds]]}}</nowiki></code> |
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produces: |
produces: |
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{{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]]}} |
{{Quotation|It is not possible to use an ordinary pipe character | in template parameters, as it will be interpreted as a separator.|[[mediawikiwiki:Help:Template#Usage hints and workarounds]]}} |
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whereas this code using the <nowiki>{{!}}</nowiki> meta-template, |
whereas this code using the <nowiki>{{!}}</nowiki> meta-template, |
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* <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> |
* <code><nowiki>{{Quotation|It is not possible to use an ordinary pipe character {{!}} in template parameters, as it will be interpreted as a separator.|[[mediawikiwiki:Help:Template#Usage hints and workarounds]]}}</nowiki></code> |
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produces: |
produces: |
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{{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]]}} |
{{Quotation|It is not possible to use an ordinary pipe character {{!}} in template parameters, as it will be interpreted as a separator.|[[mediawikiwiki:Help:Template#Usage hints and workarounds]]}} |
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=== See also === |
=== See also === |
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Latest revision as of 10:27, 5 December 2011
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This is a documentation subpage for Template:!. It contains usage information, categories, interlanguage links and other content that is not part of the original template page. |
Usage
This is the {{!}} meta-template. Its use is analogous to an escape character.
This is an auxiliary template allowing the encoding of "|" 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 "|".
This template cannot be used for putting the character as text in a wiki table; in that case, again, "|" can be used.
Note that no special template is needed for "!" (exclamation mark).
This is a high-risk template, and it usually cannot be substituted (see conditions for substing on the section below).
Substitution
It is possible to substitute {{!}} only if an unescaped "|" works as expected, i.e. after substituting the template containing {{!}}, or after eliminating an
#if containing {{!}}.
A simple example
The following template code for {{Quotation}} using an ordinary pipe character,
{{Quotation|It is not possible to use an ordinary pipe character | in template parameters, as it will be interpreted as a separator.|[[mediawikiwiki:Help:Template#Usage hints and workarounds]]}}
produces:
It is not possible to use an ordinary pipe character — in template parameters, as it will be interpreted as a separator., mediawikiwiki:Help:Template#Usage hints and workarounds
whereas this code using the {{!}} meta-template,
{{Quotation|It is not possible to use an ordinary pipe character {{!}} in template parameters, as it will be interpreted as a separator.|[[mediawikiwiki:Help:Template#Usage hints and workarounds]]}}
produces:
in template parameters, as it will be interpreted as a separator.
See also
- {{!!}}
- {{!-}} creates |-
- {{-!}}
- {{broken bar}}
- {{'}} and related
- Wikipedia:Conditional tables
- {{pipe}} - Note that this one looks like {{!}} but has a very different meaning for the MediaWiki parser and thus has different functionality.
- {{(}} creates {
- {{((}} creates {{
- {{!(}}
- {{=}}
