Difference between revisions of "Template:!"

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=== Usage ===
 
 
 
This is an auxiliary template allowing the encoding of "<code>|</code>" within template parameters. It 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>&amp;#124;</code>".
 
 
 
This template cannot be used for putting the character as text in a wiki table; in that case, again,  "<code>&amp;#124;</code>" can be used.
 
 
 
Note that no special template is needed for "<code>!</code>" (exclamation mark).
 
 
 
There may be issues with using "subst:" i.e. substituting in the template.
 
 
 
See [[Wikipedia:Template:!]] for more details.
 
 
 
This page taken from [[Wikipedia:Template:!]]
 
 
 
==See also==
 
* {{tl|equal sign}}
 
 
 
[[Category:Formatting and function templates]]
 
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Revision as of 22:25, 23 June 2017

|

!

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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 "&#124;".

This template cannot be used for putting the character as text in a wiki table; in that case, again, "&#124;" 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.|[[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., 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.|[[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.

Help:Template#Usage hints and workarounds

See also

  • {{!!}} creates ||
  • {{!-}} creates |-
  • {{-!}} creates &nbsp;|
  • {{'}} 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 {{
  • {{)}} creates }
  • {{))}} creates }}
  • {{!(}} creates [
  • {{)!}} creates ]
  • {{(!}} creates {|
  • {{!)}} creates |}
  • {{}} creates =
  • {{Bar box}} — since {{Bar}} redirects here

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