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The template returns a ''state of error'' (recognized as such by a wiki parser function), and optionally an ''error-message text'' in red (visible for the user).

=== Usage ===
* {{tlx|error|An exemplary error}} → {{error|An exemplary error}}
* Compare, used in a Parser Function: <code><nowiki>{{#expr:Foo}}</nowiki></code> → {{#expr:Foo}}
* <code><nowiki>{{#iferror:{{error|Foo}} | {{y}} | {{n}} }}</nowiki></code> → {{#iferror:{{error|Foo}} | {{y}} | {{n}} }}
===Tag option===
The tag to contain the error message can be given through the <code>tag</code> parameter, but it will only accept <code>span</code>, <code>div</code>, <code>p</code>, and <code>strong</code>, since those are the only tags recognized by the <code>#iferror</code> parser function. It defaults to <code>strong</code>, the tag generated e.g. by <code>#expre</code>. To prevent <code>strong</code> message, use one of the other tags, e.g. <code>tag=span</code>.

* ABC {{tlx|error|An exemplary error demo no tag (default)}} XYZ → ABC {{error|An exemplary error demo no tag (default)}} XYZ 
* ABC <nowiki>{{error|An exemplary error demo span|tag=span}}</nowiki> XYZ → ABC {{error|An exemplary error demo span|tag=span}} XYZ
* ABC <nowiki>{{error|An exemplary error demo div|tag=div}}</nowiki> XYZ → ABC {{error|An exemplary error demo div|tag=div}} XYZ
* ABC <nowiki>{{error|An exemplary error demo p|tag=p}}</nowiki> XYZ → ABC {{error|An exemplary error demo p|tag=p}} XYZ
* ABC <nowiki>{{error|An exemplary error demo strong|tag=strong}}</nowiki> XYZ → ABC {{error|An exemplary error demo strong|tag=strong}} XYZ

=== See also ===


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