Quelltext der Seite Vorlage:Used in system

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'''This {{lcfirst:{{NAMESPACE}}}} is used {{#if:{{{1|}}}|{{{1}}}|in system messages}}.''' <br> Changes to it can cause immediate changes to the Wikipedia user interface. To avoid large-scale disruption, any changes should first be tested in this template's [[{{#switch: {{SUBPAGENAME}}
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   }}/sandbox|/sandbox]] or [[{{#switch: {{SUBPAGENAME}}
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   }}/testcases|/testcases]] subpage, or in your own [[wpen:Wikipedia:Subpages#How to create user subpages|user space]]. The tested changes can then be added in one single edit to this template. Please discuss any changes at {{#if:{{{2|}}}|[[{{{2}}}]]|the [[{{#switch: {{SUBPAGENAME}}
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   }}|talk page]]}} before implementing them.
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