Template:Used in system

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This template is used {{#if:|{{{1}}}|in system messages}}.
Changes to it can cause immediate changes to the Wikipedia user interface. {{#ifeq:Template|File||To avoid large-scale disruption, any changes should first be tested in this template's [[{{#switch: Used in system

   | doc | sandbox = Template:Used in system
   | #default =      Template:Used in system
  }}/sandbox|/sandbox]] or [[{{#switch: Used in system
   | doc | sandbox = Template:Used in system
   | #default =      Template:Used in system
  }}/testcases|/testcases]] subpage, or in your own user space. The tested changes can then be added in one single edit to this template.}} Please discuss any changes {{#if:|at [[{{{2}}}]]|on the [[{{#switch: Used in system
   | doc | sandbox = Template talk:Used in system
   | #default =      Template talk:Used in system

}}|talk page]]}} before implementing them.

File:Test Template Info-Icon - Version (2).svg Template documentation[create]

Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.
Please add categories to the /doc subpage. Subpages of this template.