View source for Template:Frequently substituted

{{#invoke:unsubst|main|$B=
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| type  = style
| image = [[File:Ambox warning yellow.svg|40px|alt=Warning|link=]]
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'''This {{#switch:{{NAMESPACE}}|Module=Lua module|#default=template}} is substituted very frequently, so changes to it will be widely noticed.''' Please test any changes in the {{#switch:{{NAMESPACE}}|Module=module's|#default=template's}} [[{{#switch: {{SUBPAGENAME}}
    | doc | sandbox = {{SUBJECTSPACE}}:{{BASEPAGENAME}}
    | #default =      {{SUBJECTPAGENAME}}
   }}/sandbox|/sandbox]] or [[{{#switch: {{SUBPAGENAME}}
    | doc | sandbox = {{SUBJECTSPACE}}:{{BASEPAGENAME}}
    | #default =      {{SUBJECTPAGENAME}}
   }}/testcases|/testcases]] subpages{{#switch:{{NAMESPACE}}|Module=.|#default=, or in your own [[Wikipedia:Subpages#How to create user subpages|user subpage]].}} Please consider discussing changes {{#if:{{{2|}}}|at [[{{{2}}}]]|on the [[{{#switch: {{SUBPAGENAME}}
    | doc | sandbox = {{TALKSPACE}}:{{BASEPAGENAME}}
    | #default =      {{TALKPAGENAME}}
   }}|talk page]]}} before implementing them.
}}
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{{nosubst}}
==Usage==
Use on templates that are substituted very frequently.
==Parameters==
''No parameters.''  Just place {{tl|Frequent substitution}} on the template that is substituted frequently, such as block templates, user warning templates, and welcome templates to get the message above.
}}
[[Category:Documentation header templates]]
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