{{ombox#invoke:High-use|main| type 1= content| text 2= '''This {{lcfirst:{{NAMESPACE2|}}}} is used |system={{#if:{{{1|}}}|{{{1}}}|in system messages}}.''' <brnoinclude> Changes to it can cause immediate changes to the Wikipedia user interface. {{#ifeq:{{NAMESPACENUMBER}}|6||To avoid large-scale disruption, any changes should first be tested in this {{lcfirst:{{NAMESPACE}}}}'s [[{{#switch: {{SUBPAGENAME}} | doc | sandbox nocat= {{SUBJECTSPACE}}:{{BASEPAGENAME}} | #default = {{SUBJECTPAGENAME}} }}true</sandbox|/sandbox]] or [[{{#switch: {{SUBPAGENAME}} | doc | sandbox = {{SUBJECTSPACE}}:{{BASEPAGENAME}} | #default = {{SUBJECTPAGENAME}} }}/testcases|/testcases]] subpage, or in your own [[Wikipedia:Subpages#How to create user subpages|user space]]. The tested changes can then be added in one single edit to this {{lcfirst:{{NAMESPACE}}}}.}} Please discuss any changes {{#if:{{{2|}}}|at [[{{{2}}}]]|on the [[{{#switch: {{SUBPAGENAME}} | doc | sandbox = {{TALKSPACE}}:{{BASEPAGENAME}} | #default = {{TALKPAGENAME}} }}|talk page]]}} before implementing them.noinclude>}}<noinclude> {{documentation}}<!-- Add categories and interwikis to the /doc subpage, not here! -->