'''This template {{lcfirst:{{NAMESPACE}}}} is used {{#if:{{{1|}}}|{{{1}}}|in system messages}}.''' <br> 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 template{{lcfirst:{{NAMESPACE}}}}'s [[{{#ifeqswitch:{{SUBPAGENAME}} |doc| sandbox = {{SUBJECTSPACE}}:{{BASEPAGENAME}} | #default = {{SUBJECTPAGENAME}} }}/sandbox|/sandbox]] or [[{{#ifeqswitch:{{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 template{{lcfirst:{{NAMESPACE}}}}. }} Please discuss any changes at {{#if:{{{2|}}}|at [[{{{2}}}]]|on the [[{{#ifeqswitch:{{SUBPAGENAME}} |doc| sandbox = {{TALKSPACE}}:{{BASEPAGENAME}} | #default = {{TALKPAGENAME}} }}|talk page]]}} before implementing them.