Template:Editnotices/Page/Template:Contentious topics/alert
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 | This template employs intricate features of template syntax.
You are encouraged to familiarise yourself with its setup and parser functions before editing the template. If your edit causes unexpected problems, please undo it quickly, as this template may appear on a large number of pages. You can conduct experiments, and should test all major changes, in either this template's sandbox, the general template sandbox, or your user space before changing anything here. |
 | This template is used in system messages. Changes to it can cause immediate changes to the Wikipedia user interface. To avoid major disruption, any changes should be tested in the template's /sandbox or /testcases subpages, or in your own user subpage. The tested changes can be added to this page in a single edit. Please discuss changes at Template talk:Contentious topics before implementing them. |
 | Edits to this template, even trivial ones, are likely to break the associated system messages and filters. Please do not change this template unless you (i) are very sure of what you are doing and (ii) have checked the associated systems for code reliant on the text, functionality, or code you are changing. In particular, it is vital that you not change -- Derived from Template:Contentious topics/alert --. |