For an explanation of the variables, please see the talk page

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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.
Remember that you can conduct experiments, and should test all improvements, in either the general Template sandbox or your user space before changing anything here.

Major note: This is not meant to be used for normal Wiki articles, as this may be subject to changes only relevant for user pages though I have no idea what.