Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.
These tutorials explain how to edit
with wiki markup (Wikipedia's source code)
and with VisualEditor (a user-friendly interface).
This is a small template to summaries the contents of the "intro to" navigation page Help:introduction to. Can optionally be floated right or left.
{{intro to box|float=}}