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Template documentation

This is an auxiliary template of the expansion demo templates.

It has as parameter {{{1}}} a piece of wikitext, and produces a piece of URL code for preloading the input window of Special:ExpandTemplates.

The core is {{urlencode:{{{1}}}}}. Newlines and various special codes such as *', ":", and "#" are treated separately.

It is called by Template:Xpd/w.