Template:Refn/doc

Usage
Used to create references which contain references. How meta!

Parameters

 * ', ', or : The "outer" footnote, presumably of the explanatory sort, and its reference. Technically optional if and only if a name is specified, but people will look at you funny if you leave this out.
 * ' or ': What group of references this "outermore" footnote is to be in. Technically optional, but again, people will look at you funny if you don't.
 * ' or ': A name for the reference, which can be used for reusing it easily.

Example usages
With anonymous parameters: John hates turtles. With named parameters: John hates shrimp.