[whatwg] use cases for <figure> without <figcaption>?

[Smylers]

Steve Faulkner writes:

> What are the use cases for a <figure> without a <figcaption> ?

If a work has only one figure (or graph, map, code listing, whatever) in
it, then the surrounding text could say something like "see the graph"
and it'd be obvious what it's referring to, without the need for any
further label.

Or the content of a figure may intrinsically have a title embedded in it
already, such that an additional caption would be superfluous.

Smylers
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