const github.com/yuin/goldmark/extension.optFootnoteBacklinkClass

3 uses

	github.com/yuin/goldmark/extension (current package)
		footnote.go#L319: 	case optFootnoteBacklinkClass:
		footnote.go#L448: const optFootnoteBacklinkClass renderer.OptionName = "FootnoteBacklinkClass"
		footnote.go#L455: 	c.Options[optFootnoteBacklinkClass] = o.value

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