colon in footnote refs and backrefs introduces js error

[ellemenno]

clicking on a footnote forward link or backlink results in the following javascript error:

Uncaught Error: Syntax error, unrecognized expression: unsupported pseudo:

[ellemenno]

seems related to semantic tab module; see Semantic-Org/Semantic-UI#6750

[lubber-de]

Fixed in https://github.com/fomantic/Fomantic-UI by fomantic/Fomantic-UI#499