install.rdf XML Parsing Error

[Romko-M]

SeaMonkey opening install.rdf says:
XML Parsing Error: not well-formed Location: file:///D:/Application%20trifles/SeaMonkey/Facebook%20issue/Polyfill/install.rdf Line Number 16, Column 76:
link rel="preconnect" href="https://github.githubassets.com" crossorigin

[garoto]

This repo purpose is now being developed at https://github.com/martok/palefill/