Fix CodeSniffer violations

Remove whitespace from end of lines to reduce the number of CodeSniffer
violations.

Translation update (ko)

Translation update (ko)

This adds the parameter extraction code from the xhtml renderer to the
metadata renderer in order to not to include the parameters in the id
that is recorded as link target. A test case checks that the link is
actually returned as backlink (fails without the fix).

translation update

Translation update (ko)

Translation update (cs)

Translation update (pt)

Translation update (eo)

Translation update (pt-br)

Translation update (ne)

Translation update (ko)

Translation update (de)

Translation update (ko)

Translation update (ko)

Translation update (ko)

Translation update (fr)

Translation update (ko)

Translation update (ko)

Translation update (ru)