Linker::link() and Linker::linkKnown() functions are deprecated as of MediaWiki 1.28, and the new LinkRenderer is preferred instead.
https://doc.wikimedia.org/mediawiki-core/master/php/classLinker.html
./RevisionCommentSupplement/RevisionCommentSupplement.hook.php: Linker::linkKnown( ./RevisionCommentSupplement/special/SpecialRevisionCommentSupplement.php: $link = Linker::linkKnown( ./RevisionCommentSupplement/special/SpecialRevisionCommentSupplement.php: Linker::linkKnown( ./RevisionCommentSupplement/special/SpecialRevisionCommentSupplement.php: Linker::linkKnown( ./RevisionCommentSupplement/special/SpecialRevisionCommentSupplement.php: Linker::linkKnown( ./RevisionCommentSupplement/special/SpecialRevisionCommentSupplement.php: Linker::linkKnown( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementDelete.php: $link = Linker::link( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementHideHistory.php: $link = Linker::link( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementHideHistory.php: Linker::linkKnown( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementHideHistory.php: Linker::linkKnown( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementHideHistory.php: Linker::linkKnown( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementHideHistory.php: Linker::linkKnown( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementHistory.php: $hide = '(' . Linker::link( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementList.php: $link .= Linker::linkKnown( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementList.php: $link .= Linker::linkKnown( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementList.php: $link = Linker::linkKnown( ./RevisionCommentSupplement/special/ViewRevisionCommentSupplementList.php: return Linker::linkKnown(