su­pe­ri­ors – At­tach su­pe­rior fig­ures to a font fam­ily

The pack­age al­lows the at­tach­ment of an ar­bi­trary su­pe­rior fig­ures font to a font fam­ily that lacks one. (Su­pe­rior fig­ures are com­monly used as foot­note mark­ers.) Two su­pe­rior fig­ures fonts are pro­vided—one match­ing Times, the other match­ing Lib­er­tine.