Issue #2911527 by harsha012, b_sharpe, Chris Burge, Manav, jibran, Waldoswndrwrld, christinlepson, vacho, mttsmmrssprks, nicholasThompson, Wim Leers, othermachines, Sutharsan: Allow dashes in Styles dropdown's element names

Issue #2633160 by nicholasThompson, tim.plunkett: Do not fail for missing context if a condition is negated

Issue #1027936 by webflo, nicholasThompson: Comment Preprocess sets a links class as a string, should be an array.