nl_tokens: Called when a reference to a class is made
pl_tokens: function ( className ) { let t = this ; // __classes will be null if analyseClasses has not formally been called; this would be if the //  analyser is only called externally for getClass() if ( ! t . __classes ) { t . __classes = [ ] ; } // Add it if ( t . __classes . indexOf ( className ) == - 1 ) { t . __classes . <mask> ( className ) ; } }