build/ical.js
function check_set_position(aPos) {
      if (this.has_by_data('BYSETPOS')) {
        var idx = this.by_data.BYSETPOS.indexOf(aPos);
        // negative numbers are not false-y
        return idx !== -1;
      }
      return false;
    }
function check_set_position(aPos) {
      if (this.has_by_data('BYSETPOS')) {
        var idx = this.by_data.BYSETPOS.indexOf(aPos);
        // negative numbers are not false-y
        return idx !== -1;
      }
      return false;
    }
function check_set_position ( aPos ) { if ( this . has_by_data ( 'BYSETPOS' ) ) { var idx = this . by_data . BYSETPOS . indexOf ( aPos ) ; // negative numbers are not false-y return idx !== - 1 ; } return false ; }
Checks if given value is in BYSETPOS.

@private
@param {Numeric} aPos position to check for.
@return {Boolean} false unless BYSETPOS rules exist
and the given value is present in rules.
Checks if given value is in BYSETPOS .