@label
^ Operator
 ^^^^^ Function
&sublabel
^ Operator
 ^^^^^^^^ Function

@label-label
^ Operator
 ^^^^^^^^^^^ Function
@label-la/bel ( `/` highlighted )
^ Operator
 ^^^^^^^^ Function
         ^ Operator
          ^^^ Function
              ^ Comment
                ^^^ Comment
                    ^^^^^^^^^^^ Comment
                                ^ Comment
@la/bel-la/bel ( Second `/` not highlighted )
^ Operator
 ^^ Function
   ^ Operator
    ^^^^^^^^^^ Function
               ^ Comment
                 ^^^^^^ Comment
                        ^^^ Comment
                            ^^^ Comment
                                ^^^^^^^^^^^ Comment
                                            ^ Comment
@
^ Operator
@/
^ Operator
 ^ Operator
@//
^ Operator
 ^ Operator
  ^ Function

&sublabel-sublabel
^ Operator
 ^^^^^^^^^^^^^^^^^ Function
&sublabel-subla/bel ( `/` not highlighted )
^ Operator
 ^^^^^^^^^^^^^^^^^^ Function
                    ^ Comment
                      ^^^ Comment
                          ^^^ Comment
                              ^^^^^^^^^^^ Comment
                                          ^ Comment
&
^ Operator
&/
^ Operator
 ^ Function