%MACRO { }
^ Operator
 ^^^^^ Special
       ^ Operator
         ^ Operator
%! { }
^ Operator
 ^ Special
   ^ Operator
     ^ Operator
%@ { }
^ Operator
 ^ Special
   ^ Operator
     ^ Operator
%% { }
^ Operator
 ^ Special
   ^ Operator
     ^ Operator
% { }
^ Operator
  ^ Operator
    ^ Operator

( Braces )
^ Comment
  ^^^^^^ Comment
         ^ Comment
%MACRO { }
^ Operator
 ^^^^^ Special
       ^ Operator
         ^ Operator
%MACRO{ }
^ Operator
 ^^^^^^ Special
        ^ Operator
%MACRO{x }
^ Operator
 ^^^^^^^ Special
         ^ Operator
%MACRO{x }x
^ Operator
 ^^^^^^^ Special
         ^^ Operator
%MACRO { { { }
^ Operator
 ^^^^^ Special
       ^ Operator
         ^ Operator
           ^ Operator
             ^ Operator
%MACRO { } } }
^ Operator
 ^^^^^ Special
       ^ Operator
         ^ Operator
           ^ Operator
             ^ Operator
%MACRO { { } }
^ Operator
 ^^^^^ Special
       ^ Operator
         ^ Operator
           ^ Operator
             ^ Operator

%MACRO { x %NESTED { x } x }
^ Operator
 ^^^^^ Special
       ^ Operator
         ^ Type
           ^ Operator
            ^^^^^^ Special
                   ^ Operator
                     ^ Type
                       ^ Operator
                         ^ Type
                           ^ Operator

( Macro contents )
^ Comment
  ^^^^^ Comment
        ^^^^^^^^ Comment
                 ^ Comment
%MACRO {
^ Operator
 ^^^^^ Special
       ^ Operator
    BRK ADD2kr @label/label &sublabel
    ^^^ Keyword
        ^^^^^^ Keyword
               ^ Operator
                ^^^^^ Function
                     ^ Operator
                      ^^^^^ Function
                            ^ Operator
                             ^^^^^^^^ Function
    .label #12 #abcd $1 |100 ~lib.tal
    ^ Operator
     ^^^^^ Type
           ^ Operator
            ^^ Number
               ^ Operator
                ^^^^ Number
                     ^ Operator
                      ^ Number
                        ^ Operator
                         ^^^ Number
                             ^ Operator
                              ^^^^^^^ String
    "string %MACRO ( comment ) [ ]
    ^ Operator
     ^^^^^^ String
            ^ Operator
             ^^^^^ Special
                   ^ Comment
                     ^^^^^^^ Comment
                             ^ Comment
                               ^ Operator
                                 ^ Operator
}
^ Operator