function zz=sample(aa)
%%%%%%%%%%%%%%%%%%
% some comments
%%%%%%%%%%%%%%%%%%

x = "a string";    % some "ticks" in a comment
y = "a string with ""interal"" quotes";

x = 'a char array';    % some 'ticks' in a comment
y = 'a char array with ''interal'' quotes';

for i=1:20
  disp(i);
end

a = rand(30);
b = rand(30);

c = a .* b ./ a \ ... comment at end of line and continuation
    (b .* a + b - a);

c = a' * b';  % note: these ticks are for transpose, not quotes.

disp("a comment symbol, %, in a string");
disp('a comment symbol, %, in a char array');

!echo abc % this isn't a comment - it's passed to system command

function y=myfunc(x)
y = exp(x);

 {%
a block comment
 %}


function myfunc(s)
    a = 1;
end
