<span class="hljs-comment">%{ evaluate_this = false; % Evaluated as regular single-line comment</span>
evaluate_this = <span class="hljs-built_in">true</span>;
<span class="hljs-comment">%}</span>

evaluate_this = <span class="hljs-built_in">true</span>;
<span class="hljs-comment">
%{
This is a multi-line comment
evaluate_this = false;
%{
%}
</span>
evaluate_this = <span class="hljs-built_in">true</span>;
<span class="hljs-comment">
%{
Opening (%{) and closing (%}) block comment markers can be within a comment block
%}
</span>
evaluate_this = <span class="hljs-built_in">true</span>;
<span class="hljs-comment">
    %{
    Indented block comments can be indented
or not
and whitespace can be added before or after the %{ and %}
  %}   
</span>
evaluate_this = <span class="hljs-built_in">true</span>;
