<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>;