1<documentation title="Echoed Strings"> 2 <standard> 3 <![CDATA[ 4 Simple strings should not be enclosed in parentheses when being echoed. 5 ]]> 6 </standard> 7 <code_comparison> 8 <code title="Valid: Using echo without parentheses."> 9 <![CDATA[ 10echo<em> </em>"Hello"; 11]]> 12 </code> 13 <code title="Invalid: Using echo with parentheses."> 14 <![CDATA[ 15echo<em>(</em>"Hello"<em>)</em>; 16]]> 17 </code> 18 </code_comparison> 19</documentation> 20