w3c 验证器给我：错误：范围内没有 p 元素，但看到了 ap 结束标记。 另一个问题我可以在另一个元素中嵌套一个块级元素吗？

Question

this is the part of the code that the error in and idont know what the fault did i do here ?

<ol>
<p>

    <li> <em> Markup </em>is just a text that has a special meaning also it tellls the browser what the text should look like or how its arranged 
    
</p> it says that this closing hasnt any opening tag

<p>

     <li> elements with no contents in it are called "void elements" or "empty elements" 
    
</p>
</ol>

Answer 1

Add </li> in the end of each <li> . Also inside the <ol> you do not need a <p>...</p>