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    Clever Geek Handbook

    Are there nested HTML lists?

    The HTML 4 spec treats the following as a deprecated example (search for "DEPRECATED EXAMPLE"):

    <UL>
     <LI> ... Level one, number one...
     <OL> 
        <LI> ... Level two, number one...
        <LI> ... Level two, number two...
        <OL start="10"> 
           <LI> ... Level three, number one...
        </OL> 
        <LI> ... Level two, number three...
     </OL> 
     <LI> ... Level one, number two...
</UL>

    Why is this example outdated?

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    2 answers


    The attribute was start

    deprecated     in HTML 4 (it was not deprecated in HTML 5 ). Everything else in this example is fine.



    +6


    source


    The specification details how to nest elements ul

    and ol

    . They must be enclosed in an element li

    like this:

    <ul>
    <li>
       <ol>
          <li>Hello there</li>
       </ol>
    </li>
</ul>


    However, in your example, the lists are not wrapped with a tag li

    , which means that this will cause HTML validation to fail.

    +5


    source






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