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html - What are the allowed tags inside a <li>?

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replyed Oct 17, 2021 by 深蓝 (71.8m points)

TL;DR: an <li> can contain any element that is valid in <body>.

In the HTML 4.01 spec for lists you’ll find the relevant extract of the DTD:

<!ELEMENT LI - O (%flow;)* -- list item -->

This specifies that an <li> may contain flow content, which is the collection of all block and inline elements.

The HTML5 spec for an <li> is the same in that it also allows any flow content.

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