wpautop() issue with lists

[Narc0tiq]

First of all, my sincere apologies if this is a duplicate.

The problem, in short: WordPress inserted a number of unclosed <p> tags into my post. It should either insert correctly closed tags, or none at all. I honestly would prefer the former.

In detail: I had HTML code very similar to this:

<ul>

<li>text<ul>

<li>subtext</li>

</ul>more text</li>

</ul>

This was automatically converted to:

<ul>

<li>text<ul>

<li>subtext</li>

</ul><p>more text</li>

</ul>

Note the extra <p> tag in the above, which is unclosed (making the W3C validator choke on my website).

Also note, I was not using the WYSIWYG editor (turning it off was the first thing I did), so it's unlikely to be due to that.

As a workaround, manually inserting properly closed <p> tags works just fine:

<ul>

<li>text<ul>

<li>subtext</li>

</ul><p>more text</p></li>

</ul>

Since this workaround exists, the bug is not very prioritary, but it should also (hopefully) be easy to fix.

Another work around is just to add in some line breaks:

<ul>
	<li>Some text!
		<ul>
			<li>More text!</li>
		</ul>
	</li>
</ul>

I take that back. I forgot the text after the first </ul> and even with more line breaks, it added in a <p>. My apologies.

This looks related to a test case I was preparing to demonstrate how flawed the output from wpautop can get inside lists:

<ol>
<li>
foo

bar
</li>
</ol>

renders as:

<ol> 
<li> 
foo</p> 
<p>bar
</li> 
</ol>

whereas I'd expect it to be

<ol> 
<li> 
<p>foo</p> 
<p>bar</p>
</li> 
</ol>

I'm changing the summary to generally cover wpautop's problems within <li> elements.