foo
bar
&

a=b
>
pi: []

comment: []

sgml comment: []

Empty tag: [<span />][<span />]

Opening tag: {<span lang>]
Closing tag: [</span>]

Opening tag: {<span lang="value">]
Closing tag: [</span>]

Opening tag: {<span lang="value">]
Closing tag: [</span>]

Opening tag: {<span lang="value">]
Closing tag: [</span>]

Opening tag: {<span dir="val&#x22;ue">]
Closing tag: [</span>]

Bad tags:

-
&gt;
&gt;



&lt;A&gt; tags:

<div />

<div><span class="urlhost">[localhost]</span><a href="http://redirect?http%3A%2F%2Flocalhost%2F%3Ffoo%3Dbar%26bar%3Dfoo" target="_blank" title="http://localhost/?foo=bar&#x26;bar=foo">localhost</a></div>
<div><span class="urlhost">[localhost]</span><a href="http://redirect?http%3A%2F%2Flocalhost%2F%3Ffoo%3Dbar%26bar%3Dfoo" target="_blank" title="http://localhost/?foo=bar&#x26;bar=foo">localhost</a></div>
<div><span class="urlhost">[localhost]</span><a href="http://redirect?http%3A%2F%2Flocalhost%2F%3Ffoo%3D%22bar" target="_blank" title="http://localhost/?foo=&#x22;bar">localhost</a></div>
<div><span class="urlhost">[localhost]</span><a href="http://redirect?https%3A%2F%2Flocalhost" target="_blank" title="https://localhost">localhost</a></div>
<div><a href="http://mailto?nobody%40example%2Ecom%26subject%3Dfoo%26to%3Dnobody">nobody@example.com</a></div>
<div><a href="&#x3C;nobody@example.com&#x3E;">nobody@example.com</a></div>
<div><a>nobody@example.com</a></div>

Checking nesting (max 128):

<div>
<a><a><a><a><a><a><a><a><a><a><a><a><a><a><a><a>
<a><a><a><a><a><a><a><a><a><a><a><a><a><a><a><a>
<a><a><a><a><a><a><a><a><a><a><a><a><a><a><a><a>
<a><a><a><a><a><a><a><a><a><a><a><a><a><a><a><a>
<a><a><a><a><a><a><a><a><a><a><a><a><a><a><a><a>
<a><a><a><a><a><a><a><a><a><a><a><a><a><a><a><a>
<a><a><a><a><a><a><a><a><a><a><a><a><a><a><a><a>
<a><a><a><a><a><a><a><a><a><a><a><a><a><a>

</a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></a></div>

Checking script discarding:



Foobar.

Checking blockquote handling

<blockquote>
   <blockquote class="cite0"><div class="quotedtext">
     cite

     <blockquote>
        <blockquote class="cite1"><div class="quotedtext">
          cite
          <blockquote class="cite2"><div class="quotedtext">
            cite
            <blockquote class="cite0"><div class="quotedtext">
            cite
            </div></blockquote>
          </div></blockquote>
        </div></blockquote>
     </blockquote>
   </div></blockquote>
</blockquote>

Checking IMG

<img alt="Blocked image" />

<img src="&#x3C;internal&#x3E;" alt="Allowed image" />