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<p title="&amp;">

The "&amp;"s below should have the same style as the one above:

<p title=&amp;>
<p title='&amp;'>
<p title= &amp; >

The following "&amp"s as well, but may indicate error:

<p title="&amp_">
<p title="&ampö">

The following should not have that style, and may indicate error:

<p title="&ampa">
<p title="&amp1">