Do all 4 html doctype varients for the same text range
<!-- files which contain HTML within them, eg mime emails -->
<magic priority="40">
<match value="&lt;!DOCTYPE HTML" type="string" offset="0:64"/>
+ <match value="&lt;!DOCTYPE html" type="string" offset="0:64"/>
+ <match value="&lt;!doctype HTML" type="string" offset="0:64"/>
<match value="&lt;!doctype html" type="string" offset="0:64"/>
<match value="&lt;HEAD" type="string" offset="0:64"/>
<match value="&lt;head" type="string" offset="0:64"/>
<match value="&lt;title" type="string" offset="0"/>
<match value="&lt;h1" type="string" offset="0"/>
<match value="&lt;H1" type="string" offset="0"/>
- <match value="&lt;!doctype HTML" type="string" offset="0"/>
- <match value="&lt;!DOCTYPE html" type="string" offset="0"/>
<match value="&lt;html" type="string" offset="0:128"/>
</magic>
<magic priority="20">
