Luis Filipe Nassif created TIKA-1554:
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             Summary: Improve EMF file detection
                 Key: TIKA-1554
                 URL: https://issues.apache.org/jira/browse/TIKA-1554
             Project: Tika
          Issue Type: Bug
          Components: detector
    Affects Versions: 1.7
            Reporter: Luis Filipe Nassif


I am getting many files being incorrectly detected as application/x-emf. I 
think the current magic is too common. According to MS documentation 
(https://msdn.microsoft.com/en-us/library/cc230635.aspx and 
https://msdn.microsoft.com/en-us/library/dd240211.aspx), it can be improved to:
{code}
<mime-type type="application/x-emf">
    <acronym>EMF</acronym>
    <_comment>Extended Metafile</_comment>
    <glob pattern="*.emf"/>
    <magic priority="50">
      <match value="0x01000000" type="string" offset="0">
        <match value=" EMF" type="string" offset="40"/>
      </match>
    </magic>
  </mime-type>
{code}



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