extra-mime-info.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mime-info [
  <!ELEMENT mime-info (mime-type)+>
  <!ATTLIST mime-info xmlns CDATA #FIXED "http://www.freedesktop.org/standards/shared-mime-info">

  <!ELEMENT mime-type (comment+, (acronym,expanded-acronym)? , (icon? | generic-icon? | glob | magic | treemagic | root-XML | alias | sub-class-of)*)>
  <!ATTLIST mime-type type CDATA #REQUIRED>

  <!-- a comment describing a document with the respective MIME type. Example: "WMV video" -->
  <!ELEMENT comment (#PCDATA)>
  <!ATTLIST comment xml:lang CDATA #IMPLIED>

  <!-- a comment describing the respective unexpanded MIME type acronym. Example: "WMV" -->
  <!ELEMENT acronym (#PCDATA)>
  <!ATTLIST acronym xml:lang CDATA #IMPLIED>

  <!-- a comment describing the respective expanded MIME type acronym. Example: "Windows Media Video" -->
  <!ELEMENT expanded-acronym (#PCDATA)>
  <!ATTLIST expanded-acronym xml:lang CDATA #IMPLIED>

  <!ELEMENT icon EMPTY>
  <!ATTLIST icon name CDATA #REQUIRED>

  <!-- a generic icon name as per the Icon Naming Specification, only required if computing
  it from the mime-type would not work, See "generic-icon" in the Shared Mime Specification -->
  <!ELEMENT generic-icon EMPTY>
  <!ATTLIST generic-icon name (application-x-executable|audio-x-generic|folder|font-x-generic|image-x-generic|package-x-generic|text-html|text-x-generic|text-x-generic-template|text-x-script|video-x-generic|x-office-address-book|x-office-calendar|x-office-document|x-office-presentation|x-office-spreadsheet) #REQUIRED>

  <!ELEMENT glob EMPTY>
  <!ATTLIST glob pattern CDATA #REQUIRED>
  <!ATTLIST glob weight CDATA "50">
  <!ATTLIST glob case-sensitive CDATA #IMPLIED>

  <!ELEMENT magic (match)+>
  <!ATTLIST magic priority CDATA "50">

  <!ELEMENT match (match)*>
  <!ATTLIST match offset CDATA #REQUIRED>
  <!ATTLIST match type (string|big16|big32|little16|little32|host16|host32|byte) #REQUIRED>
  <!ATTLIST match value CDATA #REQUIRED>
  <!ATTLIST match mask CDATA #IMPLIED>

  <!ELEMENT treemagic (treematch)+>
  <!ATTLIST treemagic priority CDATA "50">

  <!ELEMENT treematch (treematch)*>
  <!ATTLIST treematch path CDATA #REQUIRED>
  <!ATTLIST treematch type (file|directory|link) #IMPLIED>
  <!ATTLIST treematch match-case (true|false) #IMPLIED>
  <!ATTLIST treematch executable (true|false) #IMPLIED>
  <!ATTLIST treematch non-empty (true|false) #IMPLIED>
  <!ATTLIST treematch mimetype CDATA #IMPLIED>

  <!ELEMENT root-XML EMPTY>
  <!ATTLIST root-XML namespaceURI CDATA #REQUIRED>
  <!ATTLIST root-XML localName CDATA #REQUIRED>

  <!ELEMENT alias EMPTY>
  <!ATTLIST alias type CDATA #REQUIRED>

  <!ELEMENT sub-class-of EMPTY>
  <!ATTLIST sub-class-of type CDATA #REQUIRED>
]>
<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
  <mime-type type="application/vnd.ms-outlook">
    <comment>Microsoft Outlook PST file</comment>
    <generic-icon name="application-x-executable"/>
    <glob pattern="*.pst"/>
    <magic>
      <match value="\x21\x42\x44\x4e" type="string" offset="0"/>
    </magic>
  </mime-type>
</mime-info>