<msgList>
 <head>
  <its:rules xmlns:its="http://www.w3.org/2005/11/its" version="2.0">
   <its:locNoteRule selector="//@alt" locNoteType="description">
    <its:locNote>This text will be displayed over the image.</its:locNote>
   </its:locNoteRule>
   <its:locNoteRule selector="//msg[@id='1']/img/@alt" locNoteType="alert">
    <its:locNote>Do not translate the word "Chobe"</its:locNote>
   </its:locNoteRule>
   <its:locNoteRule locNoteType="alert" selector="//msg[@id='DisableInfo']">
    <its:locNote>The variable {0} has three possible values: 'printer', 
    'stacker' and 'stapler options'.</its:locNote>
   </its:locNoteRule>
  </its:rules>
 </head>
 <body>
  <msg id="1">This is a hippoptamus: <img src="hippo.png" alt="Hippo in the Chobe River"/>.</msg>
  <msg id="2">This is an elephant: <img src="elephants.png" alt="Elephants taking a mud bath"/>.</msg>
  <msg id="DisableInfo">The {0} has been disabled.</msg>
 </body>
</msgList>