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HTML is good for debugging, but is unsuitable for application use.
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To see the non HTML representation of the XML format, set format=xml.
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<?xml version="1.0"?>
    <allfileusages gafcontinue="Bandeau-retraite-EN.png|4495" />
      <page pageid="2209" ns="0" title="Autopano Tour" />
      <page pageid="2285" ns="0" title="APT v1.0 Hotspots editor window" />
      <page pageid="2287" ns="0" title="APT v1.0 3D Editor Window" />
      <page pageid="5635" ns="0" title="Understanding the RMS value" />
      <page pageid="6231" ns="0" title="Understanding the RMS value - 370" />
      <page pageid="6902" ns="0" title="GoPro VR Player - Getting started" />