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HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <allpages apcontinue="Setting_Up_Your_RLV_Folder" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="18" ns="0" title="Dealing with Ensembles" />
      <p pageid="19" ns="0" title="Dealing with Mesh or Prim Clothing" />
      <p pageid="6" ns="0" title="Enabling RLV in Firestorm" />
      <p pageid="3" ns="0" title="FAQ Wardrobe" />
      <p pageid="17" ns="0" title="Getting Started" />
      <p pageid="15" ns="0" title="How RLV Finds Your Items" />
      <p pageid="31327" ns="0" title="Main Page" />
      <p pageid="16" ns="0" title="Naming Your Folders" />
      <p pageid="20" ns="0" title="Recommended Additional Tools" />
      <p pageid="14" ns="0" title="Removing Clothing Before an Outfit Is Put On" />
    </allpages>
  </query>
</api>