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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.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <links plcontinue="9754|0|Petries_Diving_School_Kymi-Aliveri_Sporades_Islands" />
  </query-continue>
  <query>
    <pages>
      <page pageid="9754" ns="0" title="Main Page">
        <links>
          <pl ns="0" title="Atlantis Diving Athens Saronic Islands" />
          <pl ns="0" title="Diver to Diver Thassos North East Aegean" />
          <pl ns="0" title="Divers Club Marathon bay Cyclades" />
          <pl ns="0" title="Dolphin Diving Center Skiathos Sporades" />
          <pl ns="0" title="Extreme Divers Ilioupoli Saronic Islands" />
          <pl ns="0" title="Ionian Divers Corinthian Gulf" />
          <pl ns="0" title="Kalamos Divers Kymi-Aliveri Sporades Islands" />
          <pl ns="0" title="Navys Waterworld Dive Centre Santorini Cyclades" />
          <pl ns="0" title="Octopus Diving Center Skiathos Sporades" />
          <pl ns="0" title="Pelagos Dive Center Crete" />
        </links>
      </page>
    </pages>
  </query>
</api>