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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>
    <allredirects garcontinue="Human_proof_that_completely_multiplicative_sequences_have_discrepancy_greater_than_2" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Escuelas" missing="" />
      <page ns="0" title="Finding A Suitable Gynecologist in Lake Murray SC" missing="" />
      <page pageid="590" ns="0" title="BK:Section 3" />
      <page pageid="21" ns="0" title="Coloring Hales-Jewett theorem" />
      <page pageid="351" ns="0" title="Computer proof that completely multiplicative sequences have discrepancy greater than 2" />
      <page pageid="55" ns="0" title="Corners" />
      <page pageid="20" ns="0" title="DHJ(3)" />
      <page pageid="9" ns="0" title="Density increment method" />
      <page pageid="387" ns="0" title="Deolalikar P vs NP paper" />
      <page pageid="30" ns="0" title="Equal-slices measure" />
    </pages>
  </query>
</api>