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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"?>
<api>
  <query-continue>
    <recentchanges rccontinue="20190910203517|4618" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="Computing Systems" pageid="67" revid="4591" old_revid="4487" rcid="4628" timestamp="2019-09-24T13:26:44Z" />
      <rc type="edit" ns="0" title="Trouble Shooting Guide" pageid="123" revid="4590" old_revid="4486" rcid="4627" timestamp="2019-09-23T17:24:34Z" />
      <rc type="edit" ns="0" title="Practical Calibration Tutorial" pageid="396" revid="4589" old_revid="4534" rcid="4626" timestamp="2019-09-18T16:32:47Z" />
      <rc type="edit" ns="0" title="Full Disk Simulations" pageid="399" revid="4588" old_revid="4587" rcid="4625" timestamp="2019-09-11T20:10:00Z" />
      <rc type="edit" ns="0" title="Full Disk Simulations" pageid="399" revid="4587" old_revid="4586" rcid="4624" timestamp="2019-09-11T18:24:52Z" />
      <rc type="edit" ns="0" title="Full Disk Simulations" pageid="399" revid="4586" old_revid="4585" rcid="4623" timestamp="2019-09-11T18:24:30Z" />
      <rc type="edit" ns="0" title="Full Disk Simulations" pageid="399" revid="4585" old_revid="4584" rcid="4622" timestamp="2019-09-11T18:24:07Z" />
      <rc type="edit" ns="0" title="Full Disk Simulations" pageid="399" revid="4584" old_revid="4578" rcid="4621" timestamp="2019-09-11T18:23:37Z" />
      <rc type="edit" ns="0" title="EOVSA Data Analysis Tutorial" pageid="309" revid="4583" old_revid="4582" rcid="4620" timestamp="2019-09-10T20:36:00Z" />
      <rc type="edit" ns="0" title="EOVSA Data Analysis Tutorial" pageid="309" revid="4582" old_revid="4581" rcid="4619" timestamp="2019-09-10T20:35:33Z" />
    </recentchanges>
  </query>
</api>