You are looking at the HTML representation of the XML format.
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>
    <pages>
      <page pageid="10" ns="0" title="EOVSA: Gain Control" />
      <page pageid="11" ns="0" title="EOVSA Total Power Calibration" />
      <page pageid="12" ns="0" title="EOVSA: Frequency Tuning" />
      <page pageid="49" ns="0" title="Attenuator Gain Calibration" />
      <page pageid="102" ns="0" title="Basic Git(hub) Tutorial" />
      <page pageid="113" ns="0" title="Polarization Mixing Correction" />
    </pages>
  </query>
</api>