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-continue>
    <alllinks galcontinue="BCAL_Calibration" />
  </query-continue>
  <query>
    <pages>
      <page pageid="16837" ns="0" title="B1pi monitoring dashboard schema" />
      <page pageid="6881" ns="0" title="B1pi tests Sep. 2011" />
      <page pageid="6880" ns="0" title="B1pi with GlueX Monte Carlo" />
      <page pageid="1575" ns="0" title="BCAL" />
      <page pageid="16239" ns="0" title="BCAL-Chiller.MPOD Interlock.jpg" />
      <page pageid="13849" ns="0" title="BCAL Action Items and Working Tasks" />
      <page pageid="1608" ns="0" title="BCAL Beam Test Plots, November 20, 2006" />
      <page pageid="1373" ns="0" title="BCAL Beam Tests" />
      <page pageid="1570" ns="0" title="BCAL Beam Tests 2006 - Analysis" />
      <page pageid="6988" ns="0" title="BCAL Beam Tests 2012" />
    </pages>
  </query>
</api>