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>
    <links plcontinue="1|0|KFLOP_C_Programs" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page">
        <links>
          <pl ns="0" title="ArcFacetingColinearTol" />
          <pl ns="0" title="Backlash Compensation" />
          <pl ns="0" title="Channels Channels Channels" />
          <pl ns="0" title="Driving Hobby Servos" />
          <pl ns="0" title="Geometric Correction" />
          <pl ns="0" title="How to convert a milling machine to a 3D printer in 3 easy steps" />
          <pl ns="0" title="How to install KMotion.exe and KMotion in Windows 10" />
          <pl ns="0" title="Information on BAXEDM Arc Generators used with KFLOP" />
          <pl ns="0" title="Internal/concave Path Tool Radius Compensation Example G41/G42" />
          <pl ns="0" title="Invoking C Programs with Execute Only for previously Downloaded Programs" />
        </links>
      </page>
    </pages>
  </query>
</api>