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>
    <allredirects garcontinue="BLTWG_Meeting_09/17/2012" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2112" ns="0" title="BCAL Low-Energy Photon Response" />
      <page pageid="13348" ns="0" title="BCAL Reconstruction Meeting 2014-12-12" />
      <page pageid="2100" ns="0" title="BCAL Stand-Alone Monte Carlo - energy resolution" />
      <page pageid="11910" ns="0" title="BCAL Startup Checkout List 2014" />
      <page pageid="9805" ns="0" title="BLTWG Meeting 01/07/2013" />
      <page pageid="12223" ns="0" title="BLTWG Meeting 04/14/2014" />
      <page pageid="18452" ns="0" title="BLTWG Meeting 04/14/2020" />
      <page pageid="20466" ns="0" title="BLTWG Meeting 06/08/2022" />
      <page pageid="4247" ns="0" title="BLTWG Meeting 07/27/2009" />
      <page pageid="5578" ns="0" title="BLTWG Meeting 08/23/2010" />
    </pages>
  </query>
</api>