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="Braukaiser.com|1906" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Braukaiser.com" />
      <page pageid="1525" ns="0" title="Understanding Efficiency" />
      <page pageid="1551" ns="0" title="Troubleshooting Brewhouse Efficiency" />
      <page pageid="1811" ns="0" title="How to predict mash pH from beer color" />
      <page pageid="1831" ns="0" title="Alkalinity reduction with slaked lime" />
      <page pageid="1866" ns="0" title="How to read a water report" />
      <page pageid="1910" ns="0" title="Mash pH control" />
    </pages>
  </query>
</api>