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="Premium_Coffee_Market_Positioning|3149" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2805" ns="0" title="Carbon Nanotube (CNT)" />
      <page pageid="2899" ns="0" title="Identification of Coffee Community" />
      <page pageid="3147" ns="0" title="Premium Coffee Market Positioning" />
      <page pageid="3506" ns="0" title="Botox-an invasive medical application" />
      <page pageid="3570" ns="0" title="Bio-fuels and Bio-materials database sample wiki" />
      <page pageid="3604" ns="0" title="Bio-fuels database sample wiki" />
      <page pageid="3763" ns="0" title="Bio-Pet" />
      <page pageid="4616" ns="0" title="Gastrointestinal Endoscopy - Market and Volume analysis" />
      <page pageid="4989" ns="0" title="Test page" />
      <page pageid="5095" ns="0" title="Dolcera Offerings Map" />
    </pages>
  </query>
</api>