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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="Conifer_Timber_Quality|170" />
  </query-continue>
  <query>
    <pages>
      <page pageid="87" ns="0" title="Conifer Timber Quality Model" />
      <page pageid="718" ns="0" title="CaseStudies" />
      <page pageid="723" ns="0" title="Summary Case Study Discussion Points for Nov 2011 Meeting" />
      <page pageid="732" ns="0" title="Case Study Ideas by WG" />
      <page pageid="733" ns="0" title="Nov 2011 Meeting Case Study Workplan" />
      <page pageid="933" ns="0" title="Case Study Committee" />
      <page pageid="1210" ns="0" title="Support land use planning in Flanders" />
      <page pageid="3056" ns="0" title="ComboBox vs. multiple values" />
      <page pageid="3390" ns="0" title="Case Study Committee Workplan" />
      <page pageid="3391" ns="0" title="Lessons Group Workplan" />
    </pages>
  </query>
</api>