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>
    <allpages apcontinue="CubeSAT" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="788" ns="0" title="CTDPathSim: Cell line-tumor deconvoluted pathway-based similarity in the context of precision medicine in cancer" />
      <p pageid="831" ns="0" title="Capturing nutritional value at the point of consumption using accessible and inexpensive technologies" />
      <p pageid="3" ns="0" title="Characteristics of the (i,j)-Step Competition Graphs of Real Food Webs" />
      <p pageid="935" ns="0" title="Clinical report writing – Analysis of uncertainty terms and usage of medical ontologies" />
      <p pageid="7" ns="0" title="Cloud-Enabled Xinu Operating System" />
      <p pageid="547" ns="0" title="Comparing Two Models of HMPAO Uptake in the Lungs: Is a Compartmental Model Sufficient to Reliably Estimate Key Physiological Parameters" />
      <p pageid="768" ns="0" title="Completing Multicore, Embedded XINU" />
      <p pageid="663" ns="0" title="Complex Activity Recognition" />
      <p pageid="893" ns="0" title="Constructing User Profiles Based on Visited Websites" />
      <p pageid="823" ns="0" title="Creating Adversarial Examples for Machine Learning Models in Healthcare" />
    </allpages>
  </query>
</api>