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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.
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<?xml version="1.0"?>
<api>
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    <alllinks galcontinue="Mathematical_Problems_of_Cybernetics" />
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  <query>
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      <page ns="0" title="Encoding mobile ambients into the pi-calculus" missing="" />
      <page ns="0" title="Equivalence Checking Problem for Finite State Transducers" missing="" />
      <page ns="0" title="Establishing Linux Driver Verification Processes" missing="" />
      <page ns="0" title="How to cook an automated system for Linux driver verification" missing="" />
      <page ns="0" title="Is it possible to unify sequential programs?" missing="" />
      <page pageid="655" ns="0" title="Boolean SAT/SMT Solvers for Software Engineering" />
      <page pageid="368" ns="0" title="C++ 11/14 и современные аспекты построения компиляторов" />
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