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="Cahiers_Ivan_Tourgueniev,_Pauline_Viardot,_Maria_Malibran._№_26’2002." />
  </query-continue>
  <query>
    <allpages>
      <p pageid="6447" ns="0" title="Bazarov and Riazanov (Brumfield W.C.)" />
      <p pageid="4582" ns="0" title="Bicentenar Turgheniev (Ciupercă L.)" />
      <p pageid="4111" ns="0" title="Bog znaet : The Ethics of Omniscience in Russian Narrative, 1845–1870 (Dyne T.H.J.)" />
      <p pageid="534" ns="0" title="Brian Friel, Russia and Ireland: the adaptations and the canon (Costello V.)" />
      <p pageid="2574" ns="0" title="Briefwechsel, 1863–1880 (Flaubert G., Turgenev I.)" />
      <p pageid="2803" ns="0" title="C Тургеневым во Франции" />
      <p pageid="1547" ns="0" title="Cahiers Ivan Tourgueniev, Pauline Viardot, Maria Malibran. № 22’1998." />
      <p pageid="1546" ns="0" title="Cahiers Ivan Tourgueniev, Pauline Viardot, Maria Malibran. № 23’1999." />
      <p pageid="1545" ns="0" title="Cahiers Ivan Tourgueniev, Pauline Viardot, Maria Malibran. № 24’2000." />
      <p pageid="1544" ns="0" title="Cahiers Ivan Tourgueniev, Pauline Viardot, Maria Malibran. № 25’2001." />
    </allpages>
  </query>
</api>