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"?>
    <allredirects garcontinue="Barsy_Irma" />
      <page pageid="702" ns="0" title="Bajcsy-Zsilinszky Endre" />
      <page pageid="714" ns="0" title="Bakonyvári Ildefonz" />
      <page pageid="725" ns="0" title="Balassa József" />
      <page pageid="6292" ns="0" title="Balatonfüred Városi Könyvtár" />
      <page pageid="6027" ns="0" title="Balatonfüredi Városi Könyvtár" />
      <page pageid="727" ns="0" title="Balatony Károly" />
      <page pageid="746" ns="0" title="Balla Mihály" />
      <page pageid="748" ns="0" title="Ballagi Mór" />
      <page pageid="798" ns="0" title="Barabás Gizella" />
      <page pageid="33" ns="0" title="Baranyai Lajos" />