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>
    <allredirects garcontinue="Barsy_Irma|2522" />
  </query-continue>
  <query>
    <pages>
      <page pageid="961" ns="0" title="Berger Mihály" />
      <page pageid="1043" ns="0" title="Bloch Mór" />
      <page pageid="1095" ns="0" title="Bommersbach Lajos" />
      <page pageid="1982" ns="0" title="Gräfl Károly" />
      <page pageid="3989" ns="0" title="Prand János" />
      <page pageid="4112" ns="0" title="Reissmann Gizella" />
      <page pageid="5198" ns="0" title="Weidinger József" />
      <page pageid="5286" ns="0" title="Zsilinszky Endre" />
      <page pageid="6291" ns="0" title="Városi Könyvtár" />
      <page pageid="6292" ns="0" title="Balatonfüred Városi Könyvtár" />
    </pages>
  </query>
</api>