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="Bauer_Bildmonitor_M2" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="4460" ns="0" title="Baby Sound 50N Projector" />
      <p pageid="6598" ns="0" title="Batacon Sound 100Projector" />
      <p pageid="6546" ns="0" title="Batacon Sound 100 Projector" />
      <p pageid="6599" ns="0" title="Batacon Sound 102 Duoplay Projector" />
      <p pageid="2784" ns="0" title="Bauer: S 207 XL: Disassembly" />
      <p pageid="3097" ns="0" title="Bauer: how to adjust S715XL meter" />
      <p pageid="4084" ns="0" title="Bauer 88E" />
      <p pageid="1118" ns="0" title="Bauer A 506" />
      <p pageid="1119" ns="0" title="Bauer A 508" />
      <p pageid="1120" ns="0" title="Bauer A 512 Profiset" />
    </allpages>
  </query>
</api>