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>
    <alllinks galcontinue="Baphometh" />
  </query-continue>
  <query>
    <pages>
      <page pageid="7276" ns="0" title="B-Sides and Other Rarities" />
      <page pageid="7600" ns="0" title="BBC Radio 1" />
      <page pageid="27901" ns="0" title="BROKEN NEEDLE" />
      <page pageid="6889" ns="0" title="Babalon" />
      <page pageid="1504" ns="0" title="Baboon Rape Party" />
      <page pageid="10214" ns="0" title="Baby&#039;s on Fire" />
      <page pageid="2226" ns="0" title="Baby You&#039;re a Rich Man" />
      <page pageid="2278" ns="0" title="Backmasking in Marilyn Manson songs" />
      <page pageid="22849" ns="0" title="Bad Girl" />
      <page pageid="24429" ns="0" title="Bang Your Head" />
    </pages>
  </query>
</api>