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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="George_Williamson_on_Glasgow_1960&#039;s_Anarchist_scene" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="49" ns="0" title="Charlie and Molly Baird" />
      <p pageid="37" ns="0" title="Clydeside Apprentices&#039; Strike 1937" />
      <p pageid="39" ns="0" title="Clydeside Apprentices Strike 1952" />
      <p pageid="41" ns="0" title="Counter Information" />
      <p pageid="17" ns="0" title="David Carruthers" />
      <p pageid="12" ns="0" title="Ethel MacDonald" />
      <p pageid="35" ns="0" title="Fight for Freedom of Speech on the Green" />
      <p pageid="33" ns="0" title="First World War Peace Movement" />
      <p pageid="9" ns="0" title="Frank Leech" />
      <p pageid="8" ns="0" title="George (Ballard) Barrett" />
    </allpages>
  </query>
</api>