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="Basil_Timmermans|7562" />
  </query-continue>
  <query>
    <pages>
      <page pageid="8" ns="0" title="Centre culturel Braives-Burdinne" />
      <page pageid="6183" ns="0" title="Barras François Emile dit Hector ... en savoir plus" />
      <page pageid="7846" ns="0" title="Bacasable2" />
      <page pageid="7939" ns="0" title="Le Ban d&#039;Ouffet" />
      <page pageid="8750" ns="0" title="Decroupette-Barras-Jacquemart D85" />
      <page pageid="9923" ns="0" title="Harzimont Marie D237" />
      <page pageid="10936" ns="0" title="Baillet Léopold D205" />
      <page pageid="12622" ns="0" title="Bacasable 49" />
      <page pageid="12649" ns="0" title="Bacasable 41 Tigepirette" />
      <page pageid="15700" ns="0" title="Ouffet, rue de Temme, 42" />
    </pages>
  </query>
</api>