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="Xnview|1286" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1283" ns="0" title="國語日報20100324-教室裡的溫暖" />
      <page pageid="1284" ns="0" title="國語日報20100324-緊張時刻" />
      <page pageid="1285" ns="0" title="國語日報20100324-樂當好幫手" />
      <page pageid="1831" ns="0" title="數學100學年小三下部編版教科書-單元03-分數-課本掃描" />
      <page pageid="1833" ns="0" title="數學100學年小三下部編版教科書-單元01-毫米-習作掃描" />
      <page pageid="2877" ns="0" title="Xmind 心智圖" />
      <page pageid="6639" ns="0" title="Dopdf" />
      <page pageid="6640" ns="0" title="Inpaint" />
      <page pageid="6641" ns="0" title="Photo Story for Windows" />
      <page pageid="6642" ns="0" title="PhotoCap" />
    </pages>
  </query>
</api>