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>
    <allredirects garcontinue="究想の箱庭の計画一覧|1127" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1125" ns="0" title="Hakoniwa R.A.のコマンド一覧" />
      <page pageid="1131" ns="0" title="援助系コマンド" />
      <page pageid="1132" ns="0" title="派遣系コマンド" />
      <page pageid="1927" ns="0" title="スライム" />
      <page pageid="1947" ns="0" title="硬化" />
      <page pageid="1949" ns="0" title="港(曖昧さ回避)" />
      <page pageid="1991" ns="0" title="偽装海賊船" />
      <page pageid="1992" ns="0" title="幽霊船" />
      <page pageid="8673" ns="0" title="いのらSP" />
      <page pageid="8707" ns="0" title="宇宙ミサイル基地建設" />
    </pages>
  </query>
</api>