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>
    <allimages gaicontinue="212000046A-radino-RF69-868-EU-Conformity.pdf" />
  </query-continue>
  <query>
    <pages>
      <page pageid="101" ns="6" title="File:07-08-ICswift SAM7x256 Ethernet-Demo.zip" />
      <page pageid="99" ns="6" title="File:07-08-ICswift UART Demo.zip" />
      <page pageid="1036" ns="6" title="File:0A-ESP8266 Datasheet EN v4.3.pdf" />
      <page pageid="982" ns="6" title="File:20170607 ICflyAHRSII Configuration for ICflyMotorBoxConfigTool.png" />
      <page pageid="981" ns="6" title="File:20170607 ICflyMotorbox ConfigurationTool 1 0 8.png" />
      <page pageid="929" ns="6" title="File:212000013A001-USB-RS485 Bridge-EU-Conformity.pdf" />
      <page pageid="928" ns="6" title="File:212000042A001-ESP-ADCs-EU-Conformity.pdf" />
      <page pageid="927" ns="6" title="File:212000043A001-radino-WiFi-EU-Conformity.pdf" />
      <page pageid="926" ns="6" title="File:212000044A001-radino32-WiFi-EU-Conformity.pdf" />
      <page pageid="939" ns="6" title="File:212000045A-radino-RF69-433-EU-Conformity.pdf" />
    </pages>
  </query>
</api>