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>
    <images gimcontinue="440|DIN_Rail_CPU_10.jpg" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1041" ns="6" title="File:45 web.jpg" touched="2017-10-24T13:30:56Z" lastrevid="5163" counter="752" length="0" new="" />
      <page pageid="450" ns="6" title="File:ACDC-1.2 Printmodul.jpg" touched="2017-03-14T14:18:31Z" lastrevid="1364" counter="3041" length="0" new="" />
      <page pageid="885" ns="6" title="File:CP2104 45.jpg" touched="2017-02-09T13:50:15Z" lastrevid="3915" counter="3082" length="0" new="" />
      <page pageid="910" ns="6" title="File:Centipede 45 640.jpg" touched="2017-02-09T12:14:25Z" lastrevid="4173" counter="2845" length="0" new="" />
      <page pageid="917" ns="6" title="File:DIL-CY8C3666AXI-052 45.jpg" touched="2017-02-09T12:14:25Z" lastrevid="4205" counter="2450" length="0" new="" />
      <page pageid="918" ns="6" title="File:DIL-UC3A-Evalboard 45.jpeg" touched="2017-02-09T12:14:25Z" lastrevid="4218" counter="2812" length="0" new="" />
      <page pageid="914" ns="6" title="File:DILAT90USB162 45.jpg" touched="2017-02-09T12:14:25Z" lastrevid="4199" counter="2646" length="0" new="" />
      <page pageid="916" ns="6" title="File:DILAT90USB646 45.jpg" touched="2017-02-09T12:14:25Z" lastrevid="4202" counter="2727" length="0" new="" />
      <page pageid="594" ns="6" title="File:DIN Rail BUS Auskoppler.jpg" touched="2017-06-19T12:35:29Z" lastrevid="2180" counter="2346" length="0" new="" />
      <page pageid="593" ns="6" title="File:DIN Rail BUS Extender.png" touched="2017-06-19T12:35:29Z" lastrevid="2178" counter="2411" length="0" new="" />
    </pages>
  </query>
</api>