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>
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    <links gplcontinue="1|0|How_to_Use_CSV_Compose" />
  </query-continue>
  <query>
    <pages>
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      <page pageid="104" ns="0" title="FAQ:Email to SMS" touched="2013-12-19T03:04:20Z" lastrevid="313" counter="8357" length="507" />
      <page pageid="101" ns="0" title="FAQ:General Topics" touched="2013-12-19T03:05:10Z" lastrevid="316" counter="23567" length="11785" />
      <page pageid="105" ns="0" title="FAQ:Payments and Invoices" touched="2013-12-19T03:04:36Z" lastrevid="314" counter="7495" length="696" />
      <page pageid="103" ns="0" title="FAQ:SMS Replies / Receiving SMS" touched="2013-12-19T03:04:00Z" lastrevid="312" counter="8122" length="2856" />
      <page pageid="100" ns="0" title="FAQ:Sending SMS" touched="2013-12-19T03:04:55Z" lastrevid="315" counter="23010" length="1973" />
      <page pageid="102" ns="0" title="FAQ:Signing Up" touched="2014-08-28T09:19:33Z" lastrevid="333" counter="14248" length="853" />
      <page pageid="66" ns="0" title="How to Convert Microsoft Excel to CSV" touched="2013-12-13T09:30:36Z" lastrevid="206" counter="46463" length="2976" />
    </pages>
  </query>
</api>