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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    <querypage qpoffset="10" />
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  <query>
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      <results>
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        <page value="20131227072429" timestamp="2013-12-27T07:24:29Z" ns="0" title="Rock/partitions" />
        <page value="20140120085743" timestamp="2014-01-20T08:57:43Z" ns="0" title="Rock/maskrom/zh cn" />
        <page value="20140209111058" timestamp="2014-02-09T11:10:58Z" ns="0" title="Rock/ir/zh cn" />
        <page value="20140219150947" timestamp="2014-02-19T15:09:47Z" ns="0" title="Rock/FAQ/zh cn" />
        <page value="20140224045244" timestamp="2014-02-24T04:52:44Z" ns="0" title="How to make radxa as a WIFI AP and save the setting that enable WIFI-AP under android" />
        <page value="20140305030700" timestamp="2014-03-05T03:07:00Z" ns="0" title="Rock/ja JP" />
        <page value="20140325032101" timestamp="2014-03-25T03:21:01Z" ns="0" title="Rock/dual boot" />
        <page value="20140328014644" timestamp="2014-03-28T01:46:44Z" ns="0" title="Rock/vnc/zh cn" />
        <page value="20140329043927" timestamp="2014-03-29T04:39:27Z" ns="0" title="Rock/ubuntu/zh cn" />
      </results>
    </querypage>
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</api>