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>
    <namespaces>
      <ns id="-2" case="first-letter" canonical="Media" xml:space="preserve">Media</ns>
      <ns id="-1" case="first-letter" canonical="Special" xml:space="preserve">Special</ns>
      <ns id="0" case="first-letter" content="" xml:space="preserve" />
      <ns id="1" case="first-letter" subpages="" canonical="Talk" xml:space="preserve">Talk</ns>
      <ns id="2" case="first-letter" subpages="" canonical="User" xml:space="preserve">User</ns>
      <ns id="3" case="first-letter" subpages="" canonical="User talk" xml:space="preserve">User talk</ns>
      <ns id="4" case="first-letter" subpages="" canonical="Project" xml:space="preserve">Pasco Public Knowledgebase</ns>
      <ns id="5" case="first-letter" subpages="" canonical="Project talk" xml:space="preserve">Pasco Public Knowledgebase talk</ns>
      <ns id="6" case="first-letter" canonical="File" xml:space="preserve">File</ns>
      <ns id="7" case="first-letter" subpages="" canonical="File talk" xml:space="preserve">File talk</ns>
      <ns id="8" case="first-letter" subpages="" canonical="MediaWiki" xml:space="preserve">MediaWiki</ns>
      <ns id="9" case="first-letter" subpages="" canonical="MediaWiki talk" xml:space="preserve">MediaWiki talk</ns>
      <ns id="10" case="first-letter" canonical="Template" xml:space="preserve">Template</ns>
      <ns id="11" case="first-letter" subpages="" canonical="Template talk" xml:space="preserve">Template talk</ns>
      <ns id="12" case="first-letter" subpages="" canonical="Help" xml:space="preserve">Help</ns>
      <ns id="13" case="first-letter" subpages="" canonical="Help talk" xml:space="preserve">Help talk</ns>
      <ns id="14" case="first-letter" canonical="Category" xml:space="preserve">Category</ns>
      <ns id="15" case="first-letter" subpages="" canonical="Category talk" xml:space="preserve">Category talk</ns>
      <ns id="90" case="first-letter" canonical="Thread" xml:space="preserve">Thread</ns>
      <ns id="91" case="first-letter" canonical="Thread talk" xml:space="preserve">Thread talk</ns>
      <ns id="92" case="first-letter" canonical="Summary" xml:space="preserve">Summary</ns>
      <ns id="93" case="first-letter" canonical="Summary talk" xml:space="preserve">Summary talk</ns>
      <ns id="100" case="first-letter" canonical="Procedures" xml:space="preserve">Procedures</ns>
      <ns id="101" case="first-letter" canonical="Procedures talk" xml:space="preserve">Procedures talk</ns>
      <ns id="102" case="first-letter" canonical="ESE" xml:space="preserve">ESE</ns>
      <ns id="103" case="first-letter" canonical="ESE talk" xml:space="preserve">ESE talk</ns>
      <ns id="106" case="first-letter" canonical="SS" xml:space="preserve">SS</ns>
      <ns id="107" case="first-letter" canonical="SS talk" xml:space="preserve">SS talk</ns>
      <ns id="108" case="first-letter" canonical="LD" xml:space="preserve">LD</ns>
      <ns id="109" case="first-letter" canonical="LD talk" xml:space="preserve">LD talk</ns>
      <ns id="110" case="first-letter" canonical="IMT" xml:space="preserve">IMT</ns>
      <ns id="111" case="first-letter" canonical="IMT talk" xml:space="preserve">IMT talk</ns>
      <ns id="112" case="first-letter" canonical="AUDIT" xml:space="preserve">AUDIT</ns>
      <ns id="113" case="first-letter" canonical="AUDIT talk" xml:space="preserve">AUDIT talk</ns>
      <ns id="114" case="first-letter" canonical="EBARM" xml:space="preserve">EBARM</ns>
      <ns id="115" case="first-letter" canonical="EBARM talk" xml:space="preserve">EBARM talk</ns>
      <ns id="116" case="first-letter" canonical="CTE" xml:space="preserve">CTE</ns>
      <ns id="117" case="first-letter" canonical="CTE talk" xml:space="preserve">CTE talk</ns>
      <ns id="118" case="first-letter" canonical="FNS" xml:space="preserve">FNS</ns>
      <ns id="119" case="first-letter" canonical="FNS talk" xml:space="preserve">FNS talk</ns>
      <ns id="120" case="first-letter" canonical="COMM" xml:space="preserve">COMM</ns>
      <ns id="121" case="first-letter" canonical="COMM talk" xml:space="preserve">COMM talk</ns>
      <ns id="122" case="first-letter" canonical="HR" xml:space="preserve">HR</ns>
      <ns id="123" case="first-letter" canonical="HR talk" xml:space="preserve">HR talk</ns>
      <ns id="126" case="first-letter" canonical="RANDE" xml:space="preserve">RANDE</ns>
      <ns id="127" case="first-letter" canonical="RANDE talk" xml:space="preserve">RANDE talk</ns>
      <ns id="128" case="first-letter" canonical="ECP" xml:space="preserve">ECP</ns>
      <ns id="129" case="first-letter" canonical="ECP talk" xml:space="preserve">ECP talk</ns>
      <ns id="130" case="first-letter" canonical="SSPS" xml:space="preserve">SSPS</ns>
      <ns id="131" case="first-letter" canonical="SSPS talk" xml:space="preserve">SSPS talk</ns>
      <ns id="132" case="first-letter" canonical="TRANSPORTATION" xml:space="preserve">TRANSPORTATION</ns>
      <ns id="133" case="first-letter" canonical="TRANSPORTATION talk" xml:space="preserve">TRANSPORTATION talk</ns>
      <ns id="134" case="first-letter" canonical="ER" xml:space="preserve">ER</ns>
    </namespaces>
  </query>
</api>