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>
    <alllinks alcontinue="Escuela_Rural_El_Cuarenta_-_16823500002217|1" />
  </query-continue>
  <query>
    <alllinks>
      <l fromid="1" ns="0" title="Centro Educativo Alto Grande - 26868900080307" />
      <l fromid="1" ns="0" title="Colegio Agropecuario Puente Sogamoso - 26857500021801" />
      <l fromid="1" ns="0" title="Colegio Departamental Integrado Nuestra Señora de Lourdes - 16809200017401" />
      <l fromid="1" ns="0" title="Colegio Integrado Camilo Torres - 16868900151101" />
      <l fromid="1" ns="0" title="Colegio Integrado Nuestra Señora de la Paz- 268092000209" />
      <l fromid="1" ns="0" title="Concentración Escolar María Goretti - 16857500032904" />
      <l fromid="1" ns="0" title="Escuela Industrial 20 de julio - 16857500041801" />
      <l fromid="1" ns="0" title="Escuela Rural Bellavista - 26823500064706" />
      <l fromid="1" ns="0" title="Escuela Rural Bocas del Rosario - 26857500070605" />
      <l fromid="1" ns="0" title="Escuela Rural Cinco Mil - 26868900072202" />
    </alllinks>
  </query>
</api>