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>
<allusers aufrom="張子宜" />
</query-continue>
<query>
<allusers>
<u userid="1" name="丁志仁" />
<u userid="13" name="丁禾" />
<u userid="49" name="于小慧" />
<u userid="54" name="何秋麗" />
<u userid="15" name="劉國安" />
<u userid="34" name="劉甫仁" />
<u userid="45" name="吳易儒" />
<u userid="62" name="孫銘德" />
<u userid="61" name="張君溥" />
<u userid="68" name="張天安" />
</allusers>
</query>
</api>