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>
<gadgets>
<gadget id="preview" desc="<a href="//en.wikipedia.org/wiki/ru:%D0%92%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%93%D0%B0%D0%B4%D0%B6%D0%B5%D1%82%D1%8B/Ajax-%D0%BF%D1%80%D0%B5%D0%B4%D0%BF%D1%80%D0%BE%D1%81%D0%BC%D0%BE%D1%82%D1%80" class="extiw" title="wikipedia:ru:Википедия:Гаджеты/Ajax-предпросмотр">Быстрый предпросмотр</a> с помощью <a href="//en.wikipedia.org/wiki/ru:AJAX" class="extiw" title="wikipedia:ru:AJAX">Ajax</a>">
<metadata>
<settings category="editing-gadgets">
<rights />
<skins />
</settings>
<module>
<scripts>
<script>Gadget-preview.js</script>
</scripts>
<styles />
<dependencies />
<messages />
</module>
</metadata>
</gadget>
<gadget id="ReferenceTooltips" desc="<a href="//www.mediawiki.org/wiki/Reference_Tooltips" class="extiw" title="mediawikiwiki:Reference Tooltips">Reference Tooltips</a>: Всплывающие подсказки при наведении курсора на сноски, не требующие перемещения на другое место страницы.">
<metadata>
<settings default="" category="interface-gadgets">
<rights />
<skins />
</settings>
<module>
<scripts>
<script>Gadget-ReferenceTooltips.js</script>
</scripts>
<styles>
<style>Gadget-ReferenceTooltips.css</style>
</styles>
<dependencies />
<messages />
</module>
</metadata>
</gadget>
<gadget id="DocTabs" desc="Создаёт вкладку «Заметки» у статей.">
<metadata>
<settings default="" category="interface-gadgets">
<rights />
<skins />
</settings>
<module>
<scripts>
<script>Gadget-DocTabs.js</script>
</scripts>
<styles />
<dependencies>
<dependency>site</dependency>
<dependency>mediawiki.api</dependency>
</dependencies>
<messages />
</module>
</metadata>
</gadget>
<gadget id="wikificator" desc="&lt;gadget-wikificator&gt;">
<metadata>
<settings default="" category="interface-gadgets">
<rights />
<skins />
</settings>
<module>
<scripts>
<script>Gadget-wikificator.js</script>
</scripts>
<styles />
<dependencies>
<dependency>site</dependency>
<dependency>mediawiki.api</dependency>
</dependencies>
<messages />
</module>
</metadata>
</gadget>
</gadgets>
</query>
</api>