search-duckduckgo-ssl-html.xml

<SearchPlugin xmlns="http://www.mozilla.org/2006/browser/search/" xmlns:os="http://a9.com/-/spec/opensearch/1.1/">
<os:ShortName>DuckDuckGo HTML (SSL)</os:ShortName>
<os:Description>DuckDuckGo HTML (SSL)</os:Description>
<os:InputEncoding>UTF-8</os:InputEncoding>
<os:Url type="text/html" method="POST" template="https://duckduckgo.com/html/" resultDomain="duckduckgo.com">
  <os:Param name="q" value="{searchTerms}"/>
</os:Url>
</SearchPlugin>