I have a fix for the missing/generic icon for those of you interested:
The new XML file is as follows:
Code:
<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/"
xmlns:moz="http://www.mozilla.org/2006/browser/search/">
<ShortName>McMaster-Carr</ShortName>
<Description>Searches McMaster-Carr</Description>
<InputEncoding>UTF-8</InputEncoding>
<Image width="16" height="16">data:image/x-icon;base64,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</Image>
<Url type="text/html" method="GET" template="http://www.mcmaster.com/#{searchTerms}">
</Url>
<Url type="application/x-suggestions+json" template="suggestionURL"/>
<moz:SearchForm>http://www.mcmaster.com</moz:SearchForm>
</OpenSearchDescription>
David, thanks for your original submission on this to get things started. I have really never used the search feature that much. Rather I use the bookmarks toolbar and new tabs all day long.