@trwnh Unless I'm mistaken it's part of the CGI spec not URI spec.
https://hachyderm.io/@dalias/113503319063865065
@dalias yeah i figured this out downthread -- it's HTML 2.0 forms and application/x-www-url-formencoded when the form method=get
CGI also popularized it as well, although CGI takes the opaque […]
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