RFC 7230, "Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing", June 2014Source of RFC: httpbis (app)
Errata ID: 4891
Status: Held for Document Update
Reported By: Mike Bishop
Date Reported: 2016-12-16
Held for Document Update by: Alexey Melnikov
Date Held: 2017-02-23
Section 3.2.6 says:
qdtext = HTAB / SP /%x21 / %x23-5B / %x5D-7E / obs-text
It should say:
qdtext = HTAB / SP / %x21 / %x23-5B / %x5D-7E / obs-text
Lack of space between the slash and the alternative makes it unclear that the slash isn't part of the next alternative.
Mark Nottingham: Not a bug, but certainly an improvement.