RFC 3196, "Internet Printing Protocol/1.1: Implementor's Guide", November 2001

Errata ID: 3010
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Michael Sweet
Date Reported: 2011-11-02
Verifier Name: Peter Saint-Andre
Date Verified: 2011-11-12

Section 7.1 says:

User-Agent     not      not

It should say:

User-Agent     may      not

Notes:

User-Agent identifies the client software to the Printer, which may in fact be useful for implementing workarounds, etc.

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