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Status: Verified (1)

RFC 9285, "The Base45 Data Encoding", August 2022

Errata ID: 7078
Status: Verified
Type: Editorial
Publication Format(s) : TEXT
Reported By: Nikolai Malykh
Date Reported: 2022-08-10
Verifier Name: RFC Editor
Date Verified: 2022-08-10

Section 4 says:

   QR codes have a limited ability to store binary data.  In practice,
   binary data have to be encoded in characters according to one of the
   modes already defined in the standard for QR codes.  The easiest mode
   to use in called Alphanumeric mode (see Section 7.3.4 and Table 2 of
   [ISO18004].  Unfortunately Alphanumeric mode uses 45 different
   characters which implies neither Base32 nor Base64 are very effective
   encodings.

It should say:

   QR codes have a limited ability to store binary data.  In practice,
   binary data have to be encoded in characters according to one of the
   modes already defined in the standard for QR codes.  The easiest mode
   to use in called Alphanumeric mode (see Section 7.3.4 and Table 2 of
   [ISO18004]).  Unfortunately Alphanumeric mode uses 45 different
   characters which implies neither Base32 nor Base64 are very effective
   encodings.

Notes:

Missing closing bracket.

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