RFC 4880, "OpenPGP Message Format", November 2007

Note: This RFC has been obsoleted by RFC 9580

Note: This RFC has been updated by RFC 5581

Errata ID: 7545
Status: Held for Document Update
Type: Editorial
Publication Format(s) : TEXT
Reported By: Raghu Saxena
Date Reported: 2023-06-16
Held for Document Update by: RFC Editor
Date Held: 2023-06-19

Section 6.2 says:

   The format of an Armor Header is that of a key-value pair.  A colon
   (':' 0x38) and a single space (0x20) separate the key and value.
   OpenPGP should consider improperly formatted Armor Headers to be
   corruption of the ASCII Armor.  Unknown keys should be reported to
   the user, but OpenPGP should continue to process the message.

It should say:

   The format of an Armor Header is that of a key-value pair.  A colon
   (':' 0x3A) and a single space (0x20) separate the key and value.
   OpenPGP should consider improperly formatted Armor Headers to be
   corruption of the ASCII Armor.  Unknown keys should be reported to
   the user, but OpenPGP should continue to process the message.

Notes:

0x3A is a colon -> ':' , whereas 0x38 is the character for the numeral eight -> '8'

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