Differences

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--- b2f:ascii [2025/02/12 15:44] – [Exchange with no new message] f4hof
+++ b2f:ascii [2025/02/21 13:40] (current) – [Pending mail proposal] f4hof
@@ Line 8: / Line 8: @@
   * All protocol command lines start in first column with the ''F'' character (''0x46'').
   * All protocol command lines are terminated by a Carriage Return (CR) character (''0x0d'').
+  *
+The ASCII Basic Protocol protocol MUST operate over a communication bearer which provides reliable and ordered delivery of at least 7-bit US-ASCII characters ([[https://en.wikipedia.org/wiki/8-bit_clean|8-bit clean]] channels satisfy this condition).
 ===== Commands =====
 ==== Pending mail proposal ====
@@ Line 19: / Line 20: @@
 ABNF Grammar:
-<code abnf>ASCII_MESG_TYPE     = "P" / "B" ; Type of message Private / Bulletin
+<code bnf>ASCII_MESG_TYPE     = "P" / "B" ; Type of message Private / Bulletin
 ASCII_MESG_FROM     = 1*VCHAR ; From field
 ASCII_MESG_RCPT_BBS = 1*VCHAR ; Recipient FQDN / BBS
@@ Line 27: / Line 28: @@
 ASCII_PEND_PROPOSAL = "F" "B" WSP ASCII_MESG_TYPE WSP  0x0D
-ASCII_PEND_PROMPT = "F" ">" 0x0D
+ASCII_PEND_CSUM = 0x20 2*2HEXDIG
+ASCII_PEND_PROMPT = "F" ">" [ ASCII_PEND_CSUM ] 0x0D
 ASCII_XFER_PEND = 1*5ASCII_PEND_PROPOSAL ASCII_PEND_PROMPT</code>
 ==== No message pending ====