[issue13698] Mailbox module should support other mbox formats in addition to mboxo

[endolith]

endolith <endolith at gmail.com> added the comment:

Ok.  I'm not sure what backwards compatibility issues would exist, though.

The only difference is that mboxrd converts
"\nFrom "  → "\n>From "
"\n>From " → "\n>>From "

making the conversion reversible, while mboxo does

"\nFrom "  → "\n>From "
"\n>From " → "\n>From " (no change)

which is ambiguous, and both get converted back to "\nFrom " when converting back to text, corrupting the original message.

mboxrd is essentially a bugfix for mboxo rather than a fundamentally different format.

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