Sorry, something between OE and the clipboard doesn't work as
I expect it when composing plain/text mails. The final mail
has the subject "Spaces in quoted-strings". While I'm at it:
Dots in a quoted-string as in ".do..ts."@example can be also
"interesting" when they meet a local-part macro in RFC 4408,
the SHOULD in 2821(bis) 4.1.2 is no nonsense.
| a host that expects to receive mail SHOULD avoid defining
| mailboxes where the Local-part requires (or uses) the
| Quoted-string form or where the Local-part is case-sensitive.
| For any purposes that require generating or comparing
| Local-parts (e.g., to specific mailbox names), all quoted
| forms MUST be treated as equivalent and the sending system
| SHOULD transmit the form that uses the minimum quoting
| possible.
The NetNews RFC replaced the latter SHOULD by a MUST for the
special case of Message-IDs. And 2822upd-03 finishes it off
for the LHS of Message-IDs, I hope that -04 tackles the RHS.
Frank