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Diff for /src/usr.bin/mail/mail.1 between version 1.68 and 1.69

-version 1.68, 2014/11/24 22:30:16
+version 1.69, 2014/12/16 18:36:46
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  are not expanded when the mail is sent,
  but any reply returned to the machine will have the system wide
  alias expanded as all mail goes through an MTA.
+ .Ss Recipient address specifications
+ Recipient addresses (any of the
+ .Dq To ,
+ .Dq Cc
+ or
+ .Dq Bcc
+ header fields) are subject to expansion when the
+ .Ic expandaddr
+ option is set.
+ .Pp
+ An address may be expanded as follows:
+ .Bl -bullet -width Ds
+ .It
+ An address that starts with a pipe
+ .Pq Ql |
+ character is treated as a command to run.
+ The command immediately following the
+ .Ql |
+ is executed with the message as its standard input.
+ .It
+ An address that starts with a
+ .Ql +
+ character is treated as a folder.
+ .It
+ An address that contains a
+ .Ql /
+ character but no
+ .Ql \&! ,
+ .Ql % ,
+ or
+ .Ql @
+ characters is also treated as a folder.
+ .It
+ If none of the above apply, the recipient is treated as
+ a local or network mail address.
+ .El
+ .Pp
+ If the
+ .Ic expandaddr
+ option is not set (the default), no expansion is performed and
+ the recipient is treated as a local or network mail address.
  .Ss Network mail (ARPA, UUCP, Berknet)
  See
  .Xr mailaddr 7
-Line 920
+Line 961
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  .Nm mail
  to interpret a period alone on a line as the terminator
  of a message you are sending.
+ .It Ar expandaddr
+ Causes
+ .Nm mail
+ to expand message recipient addresses, as explained in the section
+ .Sx Recipient address specifications .
  .It Ar hold
  This option is used to hold messages in the system mailbox
  by default.