assign a unique id to each transaction that can be determined from
the queue file name.

handle folded lines in queue file properly

don't process core files; process headers properly when running queue.

make headers work properly when a message is queued up; this involves
expanding the header before it is written into the queue. However, it
also means that we don't have to store the macro definitio

make headers work properly when a message is queued up; this involves
expanding the header before it is written into the queue. However, it
also means that we don't have to store the macro definitions (?)

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know about continuation lines in queue files: necessary for headers

make "sleep" work correctly even in the face of other events; clean
up the queue processing: child queue runs now go away when done. more
debugging logging is needed to verify that this works right

make "sleep" work correctly even in the face of other events; clean
up the queue processing: child queue runs now go away when done. more
debugging logging is needed to verify that this works right though.

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don't give an error when the link fails -- another daemon could have
grabbed it

change debug level to a debug vector; add levels on logging (and the
-L flag); change logging to be by message-id; elevate message-id;
some lint-type cleanup

don't attempt delivery if you get an error reading the queue file.

be smarter about when to rerun the queue when you are in repeated
queue mode.

don't accidently unlink a null pointer in finis(); change the way
it decides whether to do the unlink.

improve configuration on timeout

put timeouts on net reads

arrange to not lose temporary queue control files (tf files)
if you interrupt a queue run process.

be paranoid about resetting the "FatalErrors" flag -- always reset
after forking for daemon or queue mode. This will prevent false error
return delivery.

make transcripts verbose always; misc. message cleanup, etc.

implement alias owner feature. this actually works for any user.
basically, if the alias owner-xxx exists, errors sending to xxx will be
sent to that alias rather than to the sender.

make temp files the correct modes in all cases

pass lint. notice that definitions in llib-lc have changed for
alarm() and sleep() calls {arg was unsigned, is now int}.

eliminate -V, -D, -p flags in favor of a single flag "-bx"
(be in mode x).

finish implementing envelopes. it's not completely clear to me that
this is really the way to go, but it seems clearly better than what
i had before. this delta includes many other minor changes, s

finish implementing envelopes. it's not completely clear to me that
this is really the way to go, but it seems clearly better than what
i had before. this delta includes many other minor changes, so it
should probably not be blithely removed.

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try to install envelopes. is this really worth it???

add "envelopes" to contain the basic information needed as control
info for each message. currently there is only one envelope -- this
being the obvious stupid conversion. later there will be separ

add "envelopes" to contain the basic information needed as control
info for each message. currently there is only one envelope -- this
being the obvious stupid conversion. later there will be separate
envelopes for error messages, return receipts, etc.

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Modified to use new directory access routines.

get queue scanning working correctly in conjunction with daemon mode