- Output the who_am_i() information in the socket read/write errors to
  make it a little clearer who is complaining about what (for those
  familiar with rsync, at least -- e.g. it will help when users report
  errors).

  that a client talking to a daemon server actually gets the error.
- If a daemon has a list of exclusions, apply that list to various
  options to ensure that an excluded file can't be affected.
- Fixed an arg-checking problem when --files-from got passed to a
  daemon.

side is expecting us to send them a files-from list, send the list
terminator before sending the error.

file (affects a daemon receiver only).

- Improved the "OUTPUT CHANGES" section.

happens in a modern rsync w/o --keep-dirlinks.

of keep_dirlinks if the current item is a directory.

the text that is output.

- Improved a few of the NEWS items.

that the module is "Unknown" (so the user can't probe to find unlisted
modules).

can't handle the case where the module name doesn't exactly match the
string the user provided.

rsync (because the generator would not have included this file).  Respond
with an exit.

the same file that we used for the stat() (in the parent routine).

to close_multiplexing_out().

from the other side via a multiplexed input, read the socket to see
if we get some errors that would explain why they went away.

  testing the right thing lower down (and so that future code doesn't
  always have to remember to save it off and restore it).
- Improved a chunk of link_dest code.
- Handle the removal of a non-regular file without so much duplicated
  code.

reading.

the batchfile and read_stream_flags() to read and twiddle the same
flags.  This ensures that the batchfile reading doesn't get confused
about what data to expect from the socket.