- Implement --ignore-missing-args.
- In the absence of --*-missing-args, a missing source arg is an
  FERROR_XFER, but doesn't need to be an IOERR_GENERAL.
- Revise the man page.

in the symlink's path.  Added test cases.  This fixes bug #6151.

files on the receiver that don't exist on the sender.

recursion scan is still active.  Mention the output change more
prominently in the NEWS file.  Updated the --progress output in
the manpage, with mention of the new "ir-chk" string's meaning.

file.  Also made explicitly-set uid/gid values no longer ignored by a
daemon that was not run by a super-user.

of the iconv_open() function.  Implies --disable-iconv (which turns
off the --iconv option).  Fixes bug #6107.

happens prior to checking for the compiler.  Switched no-debug code
to setting ac_cv_prog_cc_g=no.  Fixes bug #6106.

"FIXME" comment that we don't need to fix.

shortening some code.  Improve comments and make other minor cleanups.
Based on a patch that Matt McCutchen posted to the mailing list.

This avoids a problem where an extra message from the sender
could give the generator time to start sending data that will
not be understood by the sender's use of read_msg_fd().

This avoids a transfer error in the receiver.

prefixed.  Fixes bug #6067.

Initialize both the Globals and Locals back to their default values
when reading the config.  This fixes a bug where locals set in the
global section were not getting reset to their default value if the
config item was removed from the file.

- global -> global_vars
- section -> local_vars
- global_and_section -> all_vars

a compiler warning that was just introduced.  Also avoids changing the
host string to lower-case in access.c (by using iwildmatch()).

(Bug #6020)