call to map_file() until the block size was known).

  call to map_file() until the block size was known).
- Got rid of the setting of max_map_size.

  new def_window_size member variable.
- Got rid of max_map_size global (we use def_window_size now).

- Renamed the cleanup_fd* vars.

- A few spelling fixes.

the BATCH.sh file.

call (with extra arg).

  server-excluded file.
- If get_tmpname() fails we need to discard the update using
  receive_data().

characters and spaces in args, omit all the source args, omit the
include/exclude args if we can).

user specified a trailing '=VALUE' or put the value in a separate
arg.

write_sbuf(), and write_byte().

- Fixed the sentence describing how to read standard input with
  --read-batch.

symlinks and devices.

functions seemlessly work on fds that aren't for the main socket. This
involved changing some fd-variable names (to make them clearer), adding
io_set_sock_fds(), and making input buffering have a better enabled
flag (via an allocated buffer, just like the output buffering).  I also
got rid of the fd arg to some functions where the fd arg could only
specify the input or output fd for the socket (which we already know).

- Call io_set_sock_fds().

- Set max_map_size based on the current file's block size (so that
  map_ptr() is more efficient with large blocks).

of the unrelated MAX_MAP_SIZE.

- Improved the warning if a batch option gets sent to the server.

without first transferring the batch file.