the child process did not exit cleanly.

hard-wired string.

better visible pattern than covering push & pull for each host-type).

Stratus VOS.

systems.

need to try to keep reading to see if we get an error or more data.

comments exactly match the variable names (making sure that
they will sort exactly the same way as the variables).

useful when talking to a 1.x client.

send & receive file-list functions.

different filesystem from the destination files.

SRC is expanded or word-split, so I removed that text and replaced
it with an explaination of how ':' differs from '::' & 'rsync://'.

in the error message.

overflow into a negative value (which is particularly important if
configure didn't find a real int64 type).

don't have off64_t.

makes it easy).

- If a too-long --temp-dir is specified when starting a daemon,
  omplain to the daemon-starting user, not later to the client.

does not.

sparse_files is disabled (because it conflicts with an
inplace update).