multi-field cut doesn't work as expected in legacy pipelines

[abliss]

abliss@localhost:$ echo "foo bar baz" | /usr/bin/cut -d' ' -f 1,3
foo baz
abliss@localhost:$ echo "foo bar baz" | cut -d' ' -f 1,3
foo abliss@localhost:$
abliss@localhost:$ echo "foo bar baz" | cut -d' ' -f 1,3 --multistream
foo abliss@localhost:$

[dspinellis]

The second case looks like a bug. The third case misses a way to gather the data. (But it should error, when closing the second output file descriptor.) The following works.

$ dgsh -c 'echo "foo bar baz" | cut -d" " --multistream -f 1,3 | paste'
foo     baz