If previous line ends with whitespace, or next line starts with whitepsace
we need to preserve a space otherwise things line:
RUN echo\
hello
will appear as: RUN echohello
Noticed this while looking at #5744 because he had lines ending in &&\
Signed-off-by: Doug Davis <dug@us.ibm.com>
Upstream-commit: f440c6b2246cc4cfac4c5d351172e209dca2c765
Component: engine
specified in a space delimited list.
Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)
Upstream-commit: a5ca549a18fb5c1006005cc220ab330eec3018de
Component: engine