This fix tries to fix the bug reported by #24693 where an empty
line after escape will not be stopped by the parser.
This fix addresses this issue by stop the parser from continue
with an empty line after escape.
An additional integration test has been added.
This fix fixes#24693.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
Upstream-commit: 3e1b539e8d0ed4abf695b0a8c42346fba6d5a6b0
Component: engine
