patch 8.0.0055

Problem:    Minor comment and style deficiencies.
Solution:   Update comments and fix style.

patch 8.0.0054

Problem:    On Windows job_stop() stops cmd.exe, not the processes it runs.
            (Linwei)
Solution:   Iterate over all processes and terminate the one where the parent
            is the job process. Now only when there is no job object.
            (Yasuhiro Matsumoto, closes vim#1203)

patch 8.0.0053

Problem:    No test for what 8.0.0047 fixes.
Solution:   Add a test. (Hirohito Higashi)

patch 8.0.0052

Problem:    Conceal test passes even without the bug fix.
Solution:   Add a redraw command. (Christian Brabandt)

patch 8.0.0051

Problem:    New code for job_stop() breaks channel test on AppVeyor.
Solution:   Revert the change.

patch 8.0.0050

Problem:    An exiting job is detected with a large latency.
Solution:   Check for pending job more often. (Ozaki Kiichi)  Change the
            double loop in mch_inchar() into one.

patch 8.0.0049

Problem:    When a match ends in part of concealed text highlighting, it might
            mess up concealing by resetting prev_syntax_id.
Solution:   Do not reset prev_syntax_id and add a test to verify. (Christian
            Brabandt, closes vim#1092)

patch 8.0.0048

Problem:    On Windows job_stop() stops cmd.exe, not the processes it runs.
            (Linwei)
Solution:   Iterate over all processes and terminate the one where the parent
            is the job process. (Yasuhiro Matsumoto, closes vim#1184)

patch 8.0.0047

Problem:    Crash when using the preview window from an unnamed buffer.
            (lifepillar)
Solution:   Do not clear the wrong buffer. (closes vim#1200)

patch 8.0.0046

Problem:    Using NUL instead of NULL.
Solution:   Change to NULL. (Dominique Pelle)