Problem:    Seachpair timeout test is flaky.
Solution:   Mark the test as flaky so it is retried.

Problem:    TIME_WITH_SYS_TIME is no longer supported by autoconf.
Solution:   Always include time.h.

Problem:    Various small issues.
Solution:   Various small improvments.

Problem:    Cannot build without the +channel feature. (Dominique Pellé)
Solution:   Add #ifdef around ch_log() calls. (closes #10598)

Problem:    Debugger test fails when run with valgrind.
Solution:   Wait longer when using valgrind.

Problem:    Running configure gives warnings for main() return type.
Solution:   Specify "int" return type.  Avoid a few more warnings.

Problem:    Function has confusing name.
Solution:   Rename tgetent_error() to invoke_tgetent().

Problem:    MacOS: build fails.
Solution:   Remove "#if 0" from timer_delete().

Problem:    :mkview test doesn't test much.
Solution:   Save the view with the folds closed. (James McCoy, closes #10596)