patch 7.4.1284

Problem:    Test 49 fails.
Solution:   Check for a different error message.

patch 7.4.1283

Problem:    The job feature isn't available on MS-Windows.
Solution:   Add the job feature.  Fix argument of job_stop(). (Yasuhiro
            Matsumoto)

patch 7.4.1282

Problem:    Crash when evaluating the pattern of ":catch" causes an error.
            (Dominique Pelle)
Solution:   Block error messages at this point.

patch 7.4.1281

Problem:    No test for skipping over code that isn't evaluated.
Solution:   Add a test with code that would fail when not skipped.

patch 7.4.1280

Problem:    Missing case value.
Solution:   Add VAR_JOB.

patch 7.4.1279

Problem:    jsonencode() is not producing strict JSON.
Solution:   Add jsencode() and jsdecode().  Make jsonencode() and jsondecode()
            strict.

patch 7.4.1278

Problem:    When jsonencode() fails it still returns something.
Solution:   Return an empty string on failure.

patch 7.4.1277

Problem:    Compiler can complain about missing enum value in switch with some
            combination of features.
Solution:   Remove #ifdefs around case statements.

patch 7.4.1276

Problem:    Warning for not using return value of fcntl().
Solution:   Explicitly ignore the return value.

patch 7.4.1275

Problem:    Build fails on MS-Windows.
Solution:   Fix wrong #ifdef.