updated for version 7.4.028
Problem:    Equivalence classes are not working for multi-byte characters.
Solution:   Copy the rules from the old to the new regexp engine. Add a test
	    to check both engines.
Added tag v7-4-028 for changeset 923738744a60
updated for version 7.4.029
Problem:    An error in a pattern is reported twice.
Solution:   Remove the retry with the backtracking engine, it won't work.
Added tag v7-4-029 for changeset 2d3fbc68b3a8
Add files missing from 7.4.028.
updated for version 7.4.030
Problem:    The -mno-cygwin argument is no longer supported by Cygwin.
Solution:   Remove the arguments. (Steve Hall)
Added tag v7-4-030 for changeset 0978e99043d2
updated for version 7.4.031
Problem:    ":diffoff!" resets options even when 'diff' is not set. (Charles
	    Cooper)
Solution:   Only resets related options in a window where 'diff' is set.
Added tag v7-4-031 for changeset b21b5dcdca21
updated for version 7.4.032
Problem:    NFA engine does not match the NUL character. (Jonathon Merz)
Solution:   Ues 0x0a instead of NUL. (Christian Brabandt)
Added tag v7-4-032 for changeset 71e92a1cb37d
Update runtime files.  Add support for J.
updated for version 7.4.033
Problem:    When the terminal has only 20 lines test 92 and 93 overwrite the
	    input file.
Solution:   Explicitly write test.out. Check that the terminal is large enough
	    to run the tests.  (Hirohito Higashi)
Added tag v7-4-033 for changeset 91f6a28e010d
updated for version 7.4.034
Problem:    Using "p" in Visual block mode only changes the first line.
Solution:   Repeat the put in all text in the block. (Christian Brabandt)
Added tag v7-4-034 for changeset 22dfcd1494e4
updated for version 7.4.035
Problem:    MS-Windows: The mouse pointer flickers when going from command
	    line mode to Normal mode.
Solution:   Check for WM_NCMOUSEMOVE. (Ken Takata)
Added tag v7-4-035 for changeset 5481f188dcbb
Fix problem with 'iskeyword' in CSS syntax.
updated for version 7.4.036
Problem:    NFA engine does not capture group correctly when using \@>. (ZyX)
Solution:   Copy submatches before doing the recursive match.