updated for version 7.3.1110
Problem:    New regexp matching: Using \@= and the like can be slow.
Solution:   Decide whether to first try matching the zero-wdith part or what
	    follows, whatever is more likely to fail.
Added tag v7-3-1110 for changeset 3849c811cc0b
updated for version 7.3.1111
Problem:    nfa_recognize_char_class() implementation is inefficient.
Solution:   Use bits in an int instead of chars in a string. (Dominique Pelle)
Added tag v7-3-1111 for changeset 43de4ebbe7ad
updated for version 7.3.1112
Problem:    New regexp engine: \%V not supported.
Solution:   Implement \%V.  Add tests.
Added tag v7-3-1112 for changeset 749e2b2755d5
updated for version 7.3.1113
Problem:    New regexp engine: \%'m not supported.
Solution:   Implement \%'m.  Add tests.
Added tag v7-3-1113 for changeset 0798b096bab3
updated for version 7.3.1114
Problem:    Can't build without the syntax feature.
Solution:   Add #ifdefs. (Erik Falor)
Added tag v7-3-1114 for changeset 532c31f9e92f
updated for version 7.3.1115
Problem:    Many users don't like the cursor line number when 'relativenumber'
	    is set.
Solution:   Have four combinations with 'number' and 'relativenumber'.
	    (Christian Brabandt)
Added tag v7-3-1115 for changeset 3f2319a953b3
updated for version 7.3.1116
Problem:    Can't build without Visual mode.
Solution:   Add #ifdefs.
Added tag v7-3-1116 for changeset 66a9e8fa6f45
updated for version 7.3.1117
Problem:    New regexp engine: \%[abc] not supported.
Solution:   Implement \%[abc].  Add tests.
Added tag v7-3-1117 for changeset 97560c16ca99
updated for version 7.3.1118
Problem:    Match failure rate is not very specific.
Solution:   Tune the failure rate for match items.
Added tag v7-3-1118 for changeset 6a706ca7a889
updated for version 7.3.1119
Problem:    Flags in 'cpo' are search for several times.
Solution:   Store the result and re-use the flags.
Added tag v7-3-1119 for changeset a62695305e03