updated for version 7.3.1081
Problem:    Compiler warnings on 64-bit Windows.
Solution:   Change variable types. (Mike Williams)
Added tag v7-3-1081 for changeset 9e7ef781d494
updated for version 7.3.1082
Problem:    New regexp engine: Problem with \@= matching.
Solution:   Save and restore nfa_match.
Added tag v7-3-1082 for changeset 2d15582e132f
updated for version 7.3.1083
Problem:    New regexp engine: Does not support \%^ and \%$.
Solution:   Support matching start and end of file.
Added tag v7-3-1083 for changeset b3c59716e700
updated for version 7.3.1084
Problem:    New regexp engine: only accepts up to \{,10}.
Solution:   Remove upper limit.  Remove dead code with NFA_PLUS.
Added tag v7-3-1084 for changeset 05d57d7c2d55