updated for version 7.3.1146
Problem:    New regexp engine: look-behind match not checked when followed by
	    zero-width match.
Solution:   Do the look-behind match before adding the zero-width state.
Added tag v7-3-1146 for changeset e3f9e33fb28c
updated for version 7.3.1147
Problem:    New regexp engine: regstart is only used to find the first match.
Solution:   Use regstart whenever adding the start state.
Added tag v7-3-1147 for changeset 3cd3cc1e9119
updated for version 7.3.1148
Problem:    No command line completion for ":syntime".
Solution:   Implement the completion. (Dominique Pelle)
Added tag v7-3-1148 for changeset 220bdea4f579
updated for version 7.3.1149
Problem:    New regexp engine: Matching plain text could be faster.
Solution:   Detect a plain text match and handle it specifically.  Add
	    vim_regfree().
Added tag v7-3-1149 for changeset 66803af09906
updated for version 7.3.1150
Problem:    New regexpengine: Slow when a look-behind match does not have a
	    width specified.
Solution:   Try to compute the maximum width.
Added tag v7-3-1150 for changeset 3dbd251777de
updated for version 7.3.1151
Problem:    New regexp engine: Slow when a look-behind match is followed by a
	    zero-width match.
Solution:   Postpone the look-behind match more often.
Added tag v7-3-1151 for changeset 4d7e3df04256
updated for version 7.3.1152
Problem:    In tiny build ireg_icombine is undefined. (Tony Mechelynck)
Solution:   Add #ifdef.
Added tag v7-3-1152 for changeset 9909e44879b9