updated for version 7.3.1090
Problem: New regexp engine does not support \z1 .. \z9 and \z(.
Solution: Implement the syntax submatches.
diff --git a/src/regexp.h b/src/regexp.h
index e609cd2..f44578d 100644
--- a/src/regexp.h
+++ b/src/regexp.h
@@ -55,7 +55,9 @@
char_u reganch;
char_u *regmust;
int regmlen;
+#ifdef FEAT_SYN_HL
char_u reghasz;
+#endif
char_u program[1]; /* actually longer.. */
} bt_regprog_T;
@@ -88,6 +90,9 @@
nfa_state_T *start;
int has_zend; /* pattern contains \ze */
int has_backref; /* pattern contains \1 .. \9 */
+#ifdef FEAT_SYN_HL
+ int reghasz;
+#endif
int nsubexp; /* number of () */
int nstate;
nfa_state_T state[0]; /* actually longer.. */