vim-patch:7.4.651 #3644

Problem:    Can't match "%>80v" properly for multi-byte characters.
Solution:   Multiply the character number by the maximum number of bytes in a
            character. (Yasuhiro Matsumoto)

4f36dc3bf7

src/nvim/regexp_nfa.c

@@ -5761,7 +5761,7 @@ static int nfa_regmatch(nfa_regprog_T *prog, nfa_state_T *start, regsubs_T *subm
 
           // Bail out quickly when there can't be a match, avoid the overhead of
           // win_linetabsize() on long lines.
-          if (op != 1 && col > t->state->val) {
+          if (op != 1 && col > t->state->val * (has_mbyte ? MB_MAXBYTES : 1)) {
             break;
           }
 

src/nvim/version.c

@@ -273,7 +273,7 @@ static int included_patches[] = {
   // 654,
   653,
   // 652,
-  // 651,
+  651,
   // 650 NA
   // 649,
   // 648 NA