updated for version 7.4.323
Problem: Substitute() with zero width pattern breaks multi-byte character.
Solution: Take multi-byte character size into account. (Yukihiro Nakadaira)
diff --git a/src/eval.c b/src/eval.c
index 51ec0b8..728b7d1 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -24848,8 +24848,11 @@
if (zero_width == regmatch.startp[0])
{
/* avoid getting stuck on a match with an empty string */
- *((char_u *)ga.ga_data + ga.ga_len) = *tail++;
- ++ga.ga_len;
+ i = MB_PTR2LEN(tail);
+ mch_memmove((char_u *)ga.ga_data + ga.ga_len, tail,
+ (size_t)i);
+ ga.ga_len += i;
+ tail += i;
continue;
}
zero_width = regmatch.startp[0];