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-rw-r--r--src/arabic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/arabic.c b/src/arabic.c
index 8c1f64c40..72c64b518 100644
--- a/src/arabic.c
+++ b/src/arabic.c
@@ -1066,7 +1066,7 @@ arabic_shape(c, ccp, c1p, prev_c, prev_c1, next_c)
if (curr_c != c && ccp != NULL)
{
- char_u buf[MB_MAXBYTES];
+ char_u buf[MB_MAXBYTES + 1];
/* Update the first byte of the character. */
(*mb_char2bytes)(curr_c, buf);