patch 8.2.4402: missing parenthesis may cause unexpected problems
Problem: Missing parenthesis may cause unexpected problems.
Solution: Add more parenthesis is macros. (closes #9788)
diff --git a/src/memline.c b/src/memline.c
index 9c15fa7..e1a4cb3 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -227,7 +227,7 @@
#define ML_INSERT 0x12 // insert line
#define ML_FIND 0x13 // just find the line
#define ML_FLUSH 0x02 // flush locked block
-#define ML_SIMPLE(x) (x & 0x10) // DEL, INS or FIND
+#define ML_SIMPLE(x) ((x) & 0x10) // DEL, INS or FIND
// argument for ml_upd_block0()
typedef enum {