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-rw-r--r--src/edit.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/edit.c b/src/edit.c
index cb6ae7ee9b..672028bbba 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -5371,6 +5371,9 @@ do_insert_char_pre(int c)
if (!has_insertcharpre())
return NULL;
+ if (c == Ctrl_RSB)
+ return NULL;
+
if (has_mbyte)
buf[(*mb_char2bytes)(c, buf)] = NUL;
else