updated for version 7.3.603
Problem: It is possible to add replace builtin functions by calling
extend() on g:.
Solution: Add a flag to a dict to indicate it is a scope. Check for
existing functions. (ZyX)
diff --git a/src/buffer.c b/src/buffer.c
index d6d039f..355dbc7 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -1747,7 +1747,8 @@
buf->b_wininfo->wi_win = curwin;
#ifdef FEAT_EVAL
- init_var_dict(&buf->b_vars, &buf->b_bufvar); /* init b: variables */
+ /* init b: variables */
+ init_var_dict(&buf->b_vars, &buf->b_bufvar, VAR_SCOPE);
#endif
#ifdef FEAT_SYN_HL
hash_init(&buf->b_s.b_keywtab);