patch 8.2.4600: Vim9: not enough test coverage for executing :def function
Problem: Vim9: not enough test coverage for executing :def function.
Solution: Add a few more tests. Fix inconsistencies.
diff --git a/src/proto/evalvars.pro b/src/proto/evalvars.pro
index df4fb16..9e08f66 100644
--- a/src/proto/evalvars.pro
+++ b/src/proto/evalvars.pro
@@ -23,7 +23,7 @@
void ex_unlet(exarg_T *eap);
void ex_lockvar(exarg_T *eap);
void ex_unletlock(exarg_T *eap, char_u *argstart, int deep, int glv_flags, int (*callback)(lval_T *, char_u *, exarg_T *, int, void *), void *cookie);
-int list_unlet_range(list_T *l, listitem_T *li_first, char_u *name, long n1_arg, int has_n2, long n2);
+void list_unlet_range(list_T *l, listitem_T *li_first, long n1_arg, int has_n2, long n2);
int do_unlet(char_u *name, int forceit);
void item_lock(typval_T *tv, int deep, int lock, int check_refcount);
void del_menutrans_vars(void);