patch 7.4.2134
Problem: No error for using function() badly.
Solution: Check for passing wrong function name. (Ken Takata)
diff --git a/src/proto/userfunc.pro b/src/proto/userfunc.pro
index 42c5883..bd39604 100644
--- a/src/proto/userfunc.pro
+++ b/src/proto/userfunc.pro
@@ -9,7 +9,7 @@
void ex_function(exarg_T *eap);
int eval_fname_script(char_u *p);
int translated_function_exists(char_u *name);
-int function_exists(char_u *name);
+int function_exists(char_u *name, int no_deref);
char_u *get_expanded_name(char_u *name, int check);
void func_dump_profile(FILE *fd);
void prof_child_enter(proftime_T *tm);