patch 9.0.1330: handling new value of an option has a long "else if" chain
Problem: Handling new value of an option has a long "else if" chain.
Solution: Use a function pointer. (Yegappan Lakshmanan, closes #12015)
diff --git a/src/proto/insexpand.pro b/src/proto/insexpand.pro
index b10d2a8..51f5db0 100644
--- a/src/proto/insexpand.pro
+++ b/src/proto/insexpand.pro
@@ -44,11 +44,11 @@
void ins_compl_addleader(int c);
void ins_compl_addfrommatch(void);
int ins_compl_prep(int c);
-char *set_completefunc_option(void);
+char *did_set_completefunc(optset_T *args);
void set_buflocal_cfu_callback(buf_T *buf);
-char *set_omnifunc_option(void);
+char *did_set_omnifunc(optset_T *args);
void set_buflocal_ofu_callback(buf_T *buf);
-char *set_thesaurusfunc_option(void);
+char *did_set_thesaurusfunc(optset_T *args);
int set_ref_in_insexpand_funcs(int copyID);
void f_complete(typval_T *argvars, typval_T *rettv);
void f_complete_add(typval_T *argvars, typval_T *rettv);