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/spell.pro b/src/proto/spell.pro
index 55c8482..f6bad56 100644
--- a/src/proto/spell.pro
+++ b/src/proto/spell.pro
@@ -16,7 +16,7 @@
void count_common_word(slang_T *lp, char_u *word, int len, int count);
int byte_in_str(char_u *str, int n);
int init_syl_tab(slang_T *slang);
-char *did_set_spelllang(win_T *wp);
+char *parse_spelllang(win_T *wp);
int captype(char_u *word, char_u *end);
void spell_delete_wordlist(void);
void spell_free_all(void);