diff --git a/src/proto/option.pro b/src/proto/option.pro
index 373a60c..9425bc7 100644
--- a/src/proto/option.pro
+++ b/src/proto/option.pro
@@ -38,6 +38,7 @@
 int is_hidden_option(int opt_idx);
 int is_crypt_key_option(int opt_idx);
 char *set_option_value(char_u *name, long number, char_u *string, int opt_flags);
+void set_option_value_give_err(char_u *name, long number, char_u *string, int opt_flags);
 char_u *get_term_code(char_u *tname);
 char_u *get_highlight_default(void);
 char_u *get_encoding_default(void);
@@ -63,7 +64,7 @@
 void set_iminsert_global(void);
 void set_imsearch_global(void);
 void set_context_in_set_cmd(expand_T *xp, char_u *arg, int opt_flags);
-int ExpandSettings(expand_T *xp, regmatch_T *regmatch, char_u *pat, int *numMatches, char_u ***matches);
+int ExpandSettings(expand_T *xp, regmatch_T *regmatch, char_u *fuzzystr, int *numMatches, char_u ***matches);
 int ExpandOldSetting(int *num_file, char_u ***file);
 int shortmess(int x);
 void vimrc_found(char_u *fname, char_u *envname);