diff --git a/src/proto/spell.pro b/src/proto/spell.pro
index 6114412..461b5e1 100644
--- a/src/proto/spell.pro
+++ b/src/proto/spell.pro
@@ -1,5 +1,11 @@
 /* spell.c */
 int spell_check(win_T *wp, char_u *ptr, hlf_T *attrp, int *capcol, int docount);
+int match_checkcompoundpattern(char_u *ptr, int wlen, garray_T *gap);
+int can_compound(slang_T *slang, char_u *word, char_u *flags);
+int match_compoundrule(slang_T *slang, char_u *compflags);
+int valid_word_prefix(int totprefcnt, int arridx, int flags, char_u *word, slang_T *slang, int cond_req);
+int spell_valid_case(int wordflags, int treeflags);
+int no_spell_checking(win_T *wp);
 int spell_move_to(win_T *wp, int dir, int allwords, int curline, hlf_T *attrp);
 void spell_cat_line(char_u *buf, char_u *line, int maxlen);
 char_u *spell_enc(void);
@@ -19,12 +25,15 @@
 void close_spellbuf(buf_T *buf);
 void clear_spell_chartab(spelltab_T *sp);
 void init_spell_chartab(void);
+int spell_iswordp(char_u *p, win_T *wp);
+int spell_iswordp_nmw(char_u *p, win_T *wp);
 int spell_casefold(char_u *str, int len, char_u *buf, int buflen);
-int spell_check_sps(void);
-void spell_suggest(int count);
+int check_need_cap(linenr_T lnum, colnr_T col);
 void ex_spellrepall(exarg_T *eap);
-void spell_suggest_list(garray_T *gap, char_u *word, int maxcount, int need_cap, int interactive);
 void onecap_copy(char_u *word, char_u *wcopy, int upper);
+void allcap_copy(char_u *word, char_u *wcopy);
+int nofold_len(char_u *fword, int flen, char_u *word);
+void make_case_word(char_u *fword, char_u *cword, int flags);
 char_u *eval_soundfold(char_u *word);
 void spell_soundfold(slang_T *slang, char_u *inword, int folded, char_u *res);
 void ex_spellinfo(exarg_T *eap);
diff --git a/src/proto/spellsuggest.pro b/src/proto/spellsuggest.pro
new file mode 100644
index 0000000..745d407
--- /dev/null
+++ b/src/proto/spellsuggest.pro
@@ -0,0 +1,5 @@
+/* spellsuggest.c */
+int spell_check_sps(void);
+void spell_suggest(int count);
+void spell_suggest_list(garray_T *gap, char_u *word, int maxcount, int need_cap, int interactive);
+/* vim: set ft=c : */