diff --git a/src/digraph.c b/src/digraph.c
index b354f2d..745cbbb 100644
--- a/src/digraph.c
+++ b/src/digraph.c
@@ -1781,7 +1781,7 @@
     else if (p_dg)
     {
 	if (backspaced >= 0)
-	    c = getdigraph(backspaced, c, FALSE);
+	    c = digraph_get(backspaced, c, FALSE);
 	backspaced = -1;
 	if ((c == K_BS || c == Ctrl_H) && lastchar >= 0)
 	    backspaced = lastchar;
@@ -1887,7 +1887,7 @@
 	--no_mapping;
 	--allow_keys;
 	if (cc != ESC)	    // ESC cancels CTRL-K
-	    return getdigraph(c, cc, TRUE);
+	    return digraph_get(c, cc, TRUE);
     }
     return NUL;
 }
@@ -1981,7 +1981,7 @@
  * Allow for both char1-char2 and char2-char1
  */
     int
-getdigraph(int char1, int char2, int meta_char)
+digraph_get(int char1, int char2, int meta_char)
 {
     int	    retval;
 
@@ -2143,7 +2143,7 @@
 }
 
     static void
-getdigraphlist_appendpair(digr_T *dp, list_T *l)
+digraph_getlist_appendpair(digr_T *dp, list_T *l)
 {
     char_u	buf[30];
     char_u	*p;
@@ -2194,7 +2194,7 @@
 }
 
     void
-getdigraphlist_common(int list_all, typval_T *rettv)
+digraph_getlist_common(int list_all, typval_T *rettv)
 {
     int		i;
     digr_T	*dp;
@@ -2215,11 +2215,11 @@
 	    tmp.result = getexactdigraph(tmp.char1, tmp.char2, FALSE);
 	    if (tmp.result != 0 && tmp.result != tmp.char2
 					  && (has_mbyte || tmp.result <= 255))
-		getdigraphlist_appendpair(&tmp, rettv->vval.v_list);
+		digraph_getlist_appendpair(&tmp, rettv->vval.v_list);
 #else
 	    if (getexactdigraph(dp->char1, dp->char2, FALSE) == dp->result
 		    && (has_mbyte || dp->result <= 255))
-		getdigraphlist_appendpair(dp, rettv->vval.v_list);
+		digraph_getlist_appendpair(dp, rettv->vval.v_list);
 #endif
 	    ++dp;
 	}
@@ -2228,7 +2228,7 @@
     dp = (digr_T *)user_digraphs.ga_data;
     for (i = 0; i < user_digraphs.ga_len && !got_int; ++i)
     {
-	getdigraphlist_appendpair(dp, rettv->vval.v_list);
+	digraph_getlist_appendpair(dp, rettv->vval.v_list);
 	++dp;
     }
 }
@@ -2363,7 +2363,7 @@
 }
 
     static int
-setdigraph_common(typval_T *argchars, typval_T *argdigraph)
+digraph_set_common(typval_T *argchars, typval_T *argdigraph)
 {
     int		char1, char2;
     char_u	*digraph;
@@ -2394,10 +2394,10 @@
 
 #if defined(FEAT_EVAL) || defined(PROTO)
 /*
- * "getdigraph()" function
+ * "digraph_get()" function
  */
     void
-f_getdigraph(typval_T *argvars, typval_T *rettv)
+f_digraph_get(typval_T *argvars, typval_T *rettv)
 {
 # ifdef FEAT_DIGRAPHS
     int		code;
@@ -2415,7 +2415,7 @@
 	semsg(_(e_digraph_must_be_just_two_characters_str), digraphs);
 	return;
     }
-    code = getdigraph(digraphs[0], digraphs[1], FALSE);
+    code = digraph_get(digraphs[0], digraphs[1], FALSE);
 
     if (has_mbyte)
 	buf[(*mb_char2bytes)(code, buf)] = NUL;
@@ -2431,10 +2431,10 @@
 }
 
 /*
- * "getdigraphlist()" function
+ * "digraph_getlist()" function
  */
     void
-f_getdigraphlist(typval_T *argvars, typval_T *rettv)
+f_digraph_getlist(typval_T *argvars, typval_T *rettv)
 {
 # ifdef FEAT_DIGRAPHS
     int     flag_list_all;
@@ -2450,23 +2450,23 @@
 	flag_list_all = flag ? TRUE : FALSE;
     }
 
-    getdigraphlist_common(flag_list_all, rettv);
+    digraph_getlist_common(flag_list_all, rettv);
 # else
     emsg(_(e_no_digraphs_version));
 # endif
 }
 
 /*
- * "setdigraph()" function
+ * "digraph_set()" function
  */
     void
-f_setdigraph(typval_T *argvars, typval_T *rettv)
+f_digraph_set(typval_T *argvars, typval_T *rettv)
 {
 # ifdef FEAT_DIGRAPHS
     rettv->v_type = VAR_BOOL;
     rettv->vval.v_number = VVAL_FALSE;
 
-    if (!setdigraph_common(&argvars[0], &argvars[1]))
+    if (!digraph_set_common(&argvars[0], &argvars[1]))
 	return;
 
     rettv->vval.v_number = VVAL_TRUE;
@@ -2476,10 +2476,10 @@
 }
 
 /*
- * "setdigraphlist()" function
+ * "digraph_setlist()" function
  */
     void
-f_setdigraphlist(typval_T * argvars, typval_T *rettv)
+f_digraph_setlist(typval_T * argvars, typval_T *rettv)
 {
 # ifdef FEAT_DIGRAPHS
     list_T	*pl, *l;
@@ -2490,7 +2490,7 @@
 
     if (argvars[0].v_type != VAR_LIST)
     {
-	emsg(_(e_setdigraphlist_argument_must_be_list_of_lists_with_two_items));
+	emsg(_(e_digraph_setlist_argument_must_be_list_of_lists_with_two_items));
 	return;
     }
 
@@ -2506,18 +2506,18 @@
     {
 	if (pli->li_tv.v_type != VAR_LIST)
 	{
-	    emsg(_(e_setdigraphlist_argument_must_be_list_of_lists_with_two_items));
+	    emsg(_(e_digraph_setlist_argument_must_be_list_of_lists_with_two_items));
 	    return;
 	}
 
 	l = pli->li_tv.vval.v_list;
 	if (l == NULL || l->lv_len != 2)
 	{
-	    emsg(_(e_setdigraphlist_argument_must_be_list_of_lists_with_two_items));
+	    emsg(_(e_digraph_setlist_argument_must_be_list_of_lists_with_two_items));
 	    return;
 	}
 
-	if (!setdigraph_common(&l->lv_first->li_tv,
+	if (!digraph_set_common(&l->lv_first->li_tv,
 						 &l->lv_first->li_next->li_tv))
 	    return;
     }
diff --git a/src/edit.c b/src/edit.c
index 96464de..267c76d 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -5219,7 +5219,7 @@
 	if (cc != ESC)
 	{
 	    AppendToRedobuff((char_u *)CTRL_V_STR);
-	    c = getdigraph(c, cc, TRUE);
+	    c = digraph_get(c, cc, TRUE);
 #ifdef FEAT_CMDL_INFO
 	    clear_showcmd();
 #endif
diff --git a/src/errors.h b/src/errors.h
index d088168..7e4a465 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -610,8 +610,8 @@
 	INIT(= N_("E1214: Digraph must be just two characters: %s"));
 EXTERN char e_digraph_argument_must_be_one_character_str[]
 	INIT(= N_("E1215: Digraph must be one character: %s"));
-EXTERN char e_setdigraphlist_argument_must_be_list_of_lists_with_two_items[]
-	INIT(= N_("E1216: setdigraphlist() argument must be a list of lists with two items"));
+EXTERN char e_digraph_setlist_argument_must_be_list_of_lists_with_two_items[]
+	INIT(= N_("E1216: digraph_setlist() argument must be a list of lists with two items"));
 #endif
 EXTERN char e_chan_or_job_required_for_argument_nr[]
 	INIT(= N_("E1217: Channel or Job required for argument %d"));
diff --git a/src/evalfunc.c b/src/evalfunc.c
index 1091e56..2a9c972 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -1292,6 +1292,14 @@
 			ret_number,	    f_diff_filler},
     {"diff_hlID",	2, 2, FEARG_1,	    arg2_lnum_number,
 			ret_number,	    f_diff_hlID},
+    {"digraph_get",	1, 1, FEARG_1,	    arg1_string,
+			ret_string,	    f_digraph_get},
+    {"digraph_getlist",0, 1, FEARG_1,	    arg1_number,
+			ret_list_string_items, f_digraph_getlist},
+    {"digraph_set",	2, 2, FEARG_1,	    arg2_string_number,
+			ret_bool,	f_digraph_set},
+    {"digraph_setlist",1, 1, FEARG_1,	    arg1_list_string,
+			ret_bool,	    f_digraph_setlist},
     {"echoraw",		1, 1, FEARG_1,	    arg1_string,
 			ret_void,	    f_echoraw},
     {"empty",		1, 1, FEARG_1,	    NULL,
@@ -1406,10 +1414,6 @@
 			ret_list_number,    f_getcursorcharpos},
     {"getcwd",		0, 2, FEARG_1,	    arg2_number,
 			ret_string,	    f_getcwd},
-    {"getdigraph",     1, 1, FEARG_1,      arg1_string,
-                        ret_string,         f_getdigraph},
-    {"getdigraphlist",  0, 1, FEARG_1,      arg1_number,
-                        ret_list_string_items, f_getdigraphlist},
     {"getenv",		1, 1, FEARG_1,	    arg1_string,
 			ret_any,	    f_getenv},
     {"getfontname",	0, 1, 0,	    arg1_string,
@@ -1870,10 +1874,6 @@
 			ret_number_bool,    f_setcmdpos},
     {"setcursorcharpos", 1, 3, FEARG_1,	    arg13_cursor,
 			ret_number_bool,    f_setcursorcharpos},
-    {"setdigraph",	2, 2, FEARG_1,	    arg2_string_number,
-			ret_bool,           f_setdigraph},
-    {"setdigraphlist",	1, 1, FEARG_1,	    arg1_list_string,
-			ret_bool,	    f_setdigraphlist},
     {"setenv",		2, 2, FEARG_2,	    arg2_string_any,
 			ret_void,	    f_setenv},
     {"setfperm",	2, 2, FEARG_1,	    arg2_string,
diff --git a/src/proto/digraph.pro b/src/proto/digraph.pro
index 3b4fe87..8a6566c 100644
--- a/src/proto/digraph.pro
+++ b/src/proto/digraph.pro
@@ -2,15 +2,15 @@
 int do_digraph(int c);
 char_u *get_digraph_for_char(int val_arg);
 int get_digraph(int cmdline);
-int getdigraph(int char1, int char2, int meta_char);
+int digraph_get(int char1, int char2, int meta_char);
 int check_digraph_chars_valid(int char1, int char2);
 void putdigraph(char_u *str);
 void listdigraphs(int use_headers);
-void getdigraphlist_common(int list_all, typval_T *rettv);
-void f_getdigraph(typval_T *argvars, typval_T *rettv);
-void f_getdigraphlist(typval_T *argvars, typval_T *rettv);
-void f_setdigraph(typval_T *argvars, typval_T *rettv);
-void f_setdigraphlist(typval_T *argvars, typval_T *rettv);
+void digraph_getlist_common(int list_all, typval_T *rettv);
+void f_digraph_get(typval_T *argvars, typval_T *rettv);
+void f_digraph_getlist(typval_T *argvars, typval_T *rettv);
+void f_digraph_set(typval_T *argvars, typval_T *rettv);
+void f_digraph_setlist(typval_T *argvars, typval_T *rettv);
 char *keymap_init(void);
 void ex_loadkeymap(exarg_T *eap);
 void keymap_clear(garray_T *kmap);
diff --git a/src/testdir/test_digraph.vim b/src/testdir/test_digraph.vim
index 2cf0751..30dae94 100644
--- a/src/testdir/test_digraph.vim
+++ b/src/testdir/test_digraph.vim
@@ -515,81 +515,81 @@
   call StopVimInTerminal(buf)
 endfunc
 
-func Test_setdigraph_function()
+func Test_digraph_set_function()
   new
-  call setdigraph('aa', 'あ')
+  call digraph_set('aa', 'あ')
   call Put_Dig('aa')
   call assert_equal('あ', getline('$'))
-  call setdigraph(' i', 'い')
+  call digraph_set(' i', 'い')
   call Put_Dig(' i')
   call assert_equal('い', getline('$'))
-  call setdigraph('  ', 'う')
+  call digraph_set('  ', 'う')
   call Put_Dig('  ')
   call assert_equal('う', getline('$'))
 
-  eval 'aa'->setdigraph('え')
+  eval 'aa'->digraph_set('え')
   call Put_Dig('aa')
   call assert_equal('え', getline('$'))
 
-  call assert_fails('call setdigraph("aaa", "あ")', 'E1214: Digraph must be just two characters: aaa')
-  call assert_fails('call setdigraph("b", "あ")', 'E1214: Digraph must be just two characters: b')
-  call assert_fails('call setdigraph("あ", "あ")', 'E1214: Digraph must be just two characters: あ')
-  call assert_fails('call setdigraph("aa", "ああ")', 'E1215: Digraph must be one character: ああ')
-  call assert_fails('call setdigraph("aa", "か" .. nr2char(0x3099))',  'E1215: Digraph must be one character: か' .. nr2char(0x3099))
+  call assert_fails('call digraph_set("aaa", "あ")', 'E1214: Digraph must be just two characters: aaa')
+  call assert_fails('call digraph_set("b", "あ")', 'E1214: Digraph must be just two characters: b')
+  call assert_fails('call digraph_set("あ", "あ")', 'E1214: Digraph must be just two characters: あ')
+  call assert_fails('call digraph_set("aa", "ああ")', 'E1215: Digraph must be one character: ああ')
+  call assert_fails('call digraph_set("aa", "か" .. nr2char(0x3099))',  'E1215: Digraph must be one character: か' .. nr2char(0x3099))
   bwipe!
 endfunc
 
-func Test_getdigraph_function()
+func Test_digraph_get_function()
   " Built-in digraphs
-  call assert_equal('∞', getdigraph('00'))
+  call assert_equal('∞', digraph_get('00'))
 
   " User-defined digraphs
-  call setdigraph('aa', 'あ')
-  call setdigraph(' i', 'い')
-  call setdigraph('  ', 'う')
-  call assert_equal('あ', getdigraph('aa'))
-  call assert_equal('あ', 'aa'->getdigraph())
-  call assert_equal('い', getdigraph(' i'))
-  call assert_equal('う', getdigraph('  '))
-  call assert_fails('call getdigraph("aaa")', 'E1214: Digraph must be just two characters: aaa')
-  call assert_fails('call getdigraph("b")', 'E1214: Digraph must be just two characters: b')
+  call digraph_set('aa', 'あ')
+  call digraph_set(' i', 'い')
+  call digraph_set('  ', 'う')
+  call assert_equal('あ', digraph_get('aa'))
+  call assert_equal('あ', 'aa'->digraph_get())
+  call assert_equal('い', digraph_get(' i'))
+  call assert_equal('う', digraph_get('  '))
+  call assert_fails('call digraph_get("aaa")', 'E1214: Digraph must be just two characters: aaa')
+  call assert_fails('call digraph_get("b")', 'E1214: Digraph must be just two characters: b')
 endfunc
 
-func Test_getdigraph_function_encode()
+func Test_digraph_get_function_encode()
   CheckFeature iconv
   let testcases = {
         \'00': '∞',
         \'aa': 'あ',
         \}
   for [key, ch] in items(testcases)
-    call setdigraph(key, ch)
+    call digraph_set(key, ch)
     set encoding=japan
-    call assert_equal(iconv(ch, 'utf-8', 'japan'), getdigraph(key))
+    call assert_equal(iconv(ch, 'utf-8', 'japan'), digraph_get(key))
     set encoding&
   endfor
 endfunc
 
-func Test_setdigraphlist_function()
-  call setdigraphlist([['aa', 'き'], ['bb', 'く']])
-  call assert_equal('き', getdigraph('aa'))
-  call assert_equal('く', getdigraph('bb'))
+func Test_digraph_setlist_function()
+  call digraph_setlist([['aa', 'き'], ['bb', 'く']])
+  call assert_equal('き', digraph_get('aa'))
+  call assert_equal('く', digraph_get('bb'))
 
-  call assert_fails('call setdigraphlist([[]])', 'E1216:')
-  call assert_fails('call setdigraphlist([["aa", "b", "cc"]])', '1216:')
-  call assert_fails('call setdigraphlist([["あ", "あ"]])', 'E1214: Digraph must be just two characters: あ')
+  call assert_fails('call digraph_setlist([[]])', 'E1216:')
+  call assert_fails('call digraph_setlist([["aa", "b", "cc"]])', '1216:')
+  call assert_fails('call digraph_setlist([["あ", "あ"]])', 'E1214: Digraph must be just two characters: あ')
 endfunc
 
-func Test_getdigraphlist_function()
+func Test_digraph_getlist_function()
   " Make sure user-defined digraphs are defined
-  call setdigraphlist([['aa', 'き'], ['bb', 'く']])
+  call digraph_setlist([['aa', 'き'], ['bb', 'く']])
 
-  for pair in getdigraphlist(1)
-    call assert_equal(getdigraph(pair[0]), pair[1])
+  for pair in digraph_getlist(1)
+    call assert_equal(digraph_get(pair[0]), pair[1])
   endfor
 
   " We don't know how many digraphs are registered before, so check the number
   " of digraphs returned.
-  call assert_equal(getdigraphlist()->len(), getdigraphlist(0)->len())
-  call assert_notequal((getdigraphlist()->len()), getdigraphlist(1)->len())
+  call assert_equal(digraph_getlist()->len(), digraph_getlist(0)->len())
+  call assert_notequal((digraph_getlist()->len()), digraph_getlist(1)->len())
 endfunc
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index 945d8e9..0d60cc2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3226,
+/**/
     3225,
 /**/
     3224,