diff --git a/src/proto/autocmd.pro b/src/proto/autocmd.pro
index a448dad..009c0c4 100644
--- a/src/proto/autocmd.pro
+++ b/src/proto/autocmd.pro
@@ -30,7 +30,7 @@
 void block_autocmds(void);
 void unblock_autocmds(void);
 int is_autocmd_blocked(void);
-char_u *getnextac(int c, void *cookie, int indent);
+char_u *getnextac(int c, void *cookie, int indent, int do_concat);
 int has_autocmd(event_T event, char_u *sfname, buf_T *buf);
 char_u *get_augroup_name(expand_T *xp, int idx);
 char_u *set_context_in_autocmd(expand_T *xp, char_u *arg, int doautocmd);
diff --git a/src/proto/ex_cmds2.pro b/src/proto/ex_cmds2.pro
index 33dee0b..0d249cb 100644
--- a/src/proto/ex_cmds2.pro
+++ b/src/proto/ex_cmds2.pro
@@ -81,7 +81,7 @@
 void scriptnames_slash_adjust(void);
 char_u *get_scriptname(scid_T id);
 void free_scriptnames(void);
-char_u *getsourceline(int c, void *cookie, int indent);
+char_u *getsourceline(int c, void *cookie, int indent, int do_concat);
 void script_line_start(void);
 void script_line_exec(void);
 void script_line_end(void);
@@ -89,7 +89,7 @@
 void ex_scriptversion(exarg_T *eap);
 void ex_finish(exarg_T *eap);
 void do_finish(exarg_T *eap, int reanimate);
-int source_finished(char_u *(*fgetline)(int, void *, int), void *cookie);
+int source_finished(char_u *(*fgetline)(int, void *, int, int), void *cookie);
 void ex_checktime(exarg_T *eap);
 char_u *get_mess_lang(void);
 void set_lang_var(void);
diff --git a/src/proto/ex_docmd.pro b/src/proto/ex_docmd.pro
index 6714b38..373c75b 100644
--- a/src/proto/ex_docmd.pro
+++ b/src/proto/ex_docmd.pro
@@ -1,9 +1,9 @@
 /* ex_docmd.c */
 void do_exmode(int improved);
 int do_cmdline_cmd(char_u *cmd);
-int do_cmdline(char_u *cmdline, char_u *(*fgetline)(int, void *, int), void *cookie, int flags);
-int getline_equal(char_u *(*fgetline)(int, void *, int), void *cookie, char_u *(*func)(int, void *, int));
-void *getline_cookie(char_u *(*fgetline)(int, void *, int), void *cookie);
+int do_cmdline(char_u *cmdline, char_u *(*fgetline)(int, void *, int, int), void *cookie, int flags);
+int getline_equal(char_u *(*fgetline)(int, void *, int, int), void *cookie, char_u *(*func)(int, void *, int, int));
+void *getline_cookie(char_u *(*fgetline)(int, void *, int, int), void *cookie);
 int parse_command_modifiers(exarg_T *eap, char **errormsg, int skip_only);
 int parse_cmd_address(exarg_T *eap, char **errormsg, int silent);
 int checkforcmd(char_u **pp, char *cmd, int len);
diff --git a/src/proto/ex_getln.pro b/src/proto/ex_getln.pro
index 8845b9c..8095eff 100644
--- a/src/proto/ex_getln.pro
+++ b/src/proto/ex_getln.pro
@@ -1,14 +1,14 @@
 /* ex_getln.c */
 void cmdline_init(void);
-char_u *getcmdline(int firstc, long count, int indent);
+char_u *getcmdline(int firstc, long count, int indent, int do_concat);
 char_u *getcmdline_prompt(int firstc, char_u *prompt, int attr, int xp_context, char_u *xp_arg);
 int text_locked(void);
 void text_locked_msg(void);
 char *get_text_locked_msg(void);
 int curbuf_locked(void);
 int allbuf_locked(void);
-char_u *getexline(int c, void *cookie, int indent);
-char_u *getexmodeline(int promptc, void *cookie, int indent);
+char_u *getexline(int c, void *cookie, int indent, int do_concat);
+char_u *getexmodeline(int promptc, void *cookie, int indent, int do_concat);
 int cmdline_overstrike(void);
 int cmdline_at_end(void);
 colnr_T cmdline_getvcol_cursor(void);
diff --git a/src/proto/userfunc.pro b/src/proto/userfunc.pro
index 62babf3..c9dd974 100644
--- a/src/proto/userfunc.pro
+++ b/src/proto/userfunc.pro
@@ -30,7 +30,7 @@
 int do_return(exarg_T *eap, int reanimate, int is_cmd, void *rettv);
 void discard_pending_return(void *rettv);
 char_u *get_return_cmd(void *rettv);
-char_u *get_func_line(int c, void *cookie, int indent);
+char_u *get_func_line(int c, void *cookie, int indent, int do_concat);
 void func_line_start(void *cookie);
 void func_line_exec(void *cookie);
 void func_line_end(void *cookie);