diff --git a/src/proto/gui_motif.pro b/src/proto/gui_motif.pro
index c1b1946..3e08ec9 100644
--- a/src/proto/gui_motif.pro
+++ b/src/proto/gui_motif.pro
@@ -1,42 +1,46 @@
 /* gui_motif.c */
-extern void gui_x11_create_widgets __ARGS((void));
-extern void gui_x11_destroy_widgets __ARGS((void));
-extern void gui_mch_set_text_area_pos __ARGS((int x, int y, int w, int h));
-extern void gui_x11_set_back_color __ARGS((void));
-extern void manage_centered __ARGS((Widget dialog_child));
-extern XmFontList gui_motif_create_fontlist __ARGS((XFontStruct *font));
-extern XmFontList gui_motif_fontset2fontlist __ARGS((XFontSet *fontset));
-extern void gui_mch_enable_menu __ARGS((int flag));
-extern void gui_motif_set_mnemonics __ARGS((int enable));
-extern void gui_mch_add_menu __ARGS((vimmenu_T *menu, int idx));
-extern void gui_mch_toggle_tearoffs __ARGS((int enable));
-extern int gui_mch_text_area_extra_height __ARGS((void));
-extern void gui_mch_compute_menu_height __ARGS((Widget id));
-extern void gui_mch_add_menu_item __ARGS((vimmenu_T *menu, int idx));
-extern void gui_motif_update_mousemodel __ARGS((vimmenu_T *menu));
-extern void gui_mch_new_menu_colors __ARGS((void));
-extern void gui_mch_new_menu_font __ARGS((void));
-extern void gui_mch_new_tooltip_font __ARGS((void));
-extern void gui_mch_new_tooltip_colors __ARGS((void));
-extern void gui_mch_destroy_menu __ARGS((vimmenu_T *menu));
-extern void gui_mch_show_popupmenu __ARGS((vimmenu_T *menu));
-extern void gui_mch_def_colors __ARGS((void));
-extern void gui_mch_set_scrollbar_thumb __ARGS((scrollbar_T *sb, long val, long size, long max));
-extern void gui_mch_set_scrollbar_pos __ARGS((scrollbar_T *sb, int x, int y, int w, int h));
-extern void gui_mch_enable_scrollbar __ARGS((scrollbar_T *sb, int flag));
-extern void gui_mch_create_scrollbar __ARGS((scrollbar_T *sb, int orient));
-extern void gui_mch_destroy_scrollbar __ARGS((scrollbar_T *sb));
-extern void gui_mch_set_scrollbar_colors __ARGS((scrollbar_T *sb));
-extern Window gui_x11_get_wid __ARGS((void));
-extern char_u *gui_mch_browse __ARGS((int saving, char_u *title, char_u *dflt, char_u *ext, char_u *initdir, char_u *filter));
-extern int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *button_names, int dfltbutton, char_u *textfield));
-extern void gui_mch_enable_footer __ARGS((int showit));
-extern void gui_mch_set_footer __ARGS((char_u *s));
-extern void gui_mch_show_toolbar __ARGS((int showit));
-extern int gui_mch_compute_toolbar_height __ARGS((void));
-extern void motif_get_toolbar_colors __ARGS((Pixel *bgp, Pixel *fgp, Pixel *bsp, Pixel *tsp, Pixel *hsp));
-extern void gui_motif_menu_fontlist __ARGS((Widget id));
-extern void gui_mch_find_dialog __ARGS((exarg_T *eap));
-extern void gui_mch_replace_dialog __ARGS((exarg_T *eap));
-extern void gui_motif_synch_fonts __ARGS((void));
+void gui_x11_create_widgets __ARGS((void));
+void gui_x11_destroy_widgets __ARGS((void));
+void gui_mch_set_text_area_pos __ARGS((int x, int y, int w, int h));
+void gui_x11_set_back_color __ARGS((void));
+void manage_centered __ARGS((Widget dialog_child));
+XmFontList gui_motif_create_fontlist __ARGS((XFontStruct *font));
+XmFontList gui_motif_fontset2fontlist __ARGS((XFontSet *fontset));
+void gui_mch_enable_menu __ARGS((int flag));
+void gui_motif_set_mnemonics __ARGS((int enable));
+void gui_mch_add_menu __ARGS((vimmenu_T *menu, int idx));
+void gui_mch_toggle_tearoffs __ARGS((int enable));
+int gui_mch_text_area_extra_height __ARGS((void));
+void gui_mch_compute_menu_height __ARGS((Widget id));
+void gui_mch_add_menu_item __ARGS((vimmenu_T *menu, int idx));
+void gui_motif_update_mousemodel __ARGS((vimmenu_T *menu));
+void gui_mch_new_menu_colors __ARGS((void));
+void gui_mch_new_menu_font __ARGS((void));
+void gui_mch_new_tooltip_font __ARGS((void));
+void gui_mch_new_tooltip_colors __ARGS((void));
+void gui_mch_destroy_menu __ARGS((vimmenu_T *menu));
+void gui_mch_show_popupmenu __ARGS((vimmenu_T *menu));
+void gui_mch_def_colors __ARGS((void));
+void gui_mch_set_scrollbar_thumb __ARGS((scrollbar_T *sb, long val, long size, long max));
+void gui_mch_set_scrollbar_pos __ARGS((scrollbar_T *sb, int x, int y, int w, int h));
+void gui_mch_enable_scrollbar __ARGS((scrollbar_T *sb, int flag));
+void gui_mch_create_scrollbar __ARGS((scrollbar_T *sb, int orient));
+void gui_mch_destroy_scrollbar __ARGS((scrollbar_T *sb));
+void gui_mch_set_scrollbar_colors __ARGS((scrollbar_T *sb));
+Window gui_x11_get_wid __ARGS((void));
+char_u *gui_mch_browse __ARGS((int saving, char_u *title, char_u *dflt, char_u *ext, char_u *initdir, char_u *filter));
+int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *button_names, int dfltbutton, char_u *textfield));
+void gui_mch_enable_footer __ARGS((int showit));
+void gui_mch_set_footer __ARGS((char_u *s));
+void gui_mch_show_toolbar __ARGS((int showit));
+int gui_mch_compute_toolbar_height __ARGS((void));
+void motif_get_toolbar_colors __ARGS((Pixel *bgp, Pixel *fgp, Pixel *bsp, Pixel *tsp, Pixel *hsp));
+void gui_mch_show_tabline __ARGS((int showit));
+int gui_mch_showing_tabline __ARGS((void));
+void gui_mch_update_tabline __ARGS((void));
+void gui_mch_set_curtab __ARGS((int nr));
+void gui_motif_menu_fontlist __ARGS((Widget id));
+void gui_mch_find_dialog __ARGS((exarg_T *eap));
+void gui_mch_replace_dialog __ARGS((exarg_T *eap));
+void gui_motif_synch_fonts __ARGS((void));
 /* vim: set ft=c : */