diff --git a/.hgignore b/.hgignore
index 47bd0b98cf..f676fbae90 100644
--- a/.hgignore
+++ b/.hgignore
@@ -42,3 +42,11 @@ gvimext.lib
 *.mo
 *.swp
 *~
+
+# Generated by "make test"
+src/po/*.ck 
+src/testdir/mbyte.vim 
+src/testdir/mzscheme.vim 
+src/testdir/small.vim 
+src/testdir/tiny.vim 
+src/testdir/test*.out
diff --git a/src/eval.c b/src/eval.c
index 5f207e2533..bb2565ff80 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -9324,7 +9324,7 @@ f_confirm(argvars, rettv)
 
     if (!error)
 	rettv->vval.v_number = do_dialog(type, NULL, message, buttons,
-								   def, NULL);
+							    def, NULL, FALSE);
 #endif
 }
 
@@ -10867,6 +10867,11 @@ f_getbufvar(argvars, rettv)
 
 	if (*varname == '&')	/* buffer-local-option */
 	    get_option_tv(&varname, rettv, TRUE);
+	else if (STRCMP(varname, "changedtick") == 0)
+	{
+	    rettv->v_type = VAR_NUMBER;
+	    rettv->vval.v_number = curbuf->b_changedtick;
+	}
 	else
 	{
 	    if (*varname == NUL)
@@ -12764,7 +12769,7 @@ f_inputdialog(argvars, rettv)
 	    IObuff[0] = NUL;
 	if (message != NULL && defstr != NULL
 		&& do_dialog(VIM_QUESTION, NULL, message,
-				(char_u *)_("&OK\n&Cancel"), 1, IObuff) == 1)
+			  (char_u *)_("&OK\n&Cancel"), 1, IObuff, FALSE) == 1)
 	    rettv->vval.v_string = vim_strsave(IObuff);
 	else
 	{
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index a66078617d..ef81cd020e 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -9330,7 +9330,7 @@ exec_normal_cmd(cmd, remap, silent)
 								  && !got_int)
     {
 	update_topline_cursor();
-	normal_cmd(&oa, FALSE);	/* execute a Normal mode cmd */
+	normal_cmd(&oa, TRUE);	/* execute a Normal mode cmd */
     }
 }
 #endif
diff --git a/src/fileio.c b/src/fileio.c
index 39b9d52e05..a893426aaa 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -7045,7 +7045,7 @@ buf_check_timestamp(buf, focus)
 		}
 # else
 		if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf,
-				(char_u *)_("&OK\n&Load File"), 1, NULL) == 2)
+			  (char_u *)_("&OK\n&Load File"), 1, NULL, TRUE) == 2)
 		    reload = TRUE;
 # endif
 	    }
diff --git a/src/gui.c b/src/gui.c
index 3bc5c5d663..a7130420fc 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -4969,7 +4969,7 @@ display_errors()
 		if (STRLEN(p) > 2000)
 		    STRCPY(p + 2000 - 14, "...(truncated)");
 		(void)do_dialog(VIM_ERROR, (char_u *)_("Error"),
-					      p, (char_u *)_("&Ok"), 1, NULL);
+				       p, (char_u *)_("&Ok"), 1, NULL, FALSE);
 		break;
 	    }
 	ga_clear(&error_ga);
diff --git a/src/gui_athena.c b/src/gui_athena.c
index 7cd08c6e36..c8d8e98df0 100644
--- a/src/gui_athena.c
+++ b/src/gui_athena.c
@@ -2117,13 +2117,14 @@ dialog_wm_handler(w, client_data, event, dum)
 }
 
     int
-gui_mch_dialog(type, title, message, buttons, dfltbutton, textfield)
+gui_mch_dialog(type, title, message, buttons, dfltbutton, textfield, ex_cmd)
     int		type UNUSED;
     char_u	*title;
     char_u	*message;
     char_u	*buttons;
     int		dfltbutton UNUSED;
     char_u	*textfield;
+    int		ex_cmd UNUSED;
 {
     char_u		*buts;
     char_u		*p, *next;
diff --git a/src/gui_gtk.c b/src/gui_gtk.c
index b95f46a7f9..94cebd471b 100644
--- a/src/gui_gtk.c
+++ b/src/gui_gtk.c
@@ -1268,7 +1268,8 @@ gui_mch_dialog(int	type,	    /* type of dialog */
 	       char_u	*message,   /* message text */
 	       char_u	*buttons,   /* names of buttons */
 	       int	def_but,    /* default button */
-	       char_u	*textfield) /* text for textfield or NULL */
+	       char_u	*textfield, /* text for textfield or NULL */
+	       int	ex_cmd UNUSED)
 {
     GtkWidget	*dialog;
     GtkWidget	*entry = NULL;
diff --git a/src/gui_mac.c b/src/gui_mac.c
index 2fcd8a209b..4357c89250 100644
--- a/src/gui_mac.c
+++ b/src/gui_mac.c
@@ -5583,7 +5583,8 @@ gui_mch_dialog(
     char_u	*message,
     char_u	*buttons,
     int		dfltbutton,
-    char_u	*textfield)
+    char_u	*textfield,
+    int		ex_cmd)
 {
     Handle	buttonDITL;
     Handle	iconDITL;
diff --git a/src/gui_motif.c b/src/gui_motif.c
index 51e6112ccd..7cac8ee6a2 100644
--- a/src/gui_motif.c
+++ b/src/gui_motif.c
@@ -2549,13 +2549,14 @@ create_pixmap_label(parent, name, data, args, arg)
 #endif
 
     int
-gui_mch_dialog(type, title, message, button_names, dfltbutton, textfield)
+gui_mch_dialog(type, title, message, button_names, dfltbutton, textfield, ex_cmd)
     int		type UNUSED;
     char_u	*title;
     char_u	*message;
     char_u	*button_names;
     int		dfltbutton;
     char_u	*textfield;		/* buffer of size IOSIZE */
+    int		ex_cmd UNUSED;
 {
     char_u		*buts;
     char_u		*p, *next;
diff --git a/src/gui_photon.c b/src/gui_photon.c
index 42b124281a..d9017989ab 100644
--- a/src/gui_photon.c
+++ b/src/gui_photon.c
@@ -1502,7 +1502,8 @@ gui_mch_dialog(
 	char_u	*message,
 	char_u	*buttons,
 	int	default_button,
-	char_u	*textfield)
+	char_u	*textfield,
+	int	ex_cmd)
 {
     char_u	*str;
     char_u	**button_array;
diff --git a/src/gui_w16.c b/src/gui_w16.c
index 68667846b9..5ef8c10312 100644
--- a/src/gui_w16.c
+++ b/src/gui_w16.c
@@ -1098,7 +1098,8 @@ gui_mch_dialog(
     char_u	*message,
     char_u	*buttons,
     int		 dfltbutton,
-    char_u	*textfield)
+    char_u	*textfield,
+    int		ex_cmd)
 {
     FARPROC	dp;
     LPWORD	p, pnumitems;
diff --git a/src/gui_w32.c b/src/gui_w32.c
index f3b9c5bb68..cdb1abb583 100644
--- a/src/gui_w32.c
+++ b/src/gui_w32.c
@@ -3005,7 +3005,8 @@ gui_mch_dialog(
     char_u	*message,
     char_u	*buttons,
     int		 dfltbutton,
-    char_u	*textfield)
+    char_u	*textfield,
+    int		ex_cmd)
 {
     WORD	*p, *pdlgtemplate, *pnumitems;
     DWORD	*dwp;
diff --git a/src/gui_xmdlg.c b/src/gui_xmdlg.c
index 1ae755e822..73142e28c9 100644
--- a/src/gui_xmdlg.c
+++ b/src/gui_xmdlg.c
@@ -688,7 +688,7 @@ do_choice(Widget w,
 	    do_dialog(VIM_ERROR,
 		    (char_u *)_("Error"),
 		    (char_u *)_("Invalid font specification"),
-		    (char_u *)_("&Dismiss"), 1, NULL);
+		    (char_u *)_("&Dismiss"), 1, NULL, FALSE);
 
 	return True;
     }
@@ -807,7 +807,7 @@ ok_callback(Widget w UNUSED,
 	do_dialog(VIM_ERROR,
 		(char_u *)_("Error"),
 		(char_u *)_("Invalid font specification"),
-		(char_u *)_("&Dismiss"), 1, NULL);
+		(char_u *)_("&Dismiss"), 1, NULL, FALSE);
 	XFreeFontNames(name);
     }
     else
diff --git a/src/if_lua.c b/src/if_lua.c
index 3062de8cf1..d3c6a42201 100644
--- a/src/if_lua.c
+++ b/src/if_lua.c
@@ -9,12 +9,11 @@
  * See README.txt for an overview of the Vim source code.
  */
 
-#include <stdio.h>
-#include <string.h>
+#include "vim.h"
+
 #include <lua.h>
 #include <lualib.h>
 #include <lauxlib.h>
-#include "vim.h"
 
 /* Only do the following when the feature is enabled.  Needed for "make
  * depend". */
diff --git a/src/if_ruby.c b/src/if_ruby.c
index 22e308d30e..d5b39cc6c9 100644
--- a/src/if_ruby.c
+++ b/src/if_ruby.c
@@ -11,13 +11,13 @@
  * See README.txt for an overview of the Vim source code.
  */
 
-#include <stdio.h>
-#include <string.h>
-
 #ifdef HAVE_CONFIG_H
 # include "auto/config.h"
 #endif
 
+#include <stdio.h>
+#include <string.h>
+
 #ifdef _WIN32
 # if !defined(DYNAMIC_RUBY_VER) || (DYNAMIC_RUBY_VER < 18)
 #   define NT
diff --git a/src/memline.c b/src/memline.c
index 0beaf54722..410b1161b6 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -4516,7 +4516,7 @@ findswapname(buf, dirp, old_fname)
 				    process_still_running
 					? (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Quit\n&Abort") :
 # endif
-					(char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Delete it\n&Quit\n&Abort"), 1, NULL);
+					(char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Delete it\n&Quit\n&Abort"), 1, NULL, FALSE);
 
 # if defined(UNIX) || defined(__EMX__) || defined(VMS)
 			if (process_still_running && choice >= 4)
diff --git a/src/message.c b/src/message.c
index ee28166843..961ed4b15e 100644
--- a/src/message.c
+++ b/src/message.c
@@ -3319,7 +3319,7 @@ msg_advance(col)
  * different letter.
  */
     int
-do_dialog(type, title, message, buttons, dfltbutton, textfield)
+do_dialog(type, title, message, buttons, dfltbutton, textfield, ex_cmd)
     int		type UNUSED;
     char_u	*title UNUSED;
     char_u	*message;
@@ -3327,6 +3327,8 @@ do_dialog(type, title, message, buttons, dfltbutton, textfield)
     int		dfltbutton;
     char_u	*textfield UNUSED;	/* IObuff for inputdialog(), NULL
 					   otherwise */
+    int		ex_cmd;	    /* when TRUE pressing : accepts default and starts
+			       Ex command */
 {
     int		oldState;
     int		retval = 0;
@@ -3345,7 +3347,7 @@ do_dialog(type, title, message, buttons, dfltbutton, textfield)
     if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL)
     {
 	c = gui_mch_dialog(type, title, message, buttons, dfltbutton,
-								   textfield);
+							   textfield, ex_cmd);
 	/* avoid a hit-enter prompt without clearing the cmdline */
 	need_wait_return = FALSE;
 	emsg_on_display = FALSE;
@@ -3392,6 +3394,13 @@ do_dialog(type, title, message, buttons, dfltbutton, textfield)
 	    default:		/* Could be a hotkey? */
 		if (c < 0)	/* special keys are ignored here */
 		    continue;
+		if (c == ':' && ex_cmd)
+		{
+		    retval = dfltbutton;
+		    ins_char_typebuf(':');
+		    break;
+		}
+
 		/* Make the character lowercase, as chars in "hotkeys" are. */
 		c = MB_TOLOWER(c);
 		retval = 1;
@@ -3665,7 +3674,7 @@ vim_dialog_yesno(type, title, message, dflt)
     if (do_dialog(type,
 		title == NULL ? (char_u *)_("Question") : title,
 		message,
-		(char_u *)_("&Yes\n&No"), dflt, NULL) == 1)
+		(char_u *)_("&Yes\n&No"), dflt, NULL, FALSE) == 1)
 	return VIM_YES;
     return VIM_NO;
 }
@@ -3680,7 +3689,7 @@ vim_dialog_yesnocancel(type, title, message, dflt)
     switch (do_dialog(type,
 		title == NULL ? (char_u *)_("Question") : title,
 		message,
-		(char_u *)_("&Yes\n&No\n&Cancel"), dflt, NULL))
+		(char_u *)_("&Yes\n&No\n&Cancel"), dflt, NULL, FALSE))
     {
 	case 1: return VIM_YES;
 	case 2: return VIM_NO;
@@ -3699,7 +3708,7 @@ vim_dialog_yesnoallcancel(type, title, message, dflt)
 		title == NULL ? (char_u *)"Question" : title,
 		message,
 		(char_u *)_("&Yes\n&No\nSave &All\n&Discard All\n&Cancel"),
-								  dflt, NULL))
+							   dflt, NULL, FALSE))
     {
 	case 1: return VIM_YES;
 	case 2: return VIM_NO;
diff --git a/src/misc1.c b/src/misc1.c
index 87528639f6..a8cf49195a 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -2919,7 +2919,7 @@ unchanged(buf, ff)
     buf_T	*buf;
     int		ff;	/* also reset 'fileformat' */
 {
-    if (buf->b_changed || (ff && file_ff_differs(buf)))
+    if (buf->b_changed || (ff && file_ff_differs(buf, FALSE)))
     {
 	buf->b_changed = 0;
 	ml_setflags(buf);
diff --git a/src/move.c b/src/move.c
index 173063134a..447445b461 100644
--- a/src/move.c
+++ b/src/move.c
@@ -2882,9 +2882,11 @@ do_check_cursorbind()
 	    if (has_mbyte)
 		mb_adjust_cursor();
 # endif
-
 	    redraw_later(VALID);
-	    update_topline();
+
+	    /* Only scroll when 'scrollbind' hasn't done this. */
+	    if (!curwin->w_p_scb)
+		update_topline();
 # ifdef FEAT_WINDOWS
 	    curwin->w_redr_status = TRUE;
 # endif
diff --git a/src/option.c b/src/option.c
index 31ad24a2fd..dfe1330685 100644
--- a/src/option.c
+++ b/src/option.c
@@ -11438,16 +11438,19 @@ save_file_ff(buf)
  * from when editing started (save_file_ff() called).
  * Also when 'endofline' was changed and 'binary' is set, or when 'bomb' was
  * changed and 'binary' is not set.
- * Don't consider a new, empty buffer to be changed.
+ * When "ignore_empty" is true don't consider a new, empty buffer to be
+ * changed.
  */
     int
-file_ff_differs(buf)
+file_ff_differs(buf, ignore_empty)
     buf_T	*buf;
+    int		ignore_empty;
 {
     /* In a buffer that was never loaded the options are not valid. */
     if (buf->b_flags & BF_NEVERLOADED)
 	return FALSE;
-    if ((buf->b_flags & BF_NEW)
+    if (ignore_empty
+	    && (buf->b_flags & BF_NEW)
 	    && buf->b_ml.ml_line_count == 1
 	    && *ml_get_buf(buf, (linenr_T)1, FALSE) == NUL)
 	return FALSE;
diff --git a/src/os_mswin.c b/src/os_mswin.c
index 0b9dfd91e5..8be2d40afc 100644
--- a/src/os_mswin.c
+++ b/src/os_mswin.c
@@ -593,7 +593,7 @@ display_errors()
 				     gui.starting ? (char_u *)_("Message") :
 #endif
 					     (char_u *)_("Error"),
-				     p, (char_u *)_("&Ok"), 1, NULL);
+				     p, (char_u *)_("&Ok"), 1, NULL, FALSE);
 		break;
 	    }
 	ga_clear(&error_ga);
diff --git a/src/proto/gui_athena.pro b/src/proto/gui_athena.pro
index 353c33b075..efc8e40d3c 100644
--- a/src/proto/gui_athena.pro
+++ b/src/proto/gui_athena.pro
@@ -27,5 +27,5 @@ 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 *buttons, int dfltbutton, char_u *textfield));
+int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int dfltbutton, char_u *textfield, int ex_cmd));
 /* vim: set ft=c : */
diff --git a/src/proto/gui_gtk.pro b/src/proto/gui_gtk.pro
index 8b883582ad..2bff89be72 100644
--- a/src/proto/gui_gtk.pro
+++ b/src/proto/gui_gtk.pro
@@ -13,7 +13,7 @@ void gui_mch_create_scrollbar __ARGS((scrollbar_T *sb, int orient));
 void gui_mch_destroy_scrollbar __ARGS((scrollbar_T *sb));
 char_u *gui_mch_browse __ARGS((int saving, char_u *title, char_u *dflt, char_u *ext, char_u *initdir, char_u *filter));
 char_u *gui_mch_browsedir __ARGS((char_u *title, char_u *initdir));
-int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int def_but, char_u *textfield));
+int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int def_but, char_u *textfield, int ex_cmd));
 void gui_mch_show_popupmenu __ARGS((vimmenu_T *menu));
 void gui_make_popup __ARGS((char_u *path_name, int mouse_pos));
 void gui_mch_find_dialog __ARGS((exarg_T *eap));
diff --git a/src/proto/gui_mac.pro b/src/proto/gui_mac.pro
index ba6e2ad42d..2010f978c6 100644
--- a/src/proto/gui_mac.pro
+++ b/src/proto/gui_mac.pro
@@ -81,7 +81,7 @@ int gui_mch_get_mouse_x __ARGS((void));
 int gui_mch_get_mouse_y __ARGS((void));
 void gui_mch_setmouse __ARGS((int x, int y));
 void gui_mch_show_popupmenu __ARGS((vimmenu_T *menu));
-int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int dfltbutton, char_u *textfield));
+int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int dfltbutton, char_u *textfield, int ex_cmd));
 char_u *gui_mch_browse __ARGS((int saving, char_u *title, char_u *dflt, char_u *ext, char_u *initdir, char_u *filter));
 void gui_mch_set_foreground __ARGS((void));
 void gui_mch_show_tabline __ARGS((int showit));
diff --git a/src/proto/gui_motif.pro b/src/proto/gui_motif.pro
index 3e08ec9dbd..e455f0161b 100644
--- a/src/proto/gui_motif.pro
+++ b/src/proto/gui_motif.pro
@@ -29,7 +29,7 @@ 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));
+int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *button_names, int dfltbutton, char_u *textfield, int ex_cmd));
 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));
diff --git a/src/proto/gui_photon.pro b/src/proto/gui_photon.pro
index 6a3ff04b72..0a5041e506 100644
--- a/src/proto/gui_photon.pro
+++ b/src/proto/gui_photon.pro
@@ -8,7 +8,7 @@ void gui_mch_exit __ARGS((int rc));
 void gui_mch_update __ARGS((void));
 int gui_mch_wait_for_chars __ARGS((int wtime));
 char_u *gui_mch_browse __ARGS((int saving, char_u *title, char_u *default_name, char_u *ext, char_u *initdir, char_u *filter));
-int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int default_button, char_u *textfield));
+int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int default_button, char_u *textfield, int ex_cmd));
 int gui_mch_get_winpos __ARGS((int *x, int *y));
 void gui_mch_set_winpos __ARGS((int x, int y));
 void gui_mch_set_shellsize __ARGS((int width, int height, int min_width, int min_height, int base_width, int base_height, int direction));
diff --git a/src/proto/gui_w16.pro b/src/proto/gui_w16.pro
index 0f82c5afe6..c8cb06590d 100644
--- a/src/proto/gui_w16.pro
+++ b/src/proto/gui_w16.pro
@@ -74,6 +74,6 @@ void gui_make_popup __ARGS((char_u *path_name, int mouse_pos));
 void gui_mch_add_menu_item __ARGS((vimmenu_T *menu, int idx));
 void gui_mch_destroy_menu __ARGS((vimmenu_T *menu));
 void gui_mch_menu_grey __ARGS((vimmenu_T *menu, int grey));
-int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int dfltbutton, char_u *textfield));
+int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int dfltbutton, char_u *textfield, int ex_cmd));
 void gui_mch_set_foreground __ARGS((void));
 /* vim: set ft=c : */
diff --git a/src/proto/gui_w32.pro b/src/proto/gui_w32.pro
index 657a4c65b4..49690b03e4 100644
--- a/src/proto/gui_w32.pro
+++ b/src/proto/gui_w32.pro
@@ -81,7 +81,7 @@ void gui_make_tearoff __ARGS((char_u *path_name));
 void gui_mch_add_menu_item __ARGS((vimmenu_T *menu, int idx));
 void gui_mch_destroy_menu __ARGS((vimmenu_T *menu));
 void gui_mch_menu_grey __ARGS((vimmenu_T *menu, int grey));
-int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int dfltbutton, char_u *textfield));
+int gui_mch_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int dfltbutton, char_u *textfield, int ex_cmd));
 void gui_mch_set_foreground __ARGS((void));
 void gui_mch_drawsign __ARGS((int row, int col, int typenr));
 void *gui_mch_register_sign __ARGS((char_u *signfile));
diff --git a/src/proto/message.pro b/src/proto/message.pro
index a752ddcf56..c59a9165f4 100644
--- a/src/proto/message.pro
+++ b/src/proto/message.pro
@@ -64,7 +64,7 @@ void verbose_stop __ARGS((void));
 int verbose_open __ARGS((void));
 void give_warning __ARGS((char_u *message, int hl));
 void msg_advance __ARGS((int col));
-int do_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int dfltbutton, char_u *textfield));
+int do_dialog __ARGS((int type, char_u *title, char_u *message, char_u *buttons, int dfltbutton, char_u *textfield, int ex_cmd));
 void display_confirm_msg __ARGS((void));
 int vim_dialog_yesno __ARGS((int type, char_u *title, char_u *message, int dflt));
 int vim_dialog_yesnocancel __ARGS((int type, char_u *title, char_u *message, int dflt));
diff --git a/src/proto/option.pro b/src/proto/option.pro
index d14c89b285..15cf2b4f85 100644
--- a/src/proto/option.pro
+++ b/src/proto/option.pro
@@ -54,6 +54,6 @@ void change_compatible __ARGS((int on));
 int option_was_set __ARGS((char_u *name));
 int can_bs __ARGS((int what));
 void save_file_ff __ARGS((buf_T *buf));
-int file_ff_differs __ARGS((buf_T *buf));
+int file_ff_differs __ARGS((buf_T *buf, int ignore_empty));
 int check_ff_value __ARGS((char_u *p));
 /* vim: set ft=c : */
diff --git a/src/syntax.c b/src/syntax.c
index a2826e7780..eeea4fe173 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -4537,6 +4537,13 @@ get_syn_options(arg, opt, conceal_char)
 		;
 #endif
 	    }
+#ifdef FEAT_CONCEAL
+	    if (!vim_isprintc_strict(*conceal_char))
+	    {
+		EMSG(_("E844: invalid cchar value"));
+		return NULL;
+	    }
+#endif
 	    arg = skipwhite(arg + 7);
 	}
 	else
diff --git a/src/undo.c b/src/undo.c
index 6a54ff2faf..4dfa7a74d8 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -2884,7 +2884,7 @@ u_add_time(buf, buflen, tt)
 	    (void)strftime((char *)buf, buflen, "%m/%d %H:%M:%S", curtime);
 	else
 	    /* long ago */
-	    (void)strftime((char *)buf, buflen, "%y/%m/%d %H:%M:%S", curtime);
+	    (void)strftime((char *)buf, buflen, "%Y/%m/%d %H:%M:%S", curtime);
     }
     else
 #endif
@@ -3304,7 +3304,7 @@ bufIsChanged(buf)
 #ifdef FEAT_QUICKFIX
 	    !bt_dontwrite(buf) &&
 #endif
-	    (buf->b_changed || file_ff_differs(buf));
+	    (buf->b_changed || file_ff_differs(buf, TRUE));
 }
 
     int
@@ -3314,7 +3314,7 @@ curbufIsChanged()
 #ifdef FEAT_QUICKFIX
 	!bt_dontwrite(curbuf) &&
 #endif
-	(curbuf->b_changed || file_ff_differs(curbuf));
+	(curbuf->b_changed || file_ff_differs(curbuf, TRUE));
 }
 
 #if defined(FEAT_EVAL) || defined(PROTO)
diff --git a/src/version.c b/src/version.c
index 5923e10409..5255f4ea0c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,22 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    107,
+/**/
+    106,
+/**/
+    105,
+/**/
+    104,
+/**/
+    103,
+/**/
+    102,
+/**/
+    101,
+/**/
+    100,
 /**/
     99,
 /**/