gdb/

	* printcmd.c (ALL_DISPLAYS_SAFE): New.
	(map_display_numbers): New.
	(do_delete_display): New.
	(undisplay_command): Use map_display_numbers.
	(do_enable_disable_display): New.
	(enable_disable_display_command): New function.
	(enable_display): Delete.
	(enable_display_command): New.
	(disable_display_command): Reimplement.
	(_initialize_printcmd): Adjust "enable display" command to use
	`enable_display_command' as callback.

	gdb/doc/
	* gdb.texinfo (Auto Display) <undisplay, enable display, disable
	display>: Explain that the commands accept number ranges.

2 files changed, 19 insertions, 2 deletions

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index f0fa2ca..b7f63eb 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-15  Pedro Alves  <pedro@codesourcery.com>
+
+	* gdb.texinfo (Auto Display) <undisplay, enable display, disable
+	display>: Explain that the commands accept number ranges.
+
 2011-03-14  Phil Muldoon  <pmuldoon@redhat.com>
 
 	* gdb.texinfo (Breakpoints In Python): Add description and example
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 01455d1..0eeb38c 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -7647,7 +7647,11 @@ is a common name for the program counter; @pxref{Registers, ,Registers}).
 @kindex undisplay
 @item undisplay @var{dnums}@dots{}
 @itemx delete display @var{dnums}@dots{}
-Remove item numbers @var{dnums} from the list of expressions to display.
+Remove items from the list of expressions to display.  Specify the
+numbers of the displays that you want affected with the command
+argument @var{dnums}.  It can be a single display number, one of the
+numbers shown in the first field of the @samp{info display} display;
+or it could be a range of display numbers, as in @code{2-4}.
 
 @code{undisplay} does not repeat if you press @key{RET} after using it.
 (Otherwise you would just get the error @samp{No display number @dots{}}.)
@@ -7656,12 +7660,20 @@ Remove item numbers @var{dnums} from the list of expressions to display.
 @item disable display @var{dnums}@dots{}
 Disable the display of item numbers @var{dnums}.  A disabled display
 item is not printed automatically, but is not forgotten.  It may be
-enabled again later.
+enabled again later.  Specify the numbers of the displays that you
+want affected with the command argument @var{dnums}.  It can be a
+single display number, one of the numbers shown in the first field of
+the @samp{info display} display; or it could be a range of display
+numbers, as in @code{2-4}.
 
 @kindex enable display
 @item enable display @var{dnums}@dots{}
 Enable display of item numbers @var{dnums}.  It becomes effective once
 again in auto display of its expression, until you specify otherwise.
+Specify the numbers of the displays that you want affected with the
+command argument @var{dnums}.  It can be a single display number, one
+of the numbers shown in the first field of the @samp{info display}
+display; or it could be a range of display numbers, as in @code{2-4}.
 
 @item display
 Display the current values of the expressions on the list, just as is