How to access workspaces > 12, with keyboard shortcuts?

[Dan White <dwhite olp net>]

Hi,

If this is not the appropriate place to pose this question, please 
direct me to the proper list.

My question is similar to the question posed in bug number 123180:

http://bugzilla.gnome.org/show_bug.cgi?id=123180#add_comment

My goal is to be able to configure a keyboard shortcut for all of my 
workspaces so that I can switch to them. I have been successful in 
configuring keyboard shortcuts for workspaces 1 through 12. I have not 
been able to accomplish this for my other workspaces (13-24).

Within the 'gnome-keybinding-properties' application, I see options for 
'Switch to workspace 1' through 'Switch to workspace 12', which led me 
to the bug listed above.

I have not been able to use gconf-editor to create functioning shortcuts 
as prescribed in the bug resolution.

I'm using the following versions of software:

Debian Unstable
Metacity version (1:)2.22.0(-2)
gconf-editor 2.22.0(-1)
gnome-control-center (1:)2.22.2.1(-2)

I've tried the following:

   Found the 'Workspace Switcher' applet on my gnome bar
      Right clicked on it and selected Preferences
      Selected 'Show all Workspaces in 3 rows'
      Set: 'Number of Workpaces: 24'

   Opened gnome-keybinding-properties (Under my normal user account)
      Found the shortcut for 'Switch to workspace 12' and set it to 
'Alt+F12'
      I verified that I could switch to workspace number 12 with that 
key combination
      I disabled the shortcut for 'Switch to workspace 12'

   Opened gconf-editor (Under my normal user account)
      Drilled down to '/apps/metacity/global_keybindings/'
      Created a key of 
'/apps/metacity/global_keybindings/switch_to_workspace_13' with type 
'String'
      Set it 'Alt+F12', closed gconf-editor and tried the key 
combination - which did not work
      I reopened gconf-editor and set the string for 
'switch_to_workspace_13' to '<Alt>F12'
      I closed gconf-editor and attempted to use the key combination, 
which also did not work

   I restarted my gnome session (ctrl-alt-backspace and relogged in), 
which also did not allow me to switch to workspace 13

Could someone verify if I am configuring this the wrong way, or if this 
is a bug?

Thank You,
- Dan White