[RWP] Adding Keyboard shortcuts and Saving KeymapMaybe you already knew this, but I just found it:

[Indigo]

Maybe you already know this, but I just found it.
it's just an alternative way to assign shortcuts to actions; part of 
this dialog is the same as in the actions list, but here yu can edit and 
save the keymap::
snip:
Preferences Keyboard
Main Page > REAPER Documentation > Preferences
Select Options > Preferences (Ctrl+P) > General > Keyboard to access 
REAPER Keyboard Shortcuts Preferences.
These preferences set the Keyboard Shortcuts within REAPER.
?Section - a drop-down menu which allows you to choose between keyboard 
shortcuts from different parts of REAPER.
Keyboard
Shortcut
Click on this column heading to sort the Keyboard Shortcuts list by 
Shortcut.
Description
Click on this column heading to sort the Keyboard Shortcuts list by 
Description.
New
Select New to create a new Keyboard Shortcut.
Enter the name of the key in the Shortcut field, or select Special key 
if you want REAPER to automatically enter the key name into this field. 
You will be prompted to press the key you wish to use.
Select the down arrow in the Action field to associate your key with a 
selected action from the list.
Edit
You must select a keyboard shortcut from the list before you can use the 
Edit function.
Once a shortcut has been selected, select Edit to open the Edit Keyboard 
Shortcut window. REAPER will warn you if the changes you wish to make 
will conflict with another keyboard shortcut.
Find
Select Find to search for the Action that is assigned to a particular key.
If an action is associated with the key you press, the shortcut list 
will jump to that action. If no action has been assigned to the key you 
press, a Shortcut not found error message will be displayed.
Remove
You must select a keyboard shortcut from the list before you can use the 
Remove function. Select Remove to delete the keyboard shortcut from the 
list.
Reset to default
Select Reset to default to restore the Keyboard Shortcut list to the 
default settings.
Load
REAPER Keyboard Shortcut lists can be saved as a .ReaperKeyMap file, 
allowing you to use your settings on any other REAPER installation. 
Select Load to load a Key Map file.
Save
Select Save to save your Keyboard Shortcut list as a .ReaperKeyMap file.
View shortcuts as printable/searchable web page
Selecting this hyperlink will load the Keyboard Shortcut list into your 
default browser as a web page.
end snip.