shortcut for indent don't work inside tables

[Tanja012 9]

I use tables to write recipes in.. but I just found that when trying to indent inside the table you have to use the button with the mouse.. if you try using the shortcut Ctrl + M it just skips to the next field like when you use Tab.. so both Tab and Ctrl + M do the same thing.. at least make the Ctrl + M into an indent shortcut.. maybe it's an error?