I'm looking to modify my keyboard layout such that holding down Shift and pressing a number key will result in a number being printed to the screen instead of the symbol that's on the key.
For example SHIFT+9 would print 9, while 9 will print (.
I'd also like to switch "[" and "]" with "{" and "}" respectively, in the same manner.
I suspect the program setxkbmap will be useful, but I don't know how to use it for this purpose.
Incidentally, there exists a similar question, but it's not exactly what I'm looking for.
I use Linux Mint 16 Mate Edition.