oct_hex_letters.test

-- Input
(1,1)
Make sure aa bb cc dd ee ff 0x1 increments correctly.
Make sure oo 0o1 increments correctly.
-- Output
(2,16)
Make sure aa bb cc dd ee ff 0x2 increments correctly.
Make sure oo 0o2 increments correctly.
-- Events
<C-a>+<C-a>