vim character notation
<BS> Backspace
<Tab> Tab
<CR> Enter
<Enter> Enter
<Return> Enter
<Esc> Escape
<Space> Space
<Up> Up arrow
<Down> Down arrow
<Left> Left arrow
<Right> Right arrow
<F1> - <F12> Function keys 1 to 12
#1, #2..#9,#0 Function keys F1 to F9, F10
<Insert> Insert
<Del> Delete
<Home> Home
<End> End
<PageUp> Page-Up
<PageDown> Page-Down
<bar> the '|' character, which otherwise needs to be escaped '\|'