Ever wondered why your Alt+ key combinations are not working in your terminal? Chances are your terminal is in 7bit mode.

And that is exactly why you can't use Alt-p, Alt-P key combinations of YankStack (they are default mappings)

There is a ticket regarding this, if you want some background.

Hence, you have 3 options:

• remap YankStack key bindings (more details is in the readme)
• start terminal in 8bit mode (if that option available) for example rxvt --meta8
• Ask vim to handle it by adding following piece of code into your .vimrc

set <m-p> = ^[p " rotate yanks forward set <m-P> = ^[P " rotate yanks backward " note that, the ^[ is an Esc char that comes before the 'p' " In most default configurations, ^[p may be typed by pressing first <C-v>, then <M-p> 

A more generic solution will be adding following to your .vimrc so that any other Alt key combinations will work:

" fix meta-keys which generate <Esc>a .. <Esc>z let c='a' while c <= 'z' exec "set <M-".toupper(c).">=\e".c exec "imap \e".c." <M-".toupper(c).">" let c = nr2char(1+char2nr(c)) endw 

Above snippet is obtained from Vim Wikia. For more in-depth understanding of the problem and solution there of read Get Alt key to work in terminal and Fix meta keys that break out of inset mode