Tags: patch

Like discussed in bug#12572, bug#15234 and recently in
https://lists.gnu.org/archive/html/emacs-devel/2021-02/msg00139.html
here is a patch that provides an opt-in feature for easy-to-repeat
key sequences:

C-x u u u - undo sequences
C-x o o o - switch windows
C-x right left right left - next/previous buffer switching
M-g n n n p p p - next-error navigation
C-x { { { } } } - window resizing
...