core-keys: Make TAB more useful in help buffers
core-keys: Make TAB more useful in help buffers

In help buffers, TAB in emacs state allows you to jump through the
links. This allows for the same behavior in motion state. This is very
useful for jumping to function definitions.

tsonntag/dotemacs,tsonntag/dotemacs,tsonntag/dotemacs,tsonntag/dotemacs