For the adventurous: eev-kla.el - here:
http://angg.twu.net/eev-current/eev-kla.el.html implements a quick way to "kill a link to the last anchor". The setup is a bit difficult and the instructions in the ";;; Comments:" are hard to follow, ***BUT*** now there's this: (find-kla-test-intro) that is only half-written but that some people might find fun to try. Hint: after understanding the part of the "intro" that exists now, take a look at the docs of eekla2 here, http://angg.twu.net/eev-current/eev-kla.el.html#eekla2 put the cursor in the upper-right window of the demo, and try to make `M-x eekla2' work. =), E.