🚀 go-pugleaf

In article <1990Jul14.132501.22540@diku.dk> thorinn@skinfaxe.diku.dk (Lars Henrik Mathiesen) writes:

   Since kill-line is defined in simple.el, and uses kill-region, it is
   very simple to make a version which just copies to the kill-ring. Put
   this in your .emacs and bind it to some key (I used M-C-w, because I
   don't think I've ever used append-next-kill).

Would another reasonable approach be to rebind ^K (and any other bindings you
commonly use for erasing-to-kill-ring, like ^W) to a function that first checks
whether the buffer is read-only, then does the appropriate thing (standard
fn if not, else similar fn without erasing if so)?  I'm not a GNU EMACS expert,
but I've done things like this in other (lesser) EMACSes; thus I can't say
offhand exactly how to do it.  Perhaps a fancier way would be to put up a
query like "'Kill' to kill ring without modifying read-only buffer?" and do
the op only if answered yes, and also set a buffer-wide flag indicating that
a yes answer was given so the question need not be answered again.