bug#32470: rcirc-debug: ignore read-only; do not move point if mid-buffer; use %F

[Noam Postavsky]

Ivan Shmakov <ivan@siamics.net> writes:

>  >> +          (terpri (current-buffer) t)
>
>  > This looks like you’re adding an extra newline,
>
>       Only if there’s none already, as the second argument to terpri
>       is non-nil.  Which can happen, for example, should user edit the
>       buffer manually (for whatever reason.)

Oh, right.  I don't use terpri so much, so I'd forgotten about that
handy feature.

>       Please consider the revised patch MIMEd.
>
>       FTR, a ‘side effect’ of this change is that rcirc-debug no
>       longer returns the string appended to buffer.  (Instead, it
>       returns the marker coinciding with point.)  AFAICT, the return
>       value of this function is never used in the Rcirc code.

I think that's fine, please push to master.