[ESS] cat a "\n" when ess-eval-visibly-p is nil?

[Matthew Landis]

Thanks for this Vitalie, and Feng for suggesting it.  It has also been 
bugging me for a long time.  Pardon my extreme ignorance of the inner 
workings of emacs, but do I put this code in my .emacs or where?

Matt
On 10/20/2011 12:47 PM, Vitalie Spinu wrote:
> Here is how to do it if you are not using ess-tracebug:
>
> (defun inferior-ess-output-filter (proc string)
>    (let ((pbuf (process-buffer proc))
>          (pmark (process-mark proc))
>          (prompt-regexp "^>\\( [>+]\\)*\\( \\)$")
>          (prompt-replace-regexp "^>\\( [>+]\\)*\\( \\)[^>+\n]"))
>      (setq string (replace-regexp-in-string prompt-replace-regexp " \n"
> string nil nil 2))
>      (with-current-buffer pbuf
>        (goto-char pmark)
>        (beginning-of-line)
>        (when (looking-at prompt-regexp)
>          (goto-char pmark)
>          (insert "\n")
>          (set-marker pmark (point)))
>        ))
>    (comint-output-filter proc (inferior-ess-strip-ctrl-g string)))
>
> This is R specific and might interfere with other languages.
>
> Cheers,
> Vitalie.